Integer Overflow or Wraparound Affecting gpac4ios package, versions >=0.0.0


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.2% (60th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-COCOAPODS-GPAC4IOS-1569876
  • published26 Aug 2021
  • disclosed26 Aug 2021
  • creditCisco Talos

Introduced: 26 Aug 2021

CVE-2021-21840  (opens in a new tab)
CWE-190  (opens in a new tab)

How to fix?

There is no fixed version for GPAC4iOS.

Overview

GPAC4iOS is a GPAC4iOS is the libgpac library packaged for iOS as a Pod. It is preconfigured and tested to do a single task: create a MP4 file from a raw H.264 and an audio track.

Affected versions of this package are vulnerable to Integer Overflow or Wraparound. A specially crafted MPEG-4 input used to process an atom using the saio FOURCC code cause an integer overflow due to unchecked arithmetic resulting in a heap-based buffer overflow that causes memory corruption. An attacker can convince a user to open a video to trigger this vulnerability.

CVSS Scores

version 3.1