Buffer overflow in libxslt - CVE-2019-18197

 

Buffer overflow in libxslt - CVE-2019-18197

Published: October 19, 2019


Vulnerability identifier: #VU21942
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-18197
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the xsltCopyText() function in transform.c in libxslt. A remote attacker can create a specially crafted XML document, pass it to the affected application, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Affected software

libxslt
SUSE Package Hub for SUSE Linux Enterprise
Arch Linux
Amazon Linux AMI
Red Hat Enterprise Linux for Scientific Computing
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for Power, big endian
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for x86_64
SUSE Linux
Opensuse
libxslt (Red Hat package)
libxslt (Alpine package)
libxslt (Ubuntu package)
BIG-IP
Data Computing Appliance (DCA)
Secure Remote Services (SRS) Virtual Edition
EMC ECS
Solutions Enabler
Unisphere for PowerMax
Unisphere for PowerMax Virtual Appliance
OpenShift Data Foundation (formerly OpenShift Container Storage)
Solutions Enabler Virtual Appliance
Traffix SDC
Red Hat OpenShift Container Platform
IBM QRadar Network Security
BIG-IQ
Oracle Java SE
Dell EMC Data Protection Search
Google Chrome

How to mitigate CVE-2019-18197

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

libxslt (Red Hat package) - addressed in versions 1.1.28-6.el7, 1.1.32-5.el8
BIG-IP - update to 17.0.0
Data Computing Appliance (DCA) - update to 3.5.5.0
Secure Remote Services (SRS) Virtual Edition - update to 3.46.00.04
Traffix SDC - update to 5.2.0
IBM QRadar Network Security - addressed in versions 5.4.0.13, 5.5.0.8
libxslt (Alpine package) - update to 1.1.31-r2
libxslt (Ubuntu package) - addressed in versions 1.1.28-2.1ubuntu0.3, 1.1.29-5ubuntu0.2, 1.1.32-2ubuntu0.2, 1.1.33-0ubuntu1.1
EMC ECS - addressed in versions 3.5.1.1, 3.6
Red Hat OpenShift Container Platform - update to 4.3.40
Solutions Enabler Virtual Appliance - addressed in versions 9.0.0.19, 9.1.0.6
Solutions Enabler - addressed in versions 9.0.0.19, 9.1.0.6
Unisphere for PowerMax - addressed in versions 9.0.2.18, 9.1.0.17
Unisphere for PowerMax Virtual Appliance - addressed in versions 9.0.2.18, 9.1.0.17
Dell EMC Data Protection Search - update to 19.3.0
Google Chrome - update to 80.0.3987.87

External References

Related Security Bulletins