NULL pointer dereference in librsvg

1) NULL pointer dereference

EUVDB-ID: #VU24814

Risk: High

CVSSv4.0: 6.1 [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/E:U/U:Amber]

CVE-ID: CVE-2011-3146

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

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

The vulnerability exists due to improper input validation in a SVG file with a node with the element name starting with "fe," which is misidentified as a RsvgFilterPrimitive. A remote attacker can pass a specially crafted SVG file to the affected application, trigger a NULL pointer dereference error crash the application or execute arbitrary code on the target system.

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

Mitigation

Install update from vendor's website.

Vulnerable software versions

librsvg: 2.34.0

CPE2.3

• cpe:2.3:a:gnome:librsvg:2.34.0:*:*:*:*:*:*:*

External links

https://git.gnome.org/browse/librsvg/commit/?id=34c95743ca692ea0e44778e41a7c0a129363de84
https://bugzilla.redhat.com/show_bug.cgi?id=734936
https://bugzilla.gnome.org/show_bug.cgi?id=658014
https://bugs.launchpad.net/ubuntu/+source/librsvg/+bug/825497
https://rhn.redhat.com/errata/RHSA-2011-1289.html
https://lists.fedoraproject.org/pipermail/package-announce/2011-September/066127.html
https://lists.fedoraproject.org/pipermail/package-announce/2011-September/065739.html
https://lists.fedoraproject.org/pipermail/package-announce/2011-September/065730.html
https://ftp.gnome.org/pub/GNOME/sources/librsvg/2.34/librsvg-2.34.1.news

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.