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[kirkstone,2/5] ffmpeg: CVE-2025-0518

Message ID 20250214104929.3039901-2-archana.polampalli@windriver.com
State Under Review
Delegated to: Steve Sakoman
Headers show
Series [kirkstone,1/5] gnutls: fix CVE-2024-12243 | expand

Commit Message

Polampalli, Archana Feb. 14, 2025, 10:49 a.m. UTC 
From: Archana Polampalli <archana.polampalli@windriver.com>

Unchecked Return Value, Out-of-bounds Read vulnerability in FFmpeg allows Read
Sensitive Constants Within an Executable. This vulnerability is associated with
program files https://github.Com/FFmpeg/FFmpeg/blob/master/libavfilter/af_pan.C .
This issue affects FFmpeg: 7.1. Issue was
fixed:  https://github.com/FFmpeg/FFmpeg/commit/b5b6391d64807578ab872dc58fb8aa621dcfc38a
https://github.com/FFmpeg/FFmpeg/commit/b5b6391d64807578ab872dc58fb8aa621dcfc38a
This issue was discovered by: Simcha Kosman

Signed-off-by: Archana Polampalli <archana.polampalli@windriver.com>
---
 .../ffmpeg/ffmpeg/CVE-2025-0518.patch         | 34 +++++++++++++++++++
 .../recipes-multimedia/ffmpeg/ffmpeg_5.0.1.bb |  1 +
 2 files changed, 35 insertions(+)
 create mode 100644 meta/recipes-multimedia/ffmpeg/ffmpeg/CVE-2025-0518.patch
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Patch

diff --git a/meta/recipes-multimedia/ffmpeg/ffmpeg/CVE-2025-0518.patch b/meta/recipes-multimedia/ffmpeg/ffmpeg/CVE-2025-0518.patch
new file mode 100644
index 0000000000..d7623a5b9d
--- /dev/null
+++ b/meta/recipes-multimedia/ffmpeg/ffmpeg/CVE-2025-0518.patch
@@ -0,0 +1,34 @@ 
+From b5b6391d64807578ab872dc58fb8aa621dcfc38a Mon Sep 17 00:00:00 2001
+From: Michael Niedermayer <michael@niedermayer.cc>
+Date: Mon, 6 Jan 2025 22:01:39 +0100
+Subject: [PATCH 1/4] avfilter/af_pan: Fix sscanf() use
+
+Fixes: Memory Data Leak
+
+Found-by: Simcha Kosman <simcha.kosman@cyberark.com>
+Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
+
+CVE: CVE-2025-0518
+
+Upstream-Status: Backport [https://github.com/FFmpeg/FFmpeg/commit/b5b6391d64807578ab872dc58fb8aa621dcfc38a]
+
+Signed-off-by: Archana Polampalli <archana.polampalli@windriver.com>
+---
+ libavfilter/af_pan.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/libavfilter/af_pan.c b/libavfilter/af_pan.c
+index a8a1896..6f8d2a4 100644
+--- a/libavfilter/af_pan.c
++++ b/libavfilter/af_pan.c
+@@ -178,7 +178,7 @@ static av_cold int init(AVFilterContext *ctx)
+         sign = 1;
+         while (1) {
+             gain = 1;
+-            if (sscanf(arg, "%lf%n *%n", &gain, &len, &len))
++            if (sscanf(arg, "%lf%n *%n", &gain, &len, &len) >= 1)
+                 arg += len;
+             if (parse_channel_name(&arg, &in_ch_id, &named)){
+                 av_log(ctx, AV_LOG_ERROR,
+--
+2.40.0
diff --git a/meta/recipes-multimedia/ffmpeg/ffmpeg_5.0.1.bb b/meta/recipes-multimedia/ffmpeg/ffmpeg_5.0.1.bb
index 9aecdf07e0..049d9fd9ec 100644
--- a/meta/recipes-multimedia/ffmpeg/ffmpeg_5.0.1.bb
+++ b/meta/recipes-multimedia/ffmpeg/ffmpeg_5.0.1.bb
@@ -43,6 +43,7 @@  SRC_URI = "https://www.ffmpeg.org/releases/${BP}.tar.xz \
            file://CVE-2024-35366.patch \
            file://CVE-2024-35367.patch \
            file://CVE-2024-35368.patch \
+           file://CVE-2025-0518.patch \
           "
 
 SRC_URI[sha256sum] = "ef2efae259ce80a240de48ec85ecb062cecca26e4352ffb3fda562c21a93007b"