Heap-memory write in FFMPEG
CVE-2022-2566

9CRITICAL

Key Information:

Vendor

Ffmpeg

Status
Ffmpeg
Vendor
CVE Published:
23 September 2022

What is CVE-2022-2566?

A heap out-of-bounds memory write exists in FFMPEG since version 5.1. The size calculation in build_open_gop_key_points() goes through all entries in the loop and adds sc->ctts_data[i].count to sc->sample_offsets_count. This can lead to an integer overflow resulting in a small allocation with av_calloc(). An attacker can cause remote code execution via a malicious mp4 file. We recommend upgrading past commit c953baa084607dd1d84c3bfcce3cf6a87c3e6e05

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Affected Version(s)

FFMPEG 5.1

FFMPEG ab77b878f1205225c6de1370fb0e998dbcc8bc69

FFMPEG < unspecified

References

https://github.com/FFmpeg/FFmpeg/commit/c953baa084607dd1d...
x_refsource_MISC

CVSS V3.1

Score:
9
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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