PT-2021-4159 · Microsoft · Hevc Video Extensions

Linhlhq · Published 2021-07-13 · Updated 2023-12-28 · CVE-2021-31947

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions HEVC Video Extensions (affected versions not specified)

Description The issue is related to incorrect code generation management in the HEVC Video Extensions codec. Exploitation of this issue may allow an attacker to execute arbitrary code.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Code Injection

Weakness Enumeration

CWE-94

Related Identifiers

BDU:2021-04754

CVE-2021-31947

Affected Products

Hevc Video Extensions

References · 13

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31947 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-31947 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-04754 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-31947 · Security Note
• https://osv.dev/vulnerability/CVE-2021-31947 · Vendor Advisory
• https://t.me/cvenotify/17768 · Telegram Post
• https://cybersecurity-help.cz/vdb/SB2021071321 · Note
• https://t.me/cvenotify/17609 · Telegram Post
• https://t.me/cvenotify/17764 · Telegram Post
• https://t.me/cvenotify/17614 · Telegram Post
• https://t.me/cvenotify/17766 · Telegram Post
• https://t.me/cibsecurity/26164 · Telegram Post
• https://t.me/cvenotify/17765 · Telegram Post