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https://github.com/thead-yocto-mirror/meta-openembedded
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57ae91d291
References
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-13616
SDL (Simple DirectMedia Layer) through 1.2.15 and 2.x through 2.0.9 has a heap-based buffer over-read
in BlitNtoN in video/SDL_blit_N.c when called from SDL_SoftBlit in video/SDL_blit.c.
Upstream-Status: Backport [97fefd0509]
CVE: CVE-2019-13616
Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
28 lines
849 B
Diff
28 lines
849 B
Diff
From 97fefd050976bbbfca9608499f6a7d9fb86e70db Mon Sep 17 00:00:00 2001
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From: Sam Lantinga <slouken@libsdl.org>
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Date: Tue, 30 Jul 2019 11:00:00 -0700
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Subject: [PATCH] Fixed bug 4538 - validate image size when loading BMP files
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---
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src/video/SDL_bmp.c | 5 +++++
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1 file changed, 5 insertions(+)
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diff --git a/src/video/SDL_bmp.c b/src/video/SDL_bmp.c
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index 8eadc5f..5b5e12c 100644
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--- a/src/video/SDL_bmp.c
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+++ b/src/video/SDL_bmp.c
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@@ -143,6 +143,11 @@ SDL_Surface * SDL_LoadBMP_RW (SDL_RWops *src, int freesrc)
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(void) biYPelsPerMeter;
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(void) biClrImportant;
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+ if (biWidth <= 0 || biHeight == 0) {
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+ SDL_SetError("BMP file with bad dimensions (%dx%d)", biWidth, biHeight);
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+ was_error = SDL_TRUE;
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+ goto done;
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+ }
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if (biHeight < 0) {
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topDown = SDL_TRUE;
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biHeight = -biHeight;
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--
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2.25.1
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