CVE-2020-13904

FFmpeg 2.8 and 4.2.3 has a use-after-free via a crafted EXTINF duration in an m3u8 file because parse_playlist in libavformat/hls.c frees a pointer, and later that pointer is accessed in av_probe_input_format3 in libavformat/format.c.

CVSS v3.0 5.5 MEDIUM
CVSS v2.0 4.3 MEDIUM

5.5^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

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

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
https://patchwork.ffmpeg.org/project/ffmpeg/patch/20200529033905.41926-1-lq@chinaffmpeg.org/	Patch Vendor Advisory
https://trac.ffmpeg.org/ticket/8673	Exploit Issue Tracking Vendor Advisory
https://www.debian.org/security/2020/dsa-4722	Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/07/msg00022.html	Mailing List Third Party Advisory
https://usn.ubuntu.com/4431-1/	Third Party Advisory
https://security.gentoo.org/glsa/202007-58	Third Party Advisory
https://github.com/FFmpeg/FFmpeg/commit/6959358683c7533f586c07a766acc5fe9544d8b2	Patch Third Party Advisory

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:ffmpeg:ffmpeg:2.8:::::::*
	cpe:2.3:a:ffmpeg:ffmpeg:4.2.3:::::::*

Configuration 2 (hide)

OR	cpe:2.3:o:canonical:ubuntu_linux:18.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:20.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:16.04::::esm:::

Configuration 3 (hide)

OR	cpe:2.3:o:debian:debian_linux:9.0:::::::*
	cpe:2.3:o:debian:debian_linux:10.0:::::::*

Information

Published : 2020-06-07 12:15

Updated : 2022-10-06 18:27

NVD link : CVE-2020-13904

Mitre link : CVE-2020-13904

JSON object : View

CWE

CWE-416

Use After Free

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Products Affected

debian

debian_linux

canonical

ubuntu_linux

ffmpeg

ffmpeg

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