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sox: patch CVE-2021-33844

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Use patch from Debian:
https://salsa.debian.org/lts-team/packages/sox/-/blob/debian/14.4.2+git20190427-1+deb10u3/debian/patches/CVE-2021-33844.patch

Signed-off-by: Peter Marko <peter.marko@siemens.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
This commit is contained in:
Peter Marko 2025-03-16 23:53:53 +01:00 committed by Khem Raj
parent 777186c4fb
commit 59085af7b2
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2 changed files with 41 additions and 0 deletions
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40
meta-multimedia/recipes-multimedia/sox/sox/CVE-2021-33844.patch Normal file
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@ -0,0 +1,40 @@
From f2597e433afeee8ab00cf6368ec8519df34aa031 Mon Sep 17 00:00:00 2001
From: Helmut Grohne <helmut@subdivi.de>
Date: Sun, 16 Mar 2025 23:19:43 +0100
Subject: [PATCH] wav: reject 0 bits per sample to avoid division by zero
Source: https://salsa.debian.org/lts-team/packages/sox/-/blob/debian/14.4.2+git20190427-1+deb10u3/debian/patches/CVE-2021-33844.patch
CVE: CVE-2021-33844
Upstream-Status: Inactive-Upstream [lastrelease: 2015]
Signed-off-by: Peter Marko <peter.marko@siemens.com>
---
src/testall.sh | 1 +
src/wav.c | 5 +++++
2 files changed, 6 insertions(+)
diff --git a/src/testall.sh b/src/testall.sh
index e7398377..e1454c21 100755
--- a/src/testall.sh
+++ b/src/testall.sh
@@ -67,3 +67,4 @@ t voc
t vox -r 8130
t wav
t wve
+t wav -e gsm-full-rate
diff --git a/src/wav.c b/src/wav.c
index 3f6beb45..16f0bff8 100644
--- a/src/wav.c
+++ b/src/wav.c
@@ -963,6 +963,11 @@ static int startread(sox_format_t *ft)
#endif
}
+ if (ft->encoding.bits_per_sample == 0)
+ {
+ lsx_fail_errno(ft, SOX_EHDR, "WAV file bits per sample is zero");
+ return SOX_EOF;
+ }
if (!wav->numSamples)
wav->numSamples = div_bits(qwDataLength, ft->encoding.bits_per_sample)
/ ft->signal.channels;

1
meta-multimedia/recipes-multimedia/sox/sox_14.4.2.bb
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@ -31,6 +31,7 @@ SRC_URI = "git://git.code.sf.net/p/sox/code;protocol=https;branch=master \
file://0001-remove-the-error-line-and-live-without-file-type-det.patch \
file://CVE-2021-3643_CVE-2021-23210.patch \
file://CVE-2021-23159_CVE-2021-2317.patch \
file://CVE-2021-33844.patch \
"
# last release was in 2015, use latest hash from 2024-05-30