diff options
Diffstat (limited to 'gnu/packages/patches/zziplib-CVE-2018-16548.patch')
| -rw-r--r-- | gnu/packages/patches/zziplib-CVE-2018-16548.patch | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/gnu/packages/patches/zziplib-CVE-2018-16548.patch b/gnu/packages/patches/zziplib-CVE-2018-16548.patch new file mode 100644 index 0000000000..a17c6a9768 --- /dev/null +++ b/gnu/packages/patches/zziplib-CVE-2018-16548.patch @@ -0,0 +1,49 @@ +The following 3 patches applied to 0.13.69 in this order, combined: +https://github.com/gdraheim/zziplib/commit/9411bde3e4a70a81ff3ffd256b71927b2d90dcbb.patch +https://github.com/gdraheim/zziplib/commit/d2e5d5c53212e54a97ad64b793a4389193fec687.patch +https://github.com/gdraheim/zziplib/commit/0e1dadb05c1473b9df2d7b8f298dab801778ef99.patch + +diff --git a/test/test.zip b/test/test.zip +index 2c992ea..952d475 100644 +Binary files a/test/test.zip and b/test/test.zip differ +diff --git a/zzip/zip.c b/zzip/zip.c +index 14e2e06..f97a40a 100644 +--- a/zzip/zip.c ++++ b/zzip/zip.c +@@ -472,9 +472,15 @@ __zzip_parse_root_directory(int fd, + } else + { + if (io->fd.seeks(fd, zz_rootseek + zz_offset, SEEK_SET) < 0) ++ { ++ free(hdr0); + return ZZIP_DIR_SEEK; ++ } + if (io->fd.read(fd, &dirent, sizeof(dirent)) < __sizeof(dirent)) ++ { ++ free(hdr0); + return ZZIP_DIR_READ; ++ } + d = &dirent; + } + +@@ -574,11 +580,18 @@ __zzip_parse_root_directory(int fd, + + if (hdr_return) + *hdr_return = hdr0; ++ else ++ { ++ /* If it is not assigned to *hdr_return, it will never be free()'d */ ++ free(hdr0); ++ } + } /* else zero (sane) entries */ ++ else ++ free(hdr0); + # ifndef ZZIP_ALLOW_MODULO_ENTRIES +- return (entries != zz_entries ? ZZIP_CORRUPTED : 0); ++ return (entries != zz_entries) ? ZZIP_CORRUPTED : 0; + # else +- return ((entries & (unsigned)0xFFFF) != zz_entries ? ZZIP_CORRUPTED : 0); ++ return ((entries & (unsigned)0xFFFF) != zz_entries) ? ZZIP_CORRUPTED : 0; + # endif + } + |