From bed289a9ac39fb9b613e3075d5a062b24c59c956 Mon Sep 17 00:00:00 2001 From: Armin Kuster Date: Fri, 5 Feb 2016 06:05:08 -0800 Subject: libpng: Security fix CVE-2015-8472 libpng: Buffer overflow vulnerabilities in png_get_PLTE/png_set_PLTE functions this patch fixes an incomplete patch in CVE-2015-8126 adjusted dir to match this version. (From OE-Core master rev: f4a805702df691cbd2b80aa5f75d6adfb0f145eb) Signed-off-by: Armin Kuster Signed-off-by: Richard Purdie Signed-off-by: Armin Kuster Signed-off-by: Joshua Lock --- .../libpng/libpng-1.6.16/CVE-2015-8472.patch | 29 ++++++++++++++++++++++ meta/recipes-multimedia/libpng/libpng_1.6.16.bb | 1 + 2 files changed, 30 insertions(+) create mode 100644 meta/recipes-multimedia/libpng/libpng-1.6.16/CVE-2015-8472.patch diff --git a/meta/recipes-multimedia/libpng/libpng-1.6.16/CVE-2015-8472.patch b/meta/recipes-multimedia/libpng/libpng-1.6.16/CVE-2015-8472.patch new file mode 100644 index 0000000000..404f012b02 --- /dev/null +++ b/meta/recipes-multimedia/libpng/libpng-1.6.16/CVE-2015-8472.patch @@ -0,0 +1,29 @@ +From 9f2ad4928e47036cf1ac9b8fe45a491f15be2324 Mon Sep 17 00:00:00 2001 +From: Glenn Randers-Pehrson +Date: Wed, 4 Nov 2015 23:47:42 -0600 +Subject: [PATCH] [libpng16] Fixed new bug with CRC error after reading an + over-length palette. + +Upstream-Status: Backport +CVE: CVE-2015-8472 + +https://github.com/glennrp/libpng/commit/9f2ad4928e47036cf1ac9b8fe45a491f15be2324 +Signed-off-by: Armin Kuster + +--- + pngrutil.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +Index: libpng-1.6.17/pngrutil.c +=================================================================== +--- libpng-1.6.17.orig/pngrutil.c ++++ libpng-1.6.17/pngrutil.c +@@ -973,7 +973,7 @@ png_handle_PLTE(png_structrp png_ptr, pn + if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE) + #endif + { +- png_crc_finish(png_ptr, 0); ++ png_crc_finish(png_ptr, (int) length - num * 3); + } + + #ifndef PNG_READ_OPT_PLTE_SUPPORTED diff --git a/meta/recipes-multimedia/libpng/libpng_1.6.16.bb b/meta/recipes-multimedia/libpng/libpng_1.6.16.bb index 8b9260589e..61939ad00a 100644 --- a/meta/recipes-multimedia/libpng/libpng_1.6.16.bb +++ b/meta/recipes-multimedia/libpng/libpng_1.6.16.bb @@ -15,6 +15,7 @@ SRC_URI += "\ file://CVE-2015-8126_2.patch \ file://CVE-2015-8126_3.patch \ file://CVE-2015-8126_4.patch \ + file://CVE-2015-8472.patch \ " SRC_URI[md5sum] = "23b7286b5d4a86de950fd2ffc5cac742" -- cgit 1.2.3-korg