Amazon Linux 1 Security Advisory: ALAS-2018-1072
Advisory Release Date: 2018-09-05 19:31 Pacific
Advisory Updated Date: 2018-09-06 22:00 Pacific
A null pointer dereference vulnerability exists in the xpath.c:xmlXPathCompOpEval() function of libxml2 when parsing invalid XPath expression. Applications processing untrusted XSL format inputs with the use of libxml2 library may be vulnerable to denial of service attack due to crash of the application.(CVE-2018-14404)
Affected Packages:
libxml2
Issue Correction:
Run yum update libxml2 to update your system.
i686:
libxml2-devel-2.9.1-6.3.52.amzn1.i686
libxml2-static-2.9.1-6.3.52.amzn1.i686
libxml2-debuginfo-2.9.1-6.3.52.amzn1.i686
libxml2-2.9.1-6.3.52.amzn1.i686
libxml2-python26-2.9.1-6.3.52.amzn1.i686
libxml2-python27-2.9.1-6.3.52.amzn1.i686
src:
libxml2-2.9.1-6.3.52.amzn1.src
x86_64:
libxml2-static-2.9.1-6.3.52.amzn1.x86_64
libxml2-2.9.1-6.3.52.amzn1.x86_64
libxml2-python27-2.9.1-6.3.52.amzn1.x86_64
libxml2-debuginfo-2.9.1-6.3.52.amzn1.x86_64
libxml2-devel-2.9.1-6.3.52.amzn1.x86_64
libxml2-python26-2.9.1-6.3.52.amzn1.x86_64