Rapid7 Vulnerability & Exploit Database

FFmpeg: CVE-2020-20891: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Free InsightVM Trial No Credit Card Necessary
Watch Demo See how it all works
Back to Search

FFmpeg: CVE-2020-20891: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
09/20/2021
Created
09/28/2021
Added
09/27/2021
Modified
11/25/2022

Description

Buffer Overflow vulnerability in function config_input in libavfilter/vf_gblur.c in Ffmpeg 4.2.1, allows attackers to cause a Denial of Service or other unspecified impacts.

Solution(s)

  • ffmpeg-upgrade-3_2_17
  • ffmpeg-upgrade-3_4_10
  • ffmpeg-upgrade-4_1_9
  • ffmpeg-upgrade-4_2_6
  • ffmpeg-upgrade-4_3

With Rapid7 live dashboards, I have a clear view of all the assets on my network, which ones can be exploited, and what I need to do in order to reduce the risk in my environment in real-time. No other tool gives us that kind of value and insight.

– Scott Cheney, Manager of Information Security, Sierra View Medical Center

;