PT-2017-9725 · Libav · Libav

Agostino Sarubbo · Published 2017-02-15 · Updated 2017-02-17 · CVE-2016-8676

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Libav version 11.9

Description The issue allows remote attackers to cause a denial of service, resulting in a NULL pointer dereference and crash, via a crafted mp3 file. This problem exists due to an incomplete fix for a previous issue.

Recommendations For Libav version 11.9, consider avoiding the use of the get vlc2 function in get bits.h until a complete fix is available. As a temporary workaround, restrict the processing of crafted mp3 files to minimize the risk of exploitation.

Fix

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2016-8676

Affected Products

Libav

References · 10

• https://osv.dev/vulnerability/UBUNTU-CVE-2016-8676 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2016-8676 · Security Note
• https://osv.dev/vulnerability/CVE-2016-8676 · Vendor Advisory
• https://blogs.gentoo.org/ago/2016/09/07/libav-null-pointer-dereference-in-get_vlc2_get_bits_h · Patch
• https://ubuntu.com/security/CVE-2016-8676 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2016-8676 · Security Note
• http://securityfocus.com/bid/93468 · Note
• https://blogs.gentoo.org/ago/2016/12/01/libav-multiple-crashes-from-the-undefined-behavior-sanitizer · Note
• http://openwall.com/lists/oss-security/2016/12/04/3 · Note
• http://openwall.com/lists/oss-security/2016/10/16/13 · Note