Resource management error in librsvg - CVE-2016-4348
Published: January 31, 2020
Vulnerability identifier: #VU24813
CSH Severity: Medium
CVSS v4: 8.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2016-4348
CWE-ID: CWE-399
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 stack consumption in the _rsvg_css_normalize_font_size() function in librsvg when processing circular definitions in an SVG document. A remote attacker can use a specially crafted SVG file and consume all available resources on the system.
Affected software
librsvg
librsvg (Debian package)
librsvg (Debian package)
How to mitigate CVE-2016-4348
Install updates from vendor's website.
librsvg - update to 2.40.3
librsvg (Debian package) - addressed in versions 2.40.5-1+deb8u2, 2.40.12-1
librsvg (Debian package) - addressed in versions 2.40.5-1+deb8u2, 2.40.12-1
External References
- http://lists.opensuse.org/opensuse-updates/2016-05/msg00079.html
- http://www.debian.org/security/2016/dsa-3584
- http://www.openwall.com/lists/oss-security/2016/04/28/4
- http://www.openwall.com/lists/oss-security/2016/04/28/7
- http://www.openwall.com/lists/oss-security/2016/04/30/3
- http://www.openwall.com/lists/oss-security/2016/05/10/15
- https://git.gnome.org/browse/librsvg/commit/?id=d1c9191949747f6dcfd207831d15dd4ba00e31f2