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e675ffd964
Fixes the following security vulnerabilities: CVE-2022-33065: Multiple signed integers overflow in function au_read_header in src/au.c and in functions mat4_open and mat4_read_header in src/mat4.c in Libsndfile, allows an attacker to cause Denial of Service or other unspecified impacts. CVE-2024-50612: libsndfile through 1.2.2 has an ogg_vorbis.c vorbis_analysis_wrote out-of-bounds read. Signed-off-by: Peter Korsgaard <peter@korsgaard.com> Signed-off-by: Julien Olivain <ju.o@free.fr>
35 lines
1.1 KiB
Diff
35 lines
1.1 KiB
Diff
From 2f8eece78cc8b4dce6c95b3045867f0936714db8 Mon Sep 17 00:00:00 2001
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From: Alex Stewart <alex.stewart@ni.com>
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Date: Wed, 11 Oct 2023 16:46:29 -0400
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Subject: [PATCH] avr: fix int overflow in avr_read_header()
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Pre-cast hdr.frames to sf_count_t, to provide the calculation with
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enough numeric space to avoid an int-overflow.
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CVE: CVE-2022-33065
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Fixes: https://github.com/libsndfile/libsndfile/issues/833
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Signed-off-by: Alex Stewart <alex.stewart@ni.com>
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Upstream: https://github.com/libsndfile/libsndfile/commit/2f8eece78cc8b4dce6c95b3045867f0936714db8
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Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
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---
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src/avr.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/src/avr.c b/src/avr.c
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index 6c78ff69..1bc1ffc9 100644
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--- a/src/avr.c
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+++ b/src/avr.c
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@@ -162,7 +162,7 @@ avr_read_header (SF_PRIVATE *psf)
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psf->endian = SF_ENDIAN_BIG ;
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psf->dataoffset = AVR_HDR_SIZE ;
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- psf->datalength = hdr.frames * (hdr.rez / 8) ;
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+ psf->datalength = (sf_count_t) hdr.frames * (hdr.rez / 8) ;
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if (psf->fileoffset > 0)
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psf->filelength = AVR_HDR_SIZE + psf->datalength ;
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--
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2.39.5
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