PT-2017-10356 · FFmpeg · Libav

Agostino Sarubbo · Published 2017-03-01 · Updated 2017-11-04 · CVE-2016-9821

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 11.8

Description The issue is related to an integer overflow in the libavcodec/mpegvideo parser.c file of libav, which can be exploited by remote attackers to cause a denial of service (crash) by providing a crafted file.

Recommendations For libav version 11.8, update to a version that fixes the integer overflow issue in libavcodec/mpegvideo parser.c to prevent remote attackers from causing a denial of service.

Exploit

Fix

DoS

Integer Overflow

Weakness Enumeration

CWE-190

Related Identifiers

CVE-2016-9821

DLA-791-1

DSA-3833-1

Affected Products

Libav

References · 15

• 🔥 https://github.com/asarubbo/poc/blob/master/00037-libav-signedintoverflow-mpegvideo_parser · Exploit
• 🔥 https://blogs.gentoo.org/ago/2016/12/01/libav-multiple-crashes-from-the-undefined-behavior-sanitizer · Exploit
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9822 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2016-9821 · Vendor Advisory
• http://debian.org/security/2017/dsa-3833 · Vendor Advisory
• https://security-tracker.debian.org/tracker/source-package/libav · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2016-9821 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2016-9821 · Security Note
• https://cve.org/CVERecord?id=CVE-2016-9821 · Security Note
• https://osv.dev/vulnerability/DSA-3833-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-9821 · Vendor Advisory
• https://security-tracker.debian.org/tracker/DSA-3833-1 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9821 · Security Note
• http://securityfocus.com/bid/94732 · Note
• https://packages.debian.org/src:libav · Note