Integer Overflow Vulnerability in GPAC Project's MPEG-4 Decoding
CVE-2021-21842

8.8HIGH

Key Information:

Vendor

Gpac

Status
Gpac Project
Vendor
CVE Published:
25 August 2021

What is CVE-2021-21842?

An integer overflow vulnerability exists within the MPEG-4 decoding functionality of the GPAC Project's Advanced Content library version 1.0.1. This flaw occurs when processing specially crafted MPEG-4 input containing the 'ssix' FOURCC code, leading to unchecked arithmetic that triggers a heap-based buffer overflow. Exploiting this vulnerability can result in memory corruption, allowing an attacker to manipulate the user's experience by tricking them into opening a malicious video file.

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Affected Version(s)

GPAC Project GPAC Project Advanced Content commit a8a8d412dabcb129e695c3e7d861fcc81f608304, GPAC Project Advanced Content v1.0.1

References

https://talosintelligence.com/vulnerability_reports/TALOS...
x_refsource_MISC
https://www.debian.org/security/2021/dsa-4966
vendor-advisoryx_refsource_DEBIAN

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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