CVE-2019-9718

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2019-9718
In FFmpeg 3.2 and 4.1, a denial of service in the subtitle decoder allows attackers to hog the CPU via a crafted video file in Matroska format, because ff_htmlmarkup_to_ass in libavcodec/htmlsubtitles.c has a complex format argument to sscanf.

6.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.3 /10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:M/Au:N/C:N/I:N/A:P

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References
Link Resource
http://www.securityfocus.com/bid/107382 Broken Link
https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/1f00c97bc3475c477f3c468cf2d924d5761d0982 Patch Third Party Advisory
https://github.com/FFmpeg/FFmpeg/commit/23ccf3cabb4baf6e8af4b1af3fcc59c904736f21 Patch Third Party Advisory
https://seclists.org/bugtraq/2019/May/60 Mailing List Third Party Advisory
https://usn.ubuntu.com/3967-1/ Third Party Advisory
https://www.debian.org/security/2019/dsa-4449 Third Party Advisory
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:ffmpeg:ffmpeg:3.2:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:4.1:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

Configuration 3 (hide)

OR cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*
History

07 Oct 2022, 02:15

Type Values Removed Values Added
First Time Debian debian Linux
Canonical ubuntu Linux
Debian
Canonical
CPE cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:3.2:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
References (UBUNTU) https://usn.ubuntu.com/3967-1/ - (UBUNTU) https://usn.ubuntu.com/3967-1/ - Third Party Advisory
References (BUGTRAQ) https://seclists.org/bugtraq/2019/May/60 - (BUGTRAQ) https://seclists.org/bugtraq/2019/May/60 - Mailing List, Third Party Advisory
References (MISC) https://github.com/FFmpeg/FFmpeg/commit/23ccf3cabb4baf6e8af4b1af3fcc59c904736f21 - (MISC) https://github.com/FFmpeg/FFmpeg/commit/23ccf3cabb4baf6e8af4b1af3fcc59c904736f21 - Patch, Third Party Advisory
References (BID) http://www.securityfocus.com/bid/107382 - Third Party Advisory, VDB Entry (BID) http://www.securityfocus.com/bid/107382 - Broken Link
References (DEBIAN) https://www.debian.org/security/2019/dsa-4449 - (DEBIAN) https://www.debian.org/security/2019/dsa-4449 - Third Party Advisory

04 Jan 2021, 19:15

Type Values Removed Values Added
References
  • (MISC) https://github.com/FFmpeg/FFmpeg/commit/23ccf3cabb4baf6e8af4b1af3fcc59c904736f21 -
Summary In FFmpeg 4.1, a denial of service in the subtitle decoder allows attackers to hog the CPU via a crafted video file in Matroska format, because ff_htmlmarkup_to_ass in libavcodec/htmlsubtitles.c has a complex format argument to sscanf. In FFmpeg 3.2 and 4.1, a denial of service in the subtitle decoder allows attackers to hog the CPU via a crafted video file in Matroska format, because ff_htmlmarkup_to_ass in libavcodec/htmlsubtitles.c has a complex format argument to sscanf.
Information

Published : 2019-03-12 09:29

Updated : 2023-12-10 12:59

NVD link : CVE-2019-9718

Mitre link : CVE-2019-9718

CVE.ORG link : CVE-2019-9718

JSON object : View

Products Affected

canonical

  • ubuntu_linux

debian

  • debian_linux

ffmpeg

  • ffmpeg
CWE
CWE-125

Out-of-bounds Read