#VU42328 Link following in Augeas - CVE-2012-0786

Vulnerability identifier: #VU42328

Vulnerability risk: Medium

CVSSv4.0: 1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2012-0786

CWE-ID: CWE-59

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Augeas
Client/Desktop applications / Software for system administration

Vendor: Red Hat Inc.

Description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

The transform_save function in transform.c in Augeas before 1.0.0 allows local users to overwrite arbitrary files and obtain sensitive information via a symlink attack on a .augnew file.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Augeas: 0.0.1 - 0.9.0

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External links
https://augeas.net/news.html
https://rhn.redhat.com/errata/RHSA-2013-1537.html
https://secunia.com/advisories/55811
https://bugzilla.redhat.com/show_bug.cgi?id=772257
https://github.com/hercules-team/augeas/commit/16387744

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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.