libxslt CVE-2019-11068 Security Bypass Vulnerability

Description

libxslt is prone to a security-bypass vulnerability. Attackers can leverage this issue to bypass security restrictions and perform unauthorized actions; this may aid in launching further attacks.

Technologies Affected

• Oracle JDK(Linux Production Release) 1.8.0 Update 221
• Oracle JDK(Solaris Production Release) 1.8.0 Update 221
• Oracle JDK(Windows Production Release) 1.8.0 Update 221
• Oracle JRE(Linux Production Release) 1.8.0 Update 221
• Oracle JRE(Solaris Production Release) 1.8.0 Update 221
• Oracle JRE(Windows Production Release) 1.8.0 Update 221
• Redhat Ceph Storage 3
• Redhat Enterprise Linux 5
• Redhat Enterprise Linux 6
• Redhat Enterprise Linux 7
• Redhat Enterprise Linux 8
• Redhat OpenStack Platform 10
• Redhat OpenStack Platform 13
• Redhat OpenStack Platform 14
• Redhat OpenStack Platform 9.0
• XMLSoft libxslt 0.0.1
• XMLSoft libxslt 0.1.0
• XMLSoft libxslt 0.10.0
• XMLSoft libxslt 0.11.0
• XMLSoft libxslt 0.12.0
• XMLSoft libxslt 0.13.0
• XMLSoft libxslt 0.14.0
• XMLSoft libxslt 0.2.0
• XMLSoft libxslt 0.3.0
• XMLSoft libxslt 0.4.0
• XMLSoft libxslt 0.5.0
• XMLSoft libxslt 0.6.0
• XMLSoft libxslt 0.7.0
• XMLSoft libxslt 0.8.0
• XMLSoft libxslt 0.9.0
• XMLSoft libxslt 1.0.0
• XMLSoft libxslt 1.0.1
• XMLSoft libxslt 1.0.10
• XMLSoft libxslt 1.0.12
• XMLSoft libxslt 1.0.13
• XMLSoft libxslt 1.0.14
• XMLSoft libxslt 1.0.15
• XMLSoft libxslt 1.0.16
• XMLSoft libxslt 1.0.17
• XMLSoft libxslt 1.0.18
• XMLSoft libxslt 1.0.19
• XMLSoft libxslt 1.0.2
• XMLSoft libxslt 1.0.20
• XMLSoft libxslt 1.0.21
• XMLSoft libxslt 1.0.22
• XMLSoft libxslt 1.0.23
• XMLSoft libxslt 1.0.24
• XMLSoft libxslt 1.0.25
• XMLSoft libxslt 1.0.26
• XMLSoft libxslt 1.0.27
• XMLSoft libxslt 1.0.28
• XMLSoft libxslt 1.0.29
• XMLSoft libxslt 1.0.3
• XMLSoft libxslt 1.0.30
• XMLSoft libxslt 1.0.31
• XMLSoft libxslt 1.0.32
• XMLSoft libxslt 1.0.33
• XMLSoft libxslt 1.0.4
• XMLSoft libxslt 1.0.5
• XMLSoft libxslt 1.0.6
• XMLSoft libxslt 1.0.7
• XMLSoft libxslt 1.0.8
• XMLSoft libxslt 1.0.9
• XMLSoft libxslt 1.1.0
• XMLSoft libxslt 1.1.1
• XMLSoft libxslt 1.1.10
• XMLSoft libxslt 1.1.11
• XMLSoft libxslt 1.1.12
• XMLSoft libxslt 1.1.13
• XMLSoft libxslt 1.1.14
• XMLSoft libxslt 1.1.15
• XMLSoft libxslt 1.1.16
• XMLSoft libxslt 1.1.17
• XMLSoft libxslt 1.1.18
• XMLSoft libxslt 1.1.19
• XMLSoft libxslt 1.1.2
• XMLSoft libxslt 1.1.20
• XMLSoft libxslt 1.1.21
• XMLSoft libxslt 1.1.22
• XMLSoft libxslt 1.1.23
• XMLSoft libxslt 1.1.24
• XMLSoft libxslt 1.1.25
• XMLSoft libxslt 1.1.26
• XMLSoft libxslt 1.1.27
• XMLSoft libxslt 1.1.28
• XMLSoft libxslt 1.1.3
• XMLSoft libxslt 1.1.33
• XMLSoft libxslt 1.1.4
• XMLSoft libxslt 1.1.5
• XMLSoft libxslt 1.1.6
• XMLSoft libxslt 1.1.7
• XMLSoft libxslt 1.1.8
• XMLSoft libxslt 1.1.9

Recommendations

Block external access at the network boundary, unless external parties require service.
If global access isn’t needed, filter access to the affected computer at the network boundary. Restricting access to only trusted computers and networks might greatly reduce the likelihood of exploits.

Run all software as a nonprivileged user with minimal access rights.
To reduce the impact of latent vulnerabilities, always run nonadministrative software as an unprivileged user with minimal access rights.

Deploy network intrusion detection systems to monitor network traffic for malicious activity.
Deploy NIDS to monitor network traffic for signs of anomalous or suspicious activity. This includes but is not limited to unexplained incoming and outgoing traffic. This may indicate exploit attempts or activity that results from successful exploits.

Updates are available. Please see the references or vendor advisory for more information.