PT-2021-6773 · Unknown · Gpac Project On Advanced Content Library

Published 2021-08-18 · Updated 2022-07-29 · CVE-2021-21856

Positive Technologies (AI Summary)

CVSS v2.0

9.3

High

Base vector

AV:N/AC:M/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions GPAC Project on Advanced Content library version 1.0.1

Description The issue is related to integer overflow vulnerabilities in the MPEG-4 decoding functionality. A specially crafted MPEG-4 input can cause an integer overflow due to unchecked addition arithmetic, resulting in a heap-based buffer overflow that causes memory corruption. An attacker can trigger this issue by convincing a user to open a video. The vulnerability allows a remote attacker to access confidential data, compromise its integrity, and cause a denial of service.

Recommendations For GPAC Project on Advanced Content library version 1.0.1, consider disabling the MPEG-4 decoding functionality until a patch is available to prevent exploitation. Restrict access to videos that could potentially trigger the vulnerability to minimize the risk of memory corruption and data compromise. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Buffer Overflow

Integer Overflow

Weakness Enumeration

CWE-119

CWE-680

CWE-190

Related Identifiers

BDU:2022-02165

CVE-2021-21856

Affected Products

Gpac Project On Advanced Content Library

References · 13

• 🔥 https://talosintelligence.com/vulnerability_reports/TALOS-2021-1299 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-21856 · Security Note
• https://osv.dev/vulnerability/CVE-2021-21856 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-21856 · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-02165 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-21856 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-21856 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2021-21856 · Vendor Advisory
• https://github.com/gpac/gpac/issues/1814 · Note
• https://github.com/gpac/gpac/commit/bbd741e0e5a6e7e1e90a73c350acc061dde9450b · Note
• https://xn--80ahaefyxhn.xn--j1afgaq.xn--p1ai/bin/view/%D0%9E%D0%A1%D0%BD%D0%BE%D0%B2%D0%B0/%D0%9E%D0%B1%D0%BD%D0%BE%D0%B2%D0%BB%D0%B5%D0%BD%D0%B8%D1%8F/2.7 · Note
• https://t.me/cibsecurity/27506 · Telegram Post
• https://t.me/cvenotify/19603 · Telegram Post