Buffer over-read in Libxml2 - CVE-2017-8872
Published: December 19, 2017
Vulnerability identifier: #VU9690
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2017-8872
CWE-ID: CWE-126
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Gnome Development Team
Affected software:
Libxml2
Libxml2
Detailed vulnerability description
The vulnerability allows a remote attacker to obtain potentially sensitive information or cause DoS condition on the target system.
The weakness exists in the htmlParseTryOrFinish function of XMLSoft libxml2 due to buffer over-read condition in the HTMLparser.c source code. A remote attacker can send a specially crafted XML file, trick the victim into opening it and read arbitrary data or cause the service to crash.
Successful exploitation of the vulnerability results in denial of service.
How to mitigate CVE-2017-8872
Install update from vendor's website.