From: Archana Polampalli <[email protected]> Buffer Overflow vulnerability in Ffmpeg v.n6.1-3-g466799d4f5 allows a local attacker to execute arbitrary code via the config_eq_output function in the libavfilter/asrc_afirsrc.c:495:30 component.
Signed-off-by: Archana Polampalli <[email protected]> --- .../ffmpeg/ffmpeg/CVE-2023-49501.patch | 30 +++++++++++++++++++ .../recipes-multimedia/ffmpeg/ffmpeg_6.1.1.bb | 1 + 2 files changed, 31 insertions(+) create mode 100644 meta/recipes-multimedia/ffmpeg/ffmpeg/CVE-2023-49501.patch diff --git a/meta/recipes-multimedia/ffmpeg/ffmpeg/CVE-2023-49501.patch b/meta/recipes-multimedia/ffmpeg/ffmpeg/CVE-2023-49501.patch new file mode 100644 index 0000000000..80d542952a --- /dev/null +++ b/meta/recipes-multimedia/ffmpeg/ffmpeg/CVE-2023-49501.patch @@ -0,0 +1,30 @@ +From 4adb93dff05dd947878c67784d98c9a4e13b57a7 Mon Sep 17 00:00:00 2001 +From: Paul B Mahol <[email protected]> +Date: Thu, 23 Nov 2023 14:58:35 +0100 +Subject: [PATCH] avfilter/asrc_afirsrc: fix by one smaller allocation of + buffer + +CVE: CVE-2023-49501 + +Upstream-Status: Backport [https://github.com/FFmpeg/FFmpeg/commit/4adb93dff05dd947878c67784d98c9a4e13b57a7] + +Signed-off-by: Archana Polampalli <[email protected]> +--- + libavfilter/asrc_afirsrc.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/libavfilter/asrc_afirsrc.c b/libavfilter/asrc_afirsrc.c +index e2359c1..ea04c35 100644 +--- a/libavfilter/asrc_afirsrc.c ++++ b/libavfilter/asrc_afirsrc.c +@@ -480,7 +480,7 @@ static av_cold int config_eq_output(AVFilterLink *outlink) + if (ret < 0) + return ret; + +- s->magnitude = av_calloc(s->nb_magnitude, sizeof(*s->magnitude)); ++ s->magnitude = av_calloc(s->nb_magnitude + 1, sizeof(*s->magnitude)); + if (!s->magnitude) + return AVERROR(ENOMEM); + memcpy(s->magnitude, eq_presets[s->preset].gains, sizeof(*s->magnitude) * s->nb_magnitude); +-- +2.40.0 diff --git a/meta/recipes-multimedia/ffmpeg/ffmpeg_6.1.1.bb b/meta/recipes-multimedia/ffmpeg/ffmpeg_6.1.1.bb index 13051f4e36..894f47f56b 100644 --- a/meta/recipes-multimedia/ffmpeg/ffmpeg_6.1.1.bb +++ b/meta/recipes-multimedia/ffmpeg/ffmpeg_6.1.1.bb @@ -32,6 +32,7 @@ SRC_URI = " \ file://CVE-2024-31582.patch \ file://CVE-2023-50008.patch \ file://CVE-2024-32230.patch \ + file://CVE-2023-49501.patch \ " SRC_URI[sha256sum] = "8684f4b00f94b85461884c3719382f1261f0d9eb3d59640a1f4ac0873616f968" -- 2.40.0
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