#VU13881 Privilege escalation in CUPS - CVE-2018-4180

Vulnerability identifier: #VU13881

Vulnerability risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-4180

CWE-ID: CWE-264

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
CUPS
Server applications / Other server solutions

Vendor: Apple Inc.

Description

The vulnerability allows a local attacker to gain elevated privileges on the target system.

The vulnerability exists due to unspecified flaw. A local attacker with access to cupsctl can set an environment variable and gain elevated privileges.

Mitigation
Update to version 2.2.1.

Vulnerable software versions

CUPS: 1.0.4 8 - 2.2.0

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External links
https://www.debian.org/security/2018/dsa-4243

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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