Heap-based Buffer Overflow Affecting ffmpeg package, versions [,5.1.6)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    Exploit Maturity
    Proof of concept
    EPSS
    0.12% (48th percentile)

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  • Snyk ID SNYK-UNMANAGED-FFMPEG-7654161
  • published 9 Aug 2024
  • disclosed 8 Aug 2024
  • credit CookedMelon

How to fix?

Upgrade ffmpeg to version 5.1.6 or higher.

Overview

Affected versions of this package are vulnerable to Heap-based Buffer Overflow through the fill_audiodata function in libswresample/swresample.c:535. An attacker can corrupt memory and potentially execute arbitrary code by sending specially crafted input to trigger a heap-based buffer overflow.

PoC

./configure --enable-lto --enable-gpl --enable-libx265 --disable-shared --disable-inline-asm --enable-debug=1
./ffmpeg_g -i ./poc ./test.mp4

References

CVSS Scores

version 4.0
version 3.1
Expand this section

Snyk

Recommended
5.3 medium
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Attack Requirements (AT)
    None
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    Passive
  • Confidentiality (VC)
    Low
  • Integrity (VI)
    Low
  • Availability (VA)
    Low
  • Confidentiality (SC)
    None
  • Integrity (SI)
    None
  • Availability (SA)
    None