diff options
Diffstat (limited to 'gnu/packages/patches/gd-CVE-2016-3074.patch')
| -rw-r--r-- | gnu/packages/patches/gd-CVE-2016-3074.patch | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/gnu/packages/patches/gd-CVE-2016-3074.patch b/gnu/packages/patches/gd-CVE-2016-3074.patch new file mode 100644 index 0000000000..a90c51d77b --- /dev/null +++ b/gnu/packages/patches/gd-CVE-2016-3074.patch @@ -0,0 +1,36 @@ +Adapted from upstream commit 2bb97f407c1145c850416a3bfbcc8cf124e68a19 +(gd2: handle corrupt images better (CVE-2016-3074)). + +This patch omits the upstream changes to '.gitignore', and the test +added in files 'tests/Makefile.am', 'tests/gd2/gd2_read_corrupt.c', and +'tests/gd2/invalid_neg_size.gd2'. + +We omit the test because its input data, +'tests/gd2/invalid_neg_size.gd2', is provided as a binary Git diff, +which is not supported by `patch`. + +https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-3074 +https://github.com/libgd/libgd/commit/2bb97f407c1145c850416a3bfbcc8cf124e68a19 +--- + .gitignore | 1 + + src/gd_gd2.c | 2 ++ + tests/Makefile.am | 3 ++- + tests/gd2/gd2_read_corrupt.c | 25 +++++++++++++++++++++++++ + tests/gd2/invalid_neg_size.gd2 | Bin 0 -> 1676 bytes + 5 files changed, 30 insertions(+), 1 deletion(-) + create mode 100644 tests/gd2/gd2_read_corrupt.c + create mode 100644 tests/gd2/invalid_neg_size.gd2 + +diff --git a/src/gd_gd2.c b/src/gd_gd2.c +index 6f28461..a50b33d 100644 +--- a/src/gd_gd2.c ++++ b/src/gd_gd2.c +@@ -165,6 +165,8 @@ _gd2GetHeader (gdIOCtxPtr in, int *sx, int *sy, + if (gdGetInt (&cidx[i].size, in) != 1) { + goto fail2; + }; ++ if (cidx[i].offset < 0 || cidx[i].size < 0) ++ goto fail2; + }; + *chunkIdx = cidx; + }; |