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Fix CVE-2022-38177

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5961.	[security]	Fix memory leak in ECDSA verify processing.
			(CVE-2022-38177) [GL #3487]

Resolves: CVE-2022-38177
This commit is contained in:
Petr Menšík 2022-09-20 12:03:33 +02:00
parent e69de99fb9
commit 55958c1edb
2 changed files with 30 additions and 0 deletions
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27
bind-9.16-CVE-2022-38177.patch Normal file
View File

@ -0,0 +1,27 @@
From df8222fb189708199a185f73543b6e0602c1c72f Mon Sep 17 00:00:00 2001
From: Petr Mensik <pemensik@redhat.com>
Date: Tue, 20 Sep 2022 11:21:45 +0200
Subject: [PATCH 3/4] Fix CVE-2022-38177
5961. [security] Fix memory leak in ECDSA verify processing.
(CVE-2022-38177) [GL #3487]
---
lib/dns/opensslecdsa_link.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lib/dns/opensslecdsa_link.c b/lib/dns/opensslecdsa_link.c
index ce4c8c4..3847896 100644
--- a/lib/dns/opensslecdsa_link.c
+++ b/lib/dns/opensslecdsa_link.c
@@ -228,7 +228,7 @@ opensslecdsa_verify(dst_context_t *dctx, const isc_region_t *sig) {
}
if (sig->length != siglen) {
- return (DST_R_VERIFYFAILURE);
+ DST_RET(DST_R_VERIFYFAILURE);
}
if (!EVP_DigestFinal_ex(evp_md_ctx, digest, &dgstlen)) {
--
2.37.3

3
bind.spec
View File

@ -106,6 +106,7 @@ Patch172:bind-9.16-CVE-2022-0396.patch
Patch173:bind-9.16-CVE-2021-25220.patch
Patch174:bind-9.16-CVE-2021-25220-test.patch
Patch175:bind-9.16-CVE-2022-3080.patch
Patch176:bind-9.16-CVE-2022-38177.patch
%{?systemd_ordering}
Requires: coreutils
@ -410,6 +411,7 @@ in HTML and PDF format.
%patch173 -p1 -b .CVE-2021-25220
%patch174 -p1 -b .CVE-2021-25220-test
%patch175 -p1 -b .CVE-2022-3080
%patch176 -p1 -b .CVE-2022-38177
%if %{with PKCS11}
%patch135 -p1 -b .config-pkcs11
@ -1134,6 +1136,7 @@ fi;
%changelog
* Thu Sep 22 2022 Petr Menšík <pemensik@redhat.com> - 32:9.16.23-5
- Fix possible serve-stale related crash (CVE-2022-3080)
- Fix memory leak in ECDSA verify processing (CVE-2022-38177)
* Thu Jul 14 2022 Petr Menšík <pemensik@redhat.com> - 32:9.16.23-4
- Export bind-doc package (#2104863)