National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2019-9720 Detail

Current Description

A stack-based buffer overflow in the subtitle decoder in Libav 12.3 allows attackers to corrupt the stack via a crafted video file in Matroska format, because srt_to_ass in libavcodec/srtdec.c misuses snprintf.

Source:  MITRE
View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score: 6.5 MEDIUM
Vector:  CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://github.com/libav/libav/blob/df744e3cf66548c9167ea857104a29d2ea92819e/libavcodec/srtdec.c#L161 Exploit Third Party Advisory
https://lgtm.com/security/ Third Party Advisory

Weakness Enumeration

CWE-ID CWE Name Source
CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') NIST  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:libav:libav:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
12.3


Change History

1 change record found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2019-9720
NVD Published Date:
09/19/2019
NVD Last Modified:
09/20/2019