Integer Overflow or Wraparound Affecting gpac4ios Open this link in a new tab package, versions >=0.0.0
Attack Complexity
Low
User Interaction
Required
Confidentiality
High
Integrity
High
Availability
High
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snyk-id
SNYK-COCOAPODS-GPAC4IOS-1569878
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published
26 Aug 2021
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disclosed
26 Aug 2021
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credit
Cisco Talos
Introduced: 26 Aug 2021
CVE-2021-21834 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 or Wraparound. A specially crafted MPEG-4 input when decoding the atom for the co64
FOURCC 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.