Vulnerability identifier: #VU19192

Vulnerability risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-8834

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
libcroco
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 (DoS) attack.

The vulnerability exists due to a boundary error in the "cr_tknzr_parse_comment" function, as defined in the "src/cr-tknzr.c" file. A remote attacker can persuade a user to access a CSS file that submits malicious input to the system, trigger memory corruption and cause a DoS condition on the affected system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

libcroco: 0.6.12

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External links
http://bugzilla.gnome.org/show_bug.cgi?id=782647

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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.