Resource exhaustion in libarchive - CVE-2019-1000020

 

Resource exhaustion in libarchive - CVE-2019-1000020

Published: September 2, 2019 / Updated: September 4, 2019


Vulnerability identifier: #VU20541
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: CVE-2019-1000020
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: libarchive
Affected software:
libarchive

Detailed vulnerability description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper parsing of ISO9660 files. A remote attacker can  persuade a user to access an ISO9660, trigger an infinite loop condition and perform a denial of service (DoS) attack.


How to mitigate CVE-2019-1000020

Install updates from vendor's website.

Sources