SB2014050802 - Cross-site scripting in sks-keyservers.net SKS Keyserver

Description

This security bulletin contains information about 1 security vulnerability.

1) Cross-site scripting (CVE-ID: CVE-2014-3207)

Vulnerability allows a remote attacker to perform Cross-site scripting attacks.

An input validation error exists in wserver.ml in SKS Keyserver before 1.1.5 when processing PATH_INFO to pks/lookup/undefined1. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in victim's browser in security context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.

References

• http://secunia.com/advisories/57965
• http://www.securityfocus.com/bid/67198
• https://bitbucket.org/skskeyserver/sks-keyserver/commits/88d453cdc858d1352c61a4d4a6cd5b1ac17f2724
• https://bitbucket.org/skskeyserver/sks-keyserver/issue/26/unfiltered-xss
• https://bugzilla.mozilla.org/show_bug.cgi?id=952077