#VU21150 Missing authorization in Jira Software


Published: 2019-09-17

Vulnerability identifier: #VU21150

Vulnerability risk: Medium

CVSSv3.1: 4.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C]

CVE-ID: CVE-2019-8446

CWE-ID: CWE-862

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 gain access to potentially sensitive information.

The vulnerability exists due to the username information disclosure in the "/rest/issueNav/1/issueTable" API endpoint. A remote attacker can enumerate usernames via an incorrect authorisation check.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Jira Software: 7.6.0 - 7.6.15, 7.13.0 - 7.13.6, 8.3.0 - 8.3.1, 8.2.0 - 8.2.4, 8.1.0 - 8.1.2, 8.0.0 - 8.0.3, 7.12.0 - 7.12.4, 7.11.0 - 7.11.3, 7.8.0 - 7.8.5, 7.7.0 - 7.7.5, 7.5.0 - 7.5.4, 7.4.0 - 7.4.6, 7.3 - 7.3.9, 7.2.0 - 7.2.15, 7.1 - 7.1.10, 7.0 - 7.0.11, 6.1-OD-1, 6.0 - 6.0.3, 5.2.11, 4.4 - 4.4.5, 4.3 - 4.3.4, 4.2 - 4.2.4-b591, 4.1 - 4.1.2, 3.10 - 3.10.2, 3.4 - 3.4.3, 3.3 - 3.3.3, 2.6 - 2.6.1, 2.5.1 - 2.5.3, 2.4 - 2.4.1, 2.0.2, 1.4.3, 7.10.0 - 7.10.3, 7.9.0 - 7.9.3, 3.11 - 3.11.4, 3.9 - 3.9.3, 3.8 - 3.8.4, 3.7 - 3.7.4, 3.6 - 3.6.5, 3.5 - 3.5.3, 3.2 - 3.2.4, 3.1 - 3.1.2, 3.0 - 3.0.3, 2.14 - 2.14.2, 2.12 - 2.12.1, 2.10 - 2.10.4, 2.9 - 2.9.5, 2.8 - 2.8.3, 2.7.1 - 2.7.4, 6.8.0 - 6.8.2, 6.7.0 - 6.7.16, 6.6.0 - 6.6.3, 6.5.0 - 6.5.2, 6.4.0 - 6.4.14, 6.3.0 - 6.3.15, 6.2.1 - 6.2.7, 4.0 - 4.0.2, 3.13 - 3.13.5, 3.12 - 3.12.3


External links
http://jira.atlassian.com/browse/JRASERVER-69777
http://www.talosintelligence.com/vulnerability_reports/TALOS-2019-0839


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.


Latest bulletins with this vulnerability