Resource exhaustion in Loofah - CVE-2022-23514

 

Resource exhaustion in Loofah - CVE-2022-23514

Published: December 14, 2022


Vulnerability identifier: #VU70328
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-23514
CWE-ID: CWE-400
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 application does not properly control consumption of internal resources when parsing certain SVG attributes. A remote attacker can pass a specially crafted SVG file to the application and consume excessive CPU resources, causing a denial of service (DoS) attack.


Affected software

Loofah
SUSE Linux Enterprise High Availability Extension 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Manager Server
SUSE Manager Retail Branch Server
SUSE Manager Proxy
SUSE Linux Enterprise Server 15 SP1 Business Critical Linux
SUSE Linux Enterprise Server 15 SP2 Business Critical Linux
SUSE Linux Enterprise Server 15 SP3 Business Critical Linux
openSUSE Leap
ruby2.5-rubygem-loofah
ruby2.5-rubygem-loofah-doc
ruby2.5-rubygem-loofah-testsuite
Red Hat Satellite

How to mitigate CVE-2022-23514

Install updates from vendor's website.

Loofah - update to 2.19.1
ruby2.5-rubygem-loofah - update to 2.2.2-150000.4.9.1
ruby2.5-rubygem-loofah-doc - update to 2.2.2-150000.4.9.1
ruby2.5-rubygem-loofah-testsuite - update to 2.2.2-150000.4.9.1
Red Hat Satellite - update to 6.13

External References

Related Security Bulletins