#VU9689 Heap-based buffer over-read in Libxml2 - CVE-2017-9050

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Main Vulnerability Database Vulnerabilities #VU9689

#VU9689 Heap-based buffer over-read in Libxml2 - CVE-2017-9050

Published: December 19, 2017


Vulnerability identifier: #VU9689
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2017-9050
CWE-ID: CWE-126
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Libxml2
Software vendor:
Gnome Development Team

Description

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

The weakness exists in the xmlDictAddString function of XMLSoft libxml2 due to improper bounds checking in the dict.c code. A remote attacker can send a specially crafted request, trigger heap-based buffer over-read condition and cause the service to crash.

Successful exploitation of the vulnerability results in denial of service.


Remediation

Install update from vendor's website.

External links