SB2019050604 - Multiple vulnerabilities in JIRA

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Improper access control (CVE-ID: CVE-2019-3399)

The vulnerability allows a remote attacker to gain unauthorized access to sensitive information.

The vulnerability exists due to absent access restrictions when displaying information for archived projects within the BrowseProjects.jspa resource. A remote non-authenticated attacker can view contents of all archived projects. 

Example:

http://[host]/jira/secure/BrowseProjects.jspa?selectedCategory=archived&selectedProjectType=all&s=view_archived_projects 

2) Cross-site scripting (CVE-ID: CVE-2019-3400)

The vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data when processing data passed via the "jql" HTTP GET parameter to "/rest/gadget/1.0/issueTable/jql" URL. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in 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.

Exploitation example:

http://[host]/rest/gadget/1.0/issueTable/jql?jql=XSS

Remediation

Install update from vendor's website.

References

• https://jira.atlassian.com/browse/JRASERVER-69246
• https://jira.atlassian.com/browse/JRASERVER-69245