Input validation error in Apache Tomcat - CVE-2017-5969
Published: April 11, 2017 / Updated: February 3, 2021
Vulnerability identifier: #VU32077
CSH Severity: Medium
CVSS v4: 5.6 [CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-5969
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows remote attackers to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause a denial of service (NULL pointer dereference) via a crafted XML document.
Affected software
Apache Tomcat
Gentoo Linux
libxml2 (Alpine package)
Gentoo Linux
libxml2 (Alpine package)
How to mitigate CVE-2017-5969
Install update from vendor's website.
libxml2 (Alpine package) - addressed in versions 2.9.4-r3, 2.9.4-r4