Jira Software Data Center and Server update for xalan

1) Improper input validation

EUVDB-ID: #VU65495

Risk: High

CVSSv4.0: 8.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber]

CVE-ID: CVE-2022-34169

CWE-ID: CWE-20 - Improper input validation

Exploit availability: Yes

Description

The vulnerability allows a remote non-authenticated attacker to compromise the affected system.

The vulnerability exists due to an integer truncation issue when processing malicious XSLT stylesheets. A remote non-authenticated attacker can pass specially crafted data to the application to corrupt Java class files generated by the internal XSLTC compiler and execute arbitrary Java bytecode.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Jira Software: 9.0.0 - 9.7.2

Jira Data Center: 9.0.0 - 9.7.2

CPE2.3

• cpe:2.3:a:atlassian:jira:9.0.0:*:*:*:*:*:*:*
• cpe:2.3:a:atlassian:jira:9.1.1:*:*:*:*:*:*:*
• cpe:2.3:a:atlassian:jira:9.2.1:*:*:*:*:*:*:*
• cpe:2.3:a:atlassian:jira:9.3.3:*:*:*:*:*:*:*
• cpe:2.3:a:atlassian:jira:9.4.17:*:*:*:*:*:*:*
• cpe:2.3:a:atlassian:jira:9.5.1:*:*:*:*:*:*:*
• cpe:2.3:a:atlassian:jira:9.6.0:*:*:*:*:*:*:*
• cpe:2.3:a:atlassian:jira:9.7.2:*:*:*:*:*:*:*
• cpe:2.3:a:atlassian:jira_data_center:9.0.0:*:*:*:*:*:*:*
• cpe:2.3:a:atlassian:jira_data_center:9.1.1:*:*:*:*:*:*:*

External links

https://jira.atlassian.com/browse/JSWSERVER-25841

Q & A

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, proof of concept for this vulnerability is available.