diff --git a/SOURCES/nss-3.67-cve-2021-43527-test.patch b/SOURCES/nss-3.67-cve-2021-43527-test.patch new file mode 100644 index 0000000..51cb8e0 --- /dev/null +++ b/SOURCES/nss-3.67-cve-2021-43527-test.patch @@ -0,0 +1,325 @@ +diff --git a/tests/cert/Leaf-bogus-dsa.crt b/tests/cert/Leaf-bogus-dsa.crt +new file mode 100644 +--- /dev/null ++++ b/tests/cert/Leaf-bogus-dsa.crt +@@ -0,0 +1,143 @@ ++-----BEGIN CERTIFICATE----- ++MIIaZzCCCkWgAwIBAgIBATALBgcqhkjOOAQDBQAwMTEvMC0GA1UEAxMmZGVjb2Rl ++RUNvckRTQVNpZ25hdHVyZS10ZXN0Q2FzZS90YXZpc28wHhcNMjEwMTAxMDAwMDAw ++WhcNNDEwMTAxMDAwMDAwWjAxMS8wLQYDVQQDEyZkZWNvZGVFQ29yRFNBU2lnbmF0 ++dXJlLXRlc3RDYXNlL3RhdmlzbzCCCaYwggkaBgcqhkjOOAQBMIIJDQKBgQCqqqqq ++qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq ++qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq ++qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqgKCCAEAu7u7u7u7u7u7u7u7u7u7 ++u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7 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++//////////////////////////////////////////////////////////////// ++//////////////////////////////////////////////////////////////// ++//////////////////////////////////////////////////////////////// ++//////////////////////////////////////////////////////////////// ++//////////////////////////////////////////////////////////////// ++//////////////////////////////////////////////////////////////// ++//////////////////////////////////////////////////////////////// ++//////////////////////////////////////////////////////////////// ++//////////////////////////////////////////////////////////////// ++//////////////////////////////////////////////////////////////// ++//////////////////////////////////////////////////////////////// ++//////////////////////////////////////////////////////////////// ++//////////////////////////////////////////////////////////////// ++//////////////////////////////////////////////////////////////// ++//////////////////////////////////////////////////////////////// ++//////////////////////////////////////////////////////////////// ++//////////////////////////////////////////////////////////////// ++//////////////////////////////////////////////////////////////// ++//////////////////////////////////////////////////////////////// ++//////////////////////////////////////////////////////////////// ++//////////////////////////////////////////////////////////////// ++//////////////////////////////////////////////////////////////// ++//////////////////////////////////////////////////////////////// ++//////////////////////////////////////////////////////////////// ++//////////////////////////////////////////////////////////////// ++//////////////////////////////////////////////////////////////// ++//////////////////////////////////////////////////////////////// ++//////////////////////////////////////////////////////////////// ++//////////////////////////////////////////////////////////////// ++//////////////////////////////////////////////////////////////// ++//////////////////////////////////////////////////////////////// ++//////////////////////////////////////////////////////////////// ++//////////////////////////////////////////////////////////////// ++//////////////////////////////////////////////////////////////// ++/////////////////////////////////////////////////////////w== ++-----END CERTIFICATE----- +diff --git a/tests/cert/Leaf-bogus-rsa-pss.crt b/tests/cert/Leaf-bogus-rsa-pss.crt +new file mode 100644 +--- /dev/null ++++ b/tests/cert/Leaf-bogus-rsa-pss.crt +@@ -0,0 +1,126 @@ ++-----BEGIN CERTIFICATE----- ++MIIXODCCC/WgAwIBAgIBAjApBgkqhkiG9w0BAQowHKACMAChETAPBQAwCwYJYIZI ++AWUDBAIBogMCASAwNzEgMB4GCSqGSIb3DQEJARYRdGF2aXNvQGdvb2dsZS5jb20x ++EzARBgNVBAMTCmJ1ZzE3Mzc0NzAwHhcNMjAwMTAxMDAwMDAwWhcNNDAwMTAxMDAw ++MDAwWjA3MSAwHgYJKoZIhvcNAQkBFhF0YXZpc29AZ29vZ2xlLmNvbTETMBEGA1UE ++AxMKYnVnMTczNzQ3MDCCCywwDQYJKoZIhvcNAQEBBQADggsZADCCCxQCggsLAMRE ++RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERE ++RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERE ++RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERE ++RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERE ++RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERE ++RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERE ++RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERE ++RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERE ++RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERE ++RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERE ++RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERE ++RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERE ++RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERE ++RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERE ++RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERE ++RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERE ++RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERE ++RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERE ++RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERE ++RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERE ++RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERE ++RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERE ++RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERE ++RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERE ++RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERE ++RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERE ++RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERE ++RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERE ++RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERE ++RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERE ++RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERE ++RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERE ++RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERE ++RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERE ++RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERE ++RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERE ++RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERE ++RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERE ++RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERE ++RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERE ++RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERE ++RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERE ++RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERE ++RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERE ++RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERE ++RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERE ++RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERE ++RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERE ++RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERE ++RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERE ++RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERE ++RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERE ++RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERE ++RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERE ++RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERE ++RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERE ++RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERE ++RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERE ++RERERERERERERERERERERERERERERERERERERERERERERERERERERQIDAQABMC4G ++CSqGSIb3DQEBCjAhoRowGAYJKoZIhvcNAQEIMAsGCSqGSIb3DQEBCqIDAgEgA4IL ++CwAAxVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV ++VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV ++VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV ++VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV ++VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV ++VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV ++VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV ++VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV ++VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV ++VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV ++VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV ++VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV ++VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV ++VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV ++VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV ++VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV ++VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV ++VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV ++VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV ++VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV ++VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV ++VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV ++VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV ++VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV ++VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV ++VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV ++VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV ++VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV ++VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV ++VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV ++VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV ++VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV ++VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV ++VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV ++VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV ++VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV ++VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV ++VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV ++VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV ++VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV ++VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV ++VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV ++VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV ++VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV ++VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV ++VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV ++VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV ++VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV ++VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV ++VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV ++VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV ++VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV ++VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV ++VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV ++VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV ++VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV ++VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV ++VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV ++VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVU= ++-----END CERTIFICATE----- +diff --git a/tests/cert/cert.sh b/tests/cert/cert.sh +--- a/tests/cert/cert.sh ++++ b/tests/cert/cert.sh +@@ -114,16 +114,28 @@ certu() + cert_log "ERROR: ${CU_ACTION} failed $RET" + else + html_passed "${CU_ACTION}" + fi + + return $RET + } + ++cert_test_vfy() ++{ ++ echo "$SCRIPTNAME: Verify large rsa pss signature --------------" ++ echo " vfychain -a Leaf-bogus-dsa.crt" ++ vfychain -a ${QADIR}/cert/Leaf-bogus-dsa.crt ++ html_msg $? 1 "Verify large dsa signature" ++ echo "$SCRIPTNAME: Verify large rsa pss signature --------------" ++ echo " vfychain -a Leaf-bogus-rsa-pss.crt" ++ vfychain -a ${QADIR}/cert/Leaf-bogus-rsa-pss.crt ++ html_msg $? 1 "Verify large rsa pss signature" ++} ++ + ################################ crlu ################################# + # local shell function to call crlutil, also: writes action and options to + # stdout, sets variable RET and writes results to the html file results + ######################################################################## + crlu() + { + echo "$SCRIPTNAME: ${CU_ACTION} --------------------------" + +@@ -2640,11 +2652,13 @@ if [ -z "$NSS_TEST_DISABLE_CRL" ] ; then + else + echo "$SCRIPTNAME: Skipping CRL Tests" + fi + + if [ -n "$DO_DIST_ST" -a "$DO_DIST_ST" = "TRUE" ] ; then + cert_stresscerts + fi + ++cert_test_vfy ++ + cert_iopr_setup + + cert_cleanup diff --git a/SOURCES/nss-3.67-cve-2021-43527.patch b/SOURCES/nss-3.67-cve-2021-43527.patch new file mode 100644 index 0000000..8fc81d3 --- /dev/null +++ b/SOURCES/nss-3.67-cve-2021-43527.patch @@ -0,0 +1,279 @@ +diff --git a/lib/cryptohi/secvfy.c b/lib/cryptohi/secvfy.c +--- a/lib/cryptohi/secvfy.c ++++ b/lib/cryptohi/secvfy.c +@@ -164,6 +164,37 @@ + PR_FALSE /*XXX: unsafeAllowMissingParameters*/); + } + ++static unsigned int ++checkedSignatureLen(const SECKEYPublicKey *pubk) ++{ ++ unsigned int sigLen = SECKEY_SignatureLen(pubk); ++ if (sigLen == 0) { ++ /* Error set by SECKEY_SignatureLen */ ++ return sigLen; ++ } ++ unsigned int maxSigLen; ++ switch (pubk->keyType) { ++ case rsaKey: ++ case rsaPssKey: ++ maxSigLen = (RSA_MAX_MODULUS_BITS + 7) / 8; ++ break; ++ case dsaKey: ++ maxSigLen = DSA_MAX_SIGNATURE_LEN; ++ break; ++ case ecKey: ++ maxSigLen = 2 * MAX_ECKEY_LEN; ++ break; ++ default: ++ PORT_SetError(SEC_ERROR_UNSUPPORTED_KEYALG); ++ return 0; ++ } ++ if (sigLen > maxSigLen) { ++ PORT_SetError(SEC_ERROR_INVALID_KEY); ++ return 0; ++ } ++ return sigLen; ++} ++ + /* + * decode the ECDSA or DSA signature from it's DER wrapping. + * The unwrapped/raw signature is placed in the buffer pointed +@@ -174,38 +205,38 @@ + unsigned int len) + { + SECItem *dsasig = NULL; /* also used for ECDSA */ +- SECStatus rv = SECSuccess; + +- if ((algid != SEC_OID_ANSIX9_DSA_SIGNATURE) && +- (algid != SEC_OID_ANSIX962_EC_PUBLIC_KEY)) { +- if (sig->len != len) { +- PORT_SetError(SEC_ERROR_BAD_DER); +- return SECFailure; ++ /* Safety: Ensure algId is as expected and that signature size is within maxmimums */ ++ if (algid == SEC_OID_ANSIX9_DSA_SIGNATURE) { ++ if (len > DSA_MAX_SIGNATURE_LEN) { ++ goto loser; + } +- +- PORT_Memcpy(dsig, sig->data, sig->len); +- return SECSuccess; ++ } else if (algid == SEC_OID_ANSIX962_EC_PUBLIC_KEY) { ++ if (len > MAX_ECKEY_LEN * 2) { ++ goto loser; ++ } ++ } else { ++ goto loser; + } + +- if (algid == SEC_OID_ANSIX962_EC_PUBLIC_KEY) { +- if (len > MAX_ECKEY_LEN * 2) { +- PORT_SetError(SEC_ERROR_BAD_DER); +- return SECFailure; +- } ++ /* Decode and pad to length */ ++ dsasig = DSAU_DecodeDerSigToLen((SECItem *)sig, len); ++ if (dsasig == NULL) { ++ goto loser; + } +- dsasig = DSAU_DecodeDerSigToLen((SECItem *)sig, len); +- +- if ((dsasig == NULL) || (dsasig->len != len)) { +- rv = SECFailure; +- } else { +- PORT_Memcpy(dsig, dsasig->data, dsasig->len); ++ if (dsasig->len != len) { ++ SECITEM_FreeItem(dsasig, PR_TRUE); ++ goto loser; + } + +- if (dsasig != NULL) +- SECITEM_FreeItem(dsasig, PR_TRUE); +- if (rv == SECFailure) +- PORT_SetError(SEC_ERROR_BAD_DER); +- return rv; ++ PORT_Memcpy(dsig, dsasig->data, len); ++ SECITEM_FreeItem(dsasig, PR_TRUE); ++ ++ return SECSuccess; ++ ++loser: ++ PORT_SetError(SEC_ERROR_BAD_DER); ++ return SECFailure; + } + + const SEC_ASN1Template hashParameterTemplate[] = +@@ -281,7 +312,7 @@ + sec_DecodeSigAlg(const SECKEYPublicKey *key, SECOidTag sigAlg, + const SECItem *param, SECOidTag *encalgp, SECOidTag *hashalg) + { +- int len; ++ unsigned int len; + PLArenaPool *arena; + SECStatus rv; + SECItem oid; +@@ -466,48 +497,52 @@ + cx->pkcs1RSADigestInfo = NULL; + rv = SECSuccess; + if (sig) { +- switch (type) { +- case rsaKey: +- rv = recoverPKCS1DigestInfo(hashAlg, &cx->hashAlg, +- &cx->pkcs1RSADigestInfo, +- &cx->pkcs1RSADigestInfoLen, +- cx->key, +- sig, wincx); +- break; +- case rsaPssKey: +- sigLen = SECKEY_SignatureLen(key); +- if (sigLen == 0) { +- /* error set by SECKEY_SignatureLen */ +- rv = SECFailure; ++ rv = SECFailure; ++ if (type == rsaKey) { ++ rv = recoverPKCS1DigestInfo(hashAlg, &cx->hashAlg, ++ &cx->pkcs1RSADigestInfo, ++ &cx->pkcs1RSADigestInfoLen, ++ cx->key, ++ sig, wincx); ++ } else { ++ sigLen = checkedSignatureLen(key); ++ /* Check signature length is within limits */ ++ if (sigLen == 0) { ++ /* error set by checkedSignatureLen */ ++ rv = SECFailure; ++ goto loser; ++ } ++ if (sigLen > sizeof(cx->u)) { ++ PORT_SetError(SEC_ERROR_BAD_SIGNATURE); ++ rv = SECFailure; ++ goto loser; ++ } ++ switch (type) { ++ case rsaPssKey: ++ if (sig->len != sigLen) { ++ PORT_SetError(SEC_ERROR_BAD_SIGNATURE); ++ rv = SECFailure; ++ goto loser; ++ } ++ PORT_Memcpy(cx->u.buffer, sig->data, sigLen); ++ rv = SECSuccess; + break; +- } +- if (sig->len != sigLen) { +- PORT_SetError(SEC_ERROR_BAD_SIGNATURE); ++ case ecKey: ++ case dsaKey: ++ /* decodeECorDSASignature will check sigLen == sig->len after padding */ ++ rv = decodeECorDSASignature(encAlg, sig, cx->u.buffer, sigLen); ++ break; ++ default: ++ /* Unreachable */ + rv = SECFailure; +- break; +- } +- PORT_Memcpy(cx->u.buffer, sig->data, sigLen); +- break; +- case dsaKey: +- case ecKey: +- sigLen = SECKEY_SignatureLen(key); +- if (sigLen == 0) { +- /* error set by SECKEY_SignatureLen */ +- rv = SECFailure; +- break; +- } +- rv = decodeECorDSASignature(encAlg, sig, cx->u.buffer, sigLen); +- break; +- default: +- rv = SECFailure; +- PORT_SetError(SEC_ERROR_UNSUPPORTED_KEYALG); +- break; ++ goto loser; ++ } ++ } ++ if (rv != SECSuccess) { ++ goto loser; + } + } + +- if (rv) +- goto loser; +- + /* check hash alg again, RSA may have changed it.*/ + if (HASH_GetHashTypeByOidTag(cx->hashAlg) == HASH_AlgNULL) { + /* error set by HASH_GetHashTypeByOidTag */ +@@ -650,11 +685,16 @@ + switch (cx->key->keyType) { + case ecKey: + case dsaKey: +- dsasig.data = cx->u.buffer; +- dsasig.len = SECKEY_SignatureLen(cx->key); ++ dsasig.len = checkedSignatureLen(cx->key); + if (dsasig.len == 0) { + return SECFailure; + } ++ if (dsasig.len > sizeof(cx->u)) { ++ PORT_SetError(SEC_ERROR_BAD_SIGNATURE); ++ return SECFailure; ++ } ++ dsasig.data = cx->u.buffer; ++ + if (sig) { + rv = decodeECorDSASignature(cx->encAlg, sig, dsasig.data, + dsasig.len); +@@ -686,8 +726,13 @@ + } + + rsasig.data = cx->u.buffer; +- rsasig.len = SECKEY_SignatureLen(cx->key); ++ rsasig.len = checkedSignatureLen(cx->key); + if (rsasig.len == 0) { ++ /* Error set by checkedSignatureLen */ ++ return SECFailure; ++ } ++ if (rsasig.len > sizeof(cx->u)) { ++ PORT_SetError(SEC_ERROR_BAD_SIGNATURE); + return SECFailure; + } + if (sig) { +@@ -749,7 +794,6 @@ + SECStatus rv; + VFYContext *cx; + SECItem dsasig; /* also used for ECDSA */ +- + rv = SECFailure; + + cx = vfy_CreateContext(key, sig, encAlg, hashAlg, NULL, wincx); +@@ -757,19 +801,25 @@ + switch (key->keyType) { + case rsaKey: + rv = verifyPKCS1DigestInfo(cx, digest); ++ /* Error (if any) set by verifyPKCS1DigestInfo */ + break; +- case dsaKey: + case ecKey: ++ case dsaKey: + dsasig.data = cx->u.buffer; +- dsasig.len = SECKEY_SignatureLen(cx->key); ++ dsasig.len = checkedSignatureLen(cx->key); + if (dsasig.len == 0) { ++ /* Error set by checkedSignatureLen */ ++ rv = SECFailure; + break; + } +- if (PK11_Verify(cx->key, &dsasig, (SECItem *)digest, cx->wincx) != +- SECSuccess) { ++ if (dsasig.len > sizeof(cx->u)) { + PORT_SetError(SEC_ERROR_BAD_SIGNATURE); +- } else { +- rv = SECSuccess; ++ rv = SECFailure; ++ break; ++ } ++ rv = PK11_Verify(cx->key, &dsasig, (SECItem *)digest, cx->wincx); ++ if (rv != SECSuccess) { ++ PORT_SetError(SEC_ERROR_BAD_SIGNATURE); + } + break; + default: + diff --git a/SPECS/nss.spec b/SPECS/nss.spec index f4b6b5d..3f000bc 100644 --- a/SPECS/nss.spec +++ b/SPECS/nss.spec @@ -47,7 +47,7 @@ rpm.define(string.format("nss_release_tag NSS_%s_RTM", Summary: Network Security Services Name: nss Version: %{nss_version} -Release: 6%{?dist} +Release: 7%{?dist} License: MPLv2.0 URL: http://www.mozilla.org/projects/security/pki/nss/ Requires: nspr >= %{nspr_version} @@ -157,6 +157,10 @@ Patch233: nss-3.67-fix-coverity-issues.patch Patch234: nss-3.67-fix-sdb-timeout.patch # no upstream bug yet Patch235: nss-3.67-fix-ssl-alerts.patch +Patch300: nss-3.67-cve-2021-43527.patch +Patch301: nss-3.67-cve-2021-43527-test.patch + + %description Network Security Services (NSS) is a set of libraries designed to @@ -928,6 +932,9 @@ update-crypto-policies --no-reload &> /dev/null || : %changelog +* Thu Nov 18 2021 Bob Relyea - 3.67.0-7 +- Fix CVE 2021 43527 + * Tue Jul 6 2021 Bob Relyea - 3.67.0-6 - Fix ssl alert issue