Infinite loop in Libxml2 - CVE-2018-14567

 

Infinite loop in Libxml2 - CVE-2018-14567

Published: August 20, 2018 / Updated: August 21, 2018


Vulnerability identifier: #VU14470
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-14567
CWE-ID: CWE-611
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Gnome Development Team
Affected software:
Libxml2

Detailed vulnerability description

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The vulnerability exists in the liblzma error code of the GNOME libxml2 library due to an infinite loop condition in the Lempel–Ziv–Markov (LZMA) decompression feature during the processing of XML files. A remote attacker can trick the victim into opening an XML file that submits malicious input, trigger a LZMA_MEMLIMIT_ERROR condition and cause the service to crash.


How to mitigate CVE-2018-14567

Install update from vendor's website.

Sources