CVE-2021-3246 — Out-of-bounds Write in Libsndfile

CWE-787 — Out-of-bounds WriteCWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer7 documents6 sources
Severity
8.8HIGHNVD
EPSS
0.8%
top 25.81%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Libsndfile Project LibsndfileDebian LibsndfileDebian Linux+1 more
Timeline
PublishedJul 20
Latest updateMay 24

Description

A heap buffer overflow vulnerability in msadpcm_decode_block of libsndfile 1.0.30 allows attackers to execute arbitrary code via a crafted WAV file.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages3 packages

▶debiandebian/libsndfile< libsndfile 1.0.31-2 (bookworm)
▶Debianlibsndfile_project/libsndfile< 1.0.31-2+3

Also affects: Debian Linux 10.0, 9.0, Fedora 33, 34

Patches

Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

2
GHSA
GHSA-p3g4-4phf-g392: A heap buffer overflow vulnerability in msadpcm_decode_block of libsndfile 1↗2022-05-24
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OSV
CVE-2021-3246: A heap buffer overflow vulnerability in msadpcm_decode_block of libsndfile 1↗2021-07-20
▶

📋Vendor Advisories

4
Ubuntu
libsndfile vulnerability↗2021-07-29
▶
Ubuntu
libsndfile vulnerability↗2021-07-29
▶
Red Hat
libsndfile: Heap buffer overflow via crafted WAV file allows arbitrary code execution↗2021-07-20
▶
Debian
CVE-2021-3246: libsndfile - A heap buffer overflow vulnerability in msadpcm_decode_block of libsndfile 1.0.3...↗2021
▶