Type Confusion in libxslt - CVE-2019-5815
Published: August 22, 2022
Vulnerability identifier: #VU66693
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-5815
CWE-ID: CWE-843
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a type confusion error within the xsltNumberFormatGetMultipleLevel. A remote attacker can pass specially crafted XML data to the application, trigger a type confusion error and crash the application.
Affected software
libxslt
Ubuntu
cflinuxfs3
libxslt1.1 (Ubuntu package)
Ubuntu
cflinuxfs3
libxslt1.1 (Ubuntu package)
How to mitigate CVE-2019-5815
Install updates from vendor's website.
libxslt - update to 1.1.33
cflinuxfs3 - update to 0.318.0
libxslt1.1 (Ubuntu package) - addressed in versions 1.1.29-5ubuntu0.3, 1.1.34-4ubuntu0.20.04.1, 1.1.34-4ubuntu0.22.04.1, 1.1.282.1ubuntu0.3+esm1
cflinuxfs3 - update to 0.318.0
libxslt1.1 (Ubuntu package) - addressed in versions 1.1.29-5ubuntu0.3, 1.1.34-4ubuntu0.20.04.1, 1.1.34-4ubuntu0.22.04.1, 1.1.282.1ubuntu0.3+esm1