diff options
Diffstat (limited to 'meta/recipes-multimedia/libvorbis/libvorbis/CVE-2017-14633.patch')
-rw-r--r-- | meta/recipes-multimedia/libvorbis/libvorbis/CVE-2017-14633.patch | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/meta/recipes-multimedia/libvorbis/libvorbis/CVE-2017-14633.patch b/meta/recipes-multimedia/libvorbis/libvorbis/CVE-2017-14633.patch new file mode 100644 index 0000000000..9c9e688d43 --- /dev/null +++ b/meta/recipes-multimedia/libvorbis/libvorbis/CVE-2017-14633.patch | |||
@@ -0,0 +1,42 @@ | |||
1 | From 07eda55f336e5c44dfc0e4a1e21628faed7255fa Mon Sep 17 00:00:00 2001 | ||
2 | From: =?UTF-8?q?Guido=20G=C3=BCnther?= <agx@sigxcpu.org> | ||
3 | Date: Tue, 31 Oct 2017 18:32:46 +0100 | ||
4 | Subject: [PATCH] CVE-2017-14633: Don't allow for more than 256 channels | ||
5 | |||
6 | Otherwise | ||
7 | |||
8 | for(i=0;i<vi->channels;i++){ | ||
9 | /* the encoder setup assumes that all the modes used by any | ||
10 | specific bitrate tweaking use the same floor */ | ||
11 | int submap=info->chmuxlist[i]; | ||
12 | |||
13 | overreads later in mapping0_forward since chmuxlist is a fixed array of | ||
14 | 256 elements max. | ||
15 | |||
16 | Upstream-Status: Backport | ||
17 | CVE: CVE-2017-14633 | ||
18 | |||
19 | Reference to upstream patch: | ||
20 | https://git.xiph.org/?p=vorbis.git;a=commitdiff;h=667ceb4aab60c1f74060143bb24e5f427b3cce5f | ||
21 | |||
22 | Signed-off-by: Tanu Kaskinen <tanuk@iki.fi> | ||
23 | --- | ||
24 | lib/info.c | 2 +- | ||
25 | 1 file changed, 1 insertion(+), 1 deletion(-) | ||
26 | |||
27 | diff --git a/lib/info.c b/lib/info.c | ||
28 | index e447a0c..81b7557 100644 | ||
29 | --- a/lib/info.c | ||
30 | +++ b/lib/info.c | ||
31 | @@ -583,7 +583,7 @@ int vorbis_analysis_headerout(vorbis_dsp_state *v, | ||
32 | oggpack_buffer opb; | ||
33 | private_state *b=v->backend_state; | ||
34 | |||
35 | - if(!b||vi->channels<=0){ | ||
36 | + if(!b||vi->channels<=0||vi->channels>256){ | ||
37 | ret=OV_EFAULT; | ||
38 | goto err_out; | ||
39 | } | ||
40 | -- | ||
41 | 2.16.2 | ||
42 | |||