SB2013123103 - Cross-site scripting in Jenkins

Description

This security bulletin contains information about 1 security vulnerability.

1) Cross-site scripting (CVE-ID: CVE-2013-5573)

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

An input validation error exists in the default markup formatter in Jenkins 1.523 when processing Description field in the user configuration. 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

Install update from vendor's website.

References

• http://packetstormsecurity.com/files/124513
• http://seclists.org/bugtraq/2013/Dec/104
• http://seclists.org/fulldisclosure/2013/Dec/159
• http://www.exploit-db.com/exploits/30408
• http://www.osvdb.org/101187
• http://www.securityfocus.com/bid/64414
• https://exchange.xforce.ibmcloud.com/vulnerabilities/89872