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Fix a compiler error with gcc 8, mozbz#1434070

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This commit is contained in:
Kai Engert 2018-01-29 22:58:11 +01:00
parent ccf407af47
commit 0a70bce56d
2 changed files with 62 additions and 1 deletions
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7
nss.spec
View File

@ -9,7 +9,7 @@ Name: nss
Version: 3.35.0
# for Rawhide, please always use release >= 2
# for Fedora release branches, please use release < 2 (1.0, 1.1, ...)
Release: 3%{?dist}
Release: 4%{?dist}
License: MPLv2.0
URL: http://www.mozilla.org/projects/security/pki/nss/
Group: System Environment/Libraries
@ -91,6 +91,7 @@ Patch58: rhbz1185708-enable-ecc-3des-ciphers-by-default.patch
# Upstream: https://bugzilla.mozilla.org/show_bug.cgi?id=1279520
Patch59: nss-check-policy-file.patch
Patch62: nss-skip-util-gtest.patch
Patch63: sign-sprintf-check.patch
%description
Network Security Services (NSS) is a set of libraries designed to
@ -174,6 +175,7 @@ low level services.
pushd nss
%patch59 -p1 -b .check_policy_file
%patch62 -p1 -b .skip_util_gtest
%patch63 -p2 -b .sign-sprintf-check
popd
#########################################################
@ -749,6 +751,9 @@ done
%changelog
* Mon Jan 29 2018 Kai Engert <kaie@redhat.com> - 3.35.0-4
- Fix a compiler error with gcc 8, mozbz#1434070
* Mon Jan 29 2018 Kai Engert <kaie@redhat.com> - 3.35.0-3
- Stop pulling in nss-pem automatically, packages that need it should
depend on it, rhbz#1539401

56
sign-sprintf-check.patch Normal file
View File

@ -0,0 +1,56 @@
diff -up ./nss/cmd/signtool/sign.c.org ./nss/cmd/signtool/sign.c
--- ./nss/cmd/signtool/sign.c.org 2018-01-18 15:19:59.000000000 +0100
+++ ./nss/cmd/signtool/sign.c 2018-01-29 22:46:32.599450048 +0100
@@ -83,7 +83,12 @@ SignArchive(char *tree, char *keyName, c
/* rsa/dsa to zip */
sprintf(tempfn, "META-INF/%s.%s", base, (keyType == dsaKey ? "dsa"
: "rsa"));
- sprintf(fullfn, "%s/%s", tree, tempfn);
+ if (snprintf(fullfn, FNSIZE, "%s/%s", tree, tempfn) >= FNSIZE) {
+ PR_fprintf(errorFD, "buffer overflow, the tree \"%s\" was NOT SUCCESSFULLY SIGNED\n",
+ tree);
+ errorCount++;
+ exit(ERRX);
+ }
JzipAdd(fullfn, tempfn, zipfile, compression_level);
/* Loop through all files & subdirectories, add to archive */
@@ -93,12 +98,22 @@ SignArchive(char *tree, char *keyName, c
}
/* mf to zip */
strcpy(tempfn, "META-INF/manifest.mf");
- sprintf(fullfn, "%s/%s", tree, tempfn);
+ if (snprintf(fullfn, FNSIZE, "%s/%s", tree, tempfn) >= FNSIZE) {
+ PR_fprintf(errorFD, "buffer overflow, the tree \"%s\" was NOT SUCCESSFULLY SIGNED\n",
+ tree);
+ errorCount++;
+ exit(ERRX);
+ }
JzipAdd(fullfn, tempfn, zipfile, compression_level);
/* sf to zip */
sprintf(tempfn, "META-INF/%s.sf", base);
- sprintf(fullfn, "%s/%s", tree, tempfn);
+ if (snprintf(fullfn, FNSIZE, "%s/%s", tree, tempfn) >= FNSIZE) {
+ PR_fprintf(errorFD, "buffer overflow, the tree \"%s\" was NOT SUCCESSFULLY SIGNED\n",
+ tree);
+ errorCount++;
+ exit(ERRX);
+ }
JzipAdd(fullfn, tempfn, zipfile, compression_level);
/* Add the rsa/dsa file to the zip archive normally */
@@ -106,7 +121,12 @@ SignArchive(char *tree, char *keyName, c
/* rsa/dsa to zip */
sprintf(tempfn, "META-INF/%s.%s", base, (keyType == dsaKey ? "dsa"
: "rsa"));
- sprintf(fullfn, "%s/%s", tree, tempfn);
+ if (snprintf(fullfn, FNSIZE, "%s/%s", tree, tempfn) >= FNSIZE) {
+ PR_fprintf(errorFD, "buffer overflow, the tree \"%s\" was NOT SUCCESSFULLY SIGNED\n",
+ tree);
+ errorCount++;
+ exit(ERRX);
+ }
JzipAdd(fullfn, tempfn, zipfile, compression_level);
}