CVE Vulnerability

CVE-2018-14404

A NULL pointer dereference vulnerability exists in the xpath.c:xmlXPathCompOpEval() function of libxml2 through 2.9.8 when parsing an invalid XPath expression in the XPATH_OP_AND or XPATH_OP_OR case. Applications processing untrusted XSL format inputs with the use of the libxml2 library may be vulnerable to a denial of service attack due to a crash of the application.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://gitlab.gnome.org/GNOME/libxml2/issues/10 Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1595985 Issue Tracking Third Party Advisory
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=901817 Mailing List Third Party Advisory
https://usn.ubuntu.com/3739-2/ Third Party Advisory
https://usn.ubuntu.com/3739-1/ Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/09/msg00035.html
https://access.redhat.com/errata/RHSA-2019:1543
https://security.netapp.com/advisory/ntap-20190719-0002/
https://lists.debian.org/debian-lts-announce/2020/09/msg00009.html
Configurations

Configuration 1

cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
cpe:2.3:o:debian:debian_linux:-:*:*:*:*:*:*:*
cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:*
Information

Published : 2018-07-19 01:29

Updated : 2020-09-10 01:15

NVD link : CVE-2018-14404

Mitre link : CVE-2018-14404

Products Affected
No products.
CWE
CWE-476