#VU24817 Division by zero in librsvg - CVE-2017-11464

Vulnerability identifier: #VU24817

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2017-11464

CWE-ID: CWE-369

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
librsvg
Universal components / Libraries / Libraries used by multiple products

Vendor: Gnome Development Team

Description

The vulnerability allows a remote attacker to perform a denial of service attack.

The vulnerability exists due to a division by zero error within the box_blur_line() function in rsvg-filter.c. A remote attacker can pass specially crafted SVG file to the application and crash it.

Mitigation
Install update from vendor's website.

Vulnerable software versions

librsvg: 2.40.17

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External links
https://www.securityfocus.com/bid/99956
https://bugzilla.gnome.org/show_bug.cgi?id=783835
https://git.gnome.org/browse/librsvg/commit/?id=ecf9267a24b2c3c0cd211dbdfa9ef2232511972a
https://github.com/GNOME/librsvg/commit/ecf9267a24b2c3c0cd211dbdfa9ef2232511972a

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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.