PT-2017-14723 · FFmpeg · Libav

Published 2017-12-04 · Updated 2017-12-15 · CVE-2017-17129

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Libav version 12.2

Description The issue allows remote attackers to cause a denial of service, resulting in a segmentation fault and application crash, or possibly have other unspecified impacts via a crafted file. This is due to a problem in the ff vc1 mc 4mv chroma4 function.

Recommendations For Libav version 12.2, consider avoiding the use of the ff vc1 mc 4mv chroma4 function until a patch is available. At the moment, there is no information about a newer version that contains a fix for this issue.

Exploit

Fix

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2017-17129

Affected Products

Libav

References · 3

• 🔥 https://bugzilla.libav.org/show_bug.cgi?id=1101 · Exploit
• https://osv.dev/vulnerability/CVE-2017-17129 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-17129 · Security Note