Vulnerability identifier: #VU3056
Vulnerability risk: High
CVSSv3.1: 6.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N/E:F/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-79
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Jira Software
Client/Desktop applications /
Other client software
Vendor: Atlassian
Description
The vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data passed via HTTP Referrer header to 500page.jsp script. A remote attacker can send a specially crafted HTTP request, containing XSS exploit and permanently store arbitrary HTML and script code. The code will be executed in victim’s browser in context of vulnerable website every time the victim visits vulnerable interface.
Successful exploitation of the vulnerability may allow an attacker to gain access to potentially sensitive data.
Note: this vulnerability is being publicly exploited.
Mitigation
Update to JIRA 4.1.1:
https://confluence.atlassian.com/jira/jira-4-1-1-release-notes-215486193.html
Vulnerable software versions
Jira Software: 4.1, 4.0 - 4.0.2, 3.13 - 3.13.5, 3.12 - 3.12.3
External links
http://confluence.atlassian.com/jira/jira-security-advisory-2010-04-16-216433270.html
http://confluence.atlassian.com/jira/security-addendum-2010-04-16-determining-if-your-public-jira-instance-has-been-compromised-216433274.html
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, a fully functional exploit for this vulnerability is available.