#VU13883 Security restrictions bypass in CUPS - CVE-2018-4182

Vulnerability identifier: #VU13883

Vulnerability risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-4182

CWE-ID: CWE-264

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
CUPS
Server applications / Other server solutions

Vendor: Apple Inc.

Description

The vulnerability allows a remote attacker to bypass security restrictions on the target system.

The vulnerability exists due to an error in CUPS' profile creation. A remote attacker with sandboxed root access can bypass security restrictions and execute backends without a sandbox profile.

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?

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.