Integer Overflow Affecting gpac4ios package, versions >=0.0.0
Snyk CVSS
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Test your applications- Snyk ID SNYK-COCOAPODS-GPAC4IOS-1569875
- published 26 Aug 2021
- disclosed 26 Aug 2021
- credit Cisco Talos
Introduced: 26 Aug 2021
CVE-2021-21848 Open this link in a new tabHow 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. The library will actually reuse the parser for atoms with the stsz FOURCC code when parsing atoms that use the stz2 FOURCC code and can 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.