SB2016123104 - Gentoo update for Openfire

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Cross-site scripting (CVE-ID: CVE-2015-6972)

Vulnerability allows a remote attacker to perform XSS attacks.

The vulnerability is caused by an input validation error when processing data passed via the "groupchatName" parameter to plugins/clientcontrol/create-bookmark.jsp, via the "urlName" parameter to plugins/clientcontrol/create-bookmark.jsp, via the  "hostname" parameter to server-session-details.jsp, and via the  "search" parameter to group-summary.jsp. 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.

2) Cross-site request forgery (CVE-ID: CVE-2015-6973)

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 various actions on behalf of the victim, such as change victim's password, create new users, edit server settings, etc.

3) Improper Authorization (CVE-ID: CVE-2015-7707)

The vulnerability allows a remote user to escalate privileges within the application.

The vulnerability exists due to the application does not validate user privileges when executing privileged actions. A remote authenticated user can set the "isadmin" HTTP GET parameter to value "on" in the request to the "/user-edit-form.jsp" URL and gain administrative permissions in the application.

Example:

http://[host]/user-edit-form.jsp?username=current_user&save=true&name=blasphemer&email=test@test.com&isadmin=on

Remediation

Install update from vendor's website.

References

• https://security.gentoo.org/
• https://security.gentoo.org/glsa/201612-50