#VU40789 Permissions, Privileges, and Access Controls in Fedora - CVE-2015-0278

Vulnerability identifier: #VU40789

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2015-0278

CWE-ID: CWE-264

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Fedora
Operating systems & Components / Operating system

Vendor: Fedoraproject

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

libuv before 0.10.34 does not properly drop group privileges, which allows context-dependent attackers to gain privileges via unspecified vectors.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Fedora: 21

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External links
https://advisories.mageia.org/MGASA-2015-0186.html
https://www.mandriva.com/security/advisories?name=MDVSA-2015:228
https://github.com/libuv/libuv/commit/66ab38918c911bcff025562cf06237d7fedaba0c
https://github.com/libuv/libuv/pull/215
https://groups.google.com/forum/#!msg/libuv/0JZxwLMtsMI/jraczskYWWQJ
https://lists.fedoraproject.org/pipermail/package-announce/2015-February/150526.html
https://security.gentoo.org/glsa/201611-10

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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.