#VU33127 Link following - CVE-2011-3616

Vulnerability identifier: #VU33127

Vulnerability risk: Low

CVSSv4.0: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2011-3616

CWE-ID: CWE-59

Exploitation vector: Local

Exploit availability: No

Description

The vulnerability allows a local non-authenticated attacker to #BASIC_IMPACT#.

The getSkillname function in the eve module in Conky 1.8.1 and earlier allows local users to overwrite arbitrary files via a symlink attack on /tmp/.cesf.

Mitigation
Install update from vendor's website.

External links
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=612033
https://secunia.com/advisories/43225
https://secunia.com/advisories/46353
https://www.gentoo.org/security/en/glsa/glsa-201110-09.xml
https://www.openwall.com/lists/oss-security/2011/10/09/4
https://www.openwall.com/lists/oss-security/2011/10/10/8
https://bugs.launchpad.net/ubuntu/+source/conky/+bug/607309

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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.