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package/sox: add fix for CVE-2021-40426

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The patch comes from Debian. The CVEs are not reported by pkg-stats
because the NVD database has associated it to the
libsox_project:libsox vendor/product CPE. This has been reported to
NVD:

  https://lore.kernel.org/buildroot/20250517220322.4da9bdb3@windsurf/

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Signed-off-by: Julien Olivain <ju.o@free.fr>
This commit is contained in:
Thomas Petazzoni
2025-05-18 10:57:11 +02:00
committed by Julien Olivain
parent 14aa0f5ec1
commit 1c1ee69fa7
2 changed files with 47 additions and 0 deletions
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42
package/sox/0008-phere-avoid-integer-underflow.patch Normal file
View File

@@ -0,0 +1,42 @@
From c49c81a3c4409e7c1979ec8cb341fb0c57220616 Mon Sep 17 00:00:00 2001
From: Helmut Grohne <helmut@subdivi.de>
Date: Sat, 17 May 2025 22:48:05 +0200
Subject: [PATCH] phere: avoid integer underflow
Link: https://talosintelligence.com/vulnerability_reports/TALOS-2021-1434
Bug: https://sourceforge.net/p/sox/bugs/362/
Bug-Debian: https://bugs.debian.org/1012138
Upstream: https://sourceforge.net/p/sox/bugs/362/
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
---
src/sphere.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/src/sphere.c b/src/sphere.c
index a3fd1c64..9544d160 100644
--- a/src/sphere.c
+++ b/src/sphere.c
@@ -63,7 +63,8 @@ static int start_read(sox_format_t * ft)
return (SOX_EOF);
}
- header_size -= (strlen(buf) + 1);
+ bytes_read = strlen(buf);
+ header_size -= bytes_read >= header_size ? header_size : bytes_read + 1;
while (strncmp(buf, "end_head", (size_t)8) != 0) {
if (strncmp(buf, "sample_n_bytes", (size_t)14) == 0)
@@ -105,7 +106,8 @@ static int start_read(sox_format_t * ft)
return (SOX_EOF);
}
- header_size -= (strlen(buf) + 1);
+ bytes_read = strlen(buf);
+ header_size -= bytes_read >= header_size ? header_size : bytes_read + 1;
}
if (!bytes_per_sample)
--
2.49.0

5
package/sox/sox.mk
View File

@@ -69,6 +69,11 @@ SOX_IGNORE_CVES += CVE-2021-3643 CVE-2021-23210
# due to the change of CPE ID to sox_project:sox in the NVD database
SOX_IGNORE_CVES += CVE-2021-23159 CVE-2021-23172 CVE-2023-34318
# 0008-phere-avoid-integer-underflow.patch
# This entry is NOT stale, those CVEs are not reported by pkg-stats
# due to the change of CPE ID to libsox_project:libsox in the NVD database
SOX_IGNORE_CVES += CVE-2021-40426
SOX_CONF_OPTS = \
--with-distro="Buildroot" \
--disable-stack-protector