Resource exhaustion in librsvg - CVE-2019-20446

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Main Vulnerability Database Vulnerabilities #VU25011

Resource exhaustion in librsvg - CVE-2019-20446

Published: February 6, 2020


Vulnerability identifier: #VU25011
CSH Severity: Medium
CVSS v4: 5.9 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-20446
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 incorrect processing of nested patterns within SVG files in xml.rs in GNOME librsvg. A remote attacker can create a specially crafted SVG file, pass if to the affected application, trigger resource exhaustion and perform a denial of service (DoS) attack.


Affected software

librsvg
librsvg (Alpine package)
librsvg2-2 (Ubuntu package)
librsvg2 (Red Hat package)
chromium
Fedora
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for x86_64
Opensuse
Ubuntu

How to mitigate CVE-2019-20446

Install updates from vendor's website.

librsvg - addressed in versions 2.46.2, 2.47.2
librsvg (Alpine package) - update to 2.40.21-r0
librsvg2-2 (Ubuntu package) - addressed in versions 2.40.13-3ubuntu0.1, 2.40.13-3ubuntu0.2, 2.40.20-2ubuntu0.1, 2.40.20-2ubuntu0.2
librsvg2 (Red Hat package) - update to 2.42.7-4.el8
chromium - addressed in versions 80.0.3987.132-1.el8, 80.0.3987.132-1.fc30, 80.0.3987.132-1.fc31, 80.0.3987.149-1.el8, 80.0.3987.149-1.fc30, 80.0.3987.162-1.el8, 80.0.3987.163-1.el8, 81.0.4044.113-1.el8, 81.0.4044.113-2.el8, 81.0.4044.122-1.el8, 81.0.4044.138-1.el8

External References

Related Security Bulletins