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-rw-r--r--gnu/packages/patches/gd-CVE-2016-6132.patch55
1 files changed, 55 insertions, 0 deletions
diff --git a/gnu/packages/patches/gd-CVE-2016-6132.patch b/gnu/packages/patches/gd-CVE-2016-6132.patch
new file mode 100644
index 0000000000..4c475b71b2
--- /dev/null
+++ b/gnu/packages/patches/gd-CVE-2016-6132.patch
@@ -0,0 +1,55 @@
+Fix CVE-2016-6132 (read out-of-bounds when parsing TGA files).
+
+https://cve.mitre.org/cgi-bin/cvename.cgi?name=2016-6132
+
+Copied from upstream commit:
+https://github.com/libgd/libgd/commit/ead349e99868303b37f5e6e9d9d680c9dc71ff8d
+
+From ead349e99868303b37f5e6e9d9d680c9dc71ff8d Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Ond=C5=99ej=20Sur=C3=BD?= <ondrej@sury.org>
+Date: Tue, 12 Jul 2016 11:24:09 +0200
+Subject: [PATCH] Fix #247, A read out-of-bands was found in the parsing of TGA
+ files (CVE-2016-6132)
+
+---
+ src/gd_tga.c | 13 +++++++++++--
+ 1 file changed, 11 insertions(+), 2 deletions(-)
+
+diff --git a/src/gd_tga.c b/src/gd_tga.c
+index ef20f86..20fe2d2 100644
+--- a/src/gd_tga.c
++++ b/src/gd_tga.c
+@@ -237,7 +237,11 @@ int read_image_tga( gdIOCtx *ctx, oTga *tga )
+ return -1;
+ }
+
+- gdGetBuf(conversion_buffer, image_block_size, ctx);
++ if (gdGetBuf(conversion_buffer, image_block_size, ctx) != image_block_size) {
++ gd_error("gd-tga: premature end of image data\n");
++ gdFree(conversion_buffer);
++ return -1;
++ }
+
+ while (buffer_caret < image_block_size) {
+ tga->bitmap[buffer_caret] = (int) conversion_buffer[buffer_caret];
+@@ -257,11 +261,16 @@ int read_image_tga( gdIOCtx *ctx, oTga *tga )
+ }
+ conversion_buffer = (unsigned char *) gdMalloc(image_block_size * sizeof(unsigned char));
+ if (conversion_buffer == NULL) {
++ gd_error("gd-tga: premature end of image data\n");
+ gdFree( decompression_buffer );
+ return -1;
+ }
+
+- gdGetBuf( conversion_buffer, image_block_size, ctx );
++ if (gdGetBuf(conversion_buffer, image_block_size, ctx) != image_block_size) {
++ gdFree(conversion_buffer);
++ gdFree(decompression_buffer);
++ return -1;
++ }
+
+ buffer_caret = 0;
+
+--
+2.9.1
+