PT-2018-6768 · FFmpeg · Libav

Published 2018-03-22 · Updated 2018-04-18 · CVE-2017-18242

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/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 (out-of-bounds read) via a crafted aac file. This is due to a problem in the apply dependent coupling function in libavcodec/aacdec.c.

Recommendations: For Libav version 12.2, consider disabling the apply dependent coupling function as a temporary workaround until a patch is available. Restrict access to crafted aac files to minimize the risk of exploitation.

Fix

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2017-18242

Affected Products

Libav

References · 6

• https://ubuntu.com/security/CVE-2017-18242 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2017-18242 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2017-18242 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-18242 · Security Note
• https://cve.org/CVERecord?id=CVE-2017-18242 · Security Note
• https://bugzilla.libav.org/show_bug.cgi?id=1093 · Note