Vulnerability identifier: #VU17100

Vulnerability risk: Low

CVSSv3.1: 6.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2019-6461

CWE-ID: CWE-617

Exploitation vector: Network

Exploit availability: No

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

Vendor: cairographics

Description

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

The vulnerability exists due to a reachable assertion in the function _cairo_arc_in_direction in the file cairo-arc.c. A remote attacker can cause the service to crash.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Cairo: 1.16.0

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External links
http://github.com/TeamSeri0us/pocs/tree/master/gerbv
http://gitlab.freedesktop.org/cairo/cairo/issues/352

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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. However, proof of concept for this vulnerability is available.