CVE-2014-0027

The play_wave_from_socket function in audio/auserver.c in Flite 1.4 allows local users to modify arbitrary files via a symlink attack on /tmp/awb.wav. NOTE: some of these details are obtained from third party information.

Weakness

The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.

Affected Software

Potential Mitigations

• Follow the principle of least privilege when assigning access rights to entities in a software system.
• Denying access to a file can prevent an attacker from replacing that file with a link to a sensitive file. Ensure good compartmentalization in the system to provide protected areas that can be trusted.

Related Attack Patterns

• https://cwe.mitre.org/data/definitions/132.html
• https://cwe.mitre.org/data/definitions/17.html
• https://cwe.mitre.org/data/definitions/35.html
• https://cwe.mitre.org/data/definitions/76.html

References

• http://lists.fedoraproject.org/pipermail/package-announce/2014-February/127748.html
• http://lists.fedoraproject.org/pipermail/package-announce/2014-February/127776.html
• http://seclists.org/oss-sec/2014/q1/59
• http://www.mandriva.com/security/advisories?name=MDVSA-2014:032
• http://www.osvdb.org/101948
• http://www.securityfocus.com/bid/64791
• https://bugzilla.redhat.com/show_bug.cgi?id=1048678