SB2014120304 - Multiple vulnerabilities in MODX Revolution

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Information disclosure (CVE-ID: CVE-2014-8775)

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

MODX Revolution 2.x before 2.2.15 does not include the HTTPOnly flag in a Set-Cookie header for the session cookie, which makes it easier for remote attackers to obtain potentially sensitive information via script access to this cookie.

2) Cross-site scripting (CVE-ID: CVE-2014-8774)

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

An input validation error exists in manager/index.php in MODX Revolution 2.x before 2.2.15 when processing context_key parameter. 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.

3) Cross-site request forgery (CVE-ID: CVE-2014-8773)

The vulnerability allows a remote attacker to perform cross-site request forgery attacks.

The vulnerability exists due to insufficient validation of the HTTP request origin. A remote attacker can trick the victim to visit a specially crafted web page and perform arbitrary actions on behalf of the victim on the vulnerable website.

Remediation

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

References

• http://forums.modx.com/thread/92152/critical-login-xss-csrf-revolution-2-2-1-4-and-prior
• http://hacktivity.websecgeeks.com/modx-csrf-and-xss/