Integer Overflow 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)

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  • Snyk IDSNYK-COCOAPODS-GPAC4IOS-1569874
  • published26 Aug 2021
  • disclosed26 Aug 2021
  • creditCisco Talos

Introduced: 26 Aug 2021

CVE-2021-21842  (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. A specially crafted MPEG-4 input can cause an integer overflow when processing an atom using the ssix FOURCC code, 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