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CVE-2019-9717

Published: Sep 19, 2019Updated: Nov 21, 2024 Sources: CVE List NVDCWE-400
NVD MITRE
6.5CVSSMEDIUM
EPSS Score
1.3%
Top 33.8%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
No Fix Available

Description

In Libav 12.3, a denial of service in the subtitle decoder allows attackers to hog the CPU via a crafted video file in Matroska format, because srt_to_ass in libavcodec/srtdec.c has a complex format argument to sscanf.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:RS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-400

Affected Products

n/an/a
libavlibav
LibraryLibrary
OSS Libraries / generic-library
libavoss-projectOSS Librariesaka libavcodec, libavformat

Attack Graph

Products CVE Techniques Tactics

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Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

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MITRE ATT&CK

1 technique
Impact
View detailed technique mapping

References

https://github.com/libav/libav/blob/df744e3cf66548c9167ea857104a29d2ea92819e/libavcodec/srtdec.c#L90
github.com
https://lgtm.com/security/
lgtm.com

Timeline

Published
Sep 19, 2019
Last Updated
Nov 21, 2024

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