Information disclosure in Atlassian JIRA

1) Information disclosure

EUVDB-ID: #VU21180

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-8448

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

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

The vulnerability exists due to improper input validation in the login.jsp resource. A remote attacker can gain unauthorized access to sensitive information and enumerate usernames on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Jira Software: 1.4.3 - 8.2.1

CPE2.3

• cpe:2.3:a:atlassian:jira:1.4.3:*:*:*:*:*:*:*
• cpe:2.3:a:atlassian:jira:2.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:atlassian:jira:2.1:*:*:*:*:*:*:*
• cpe:2.3:a:atlassian:jira:2.2:*:*:*:*:*:*:*
• cpe:2.3:a:atlassian:jira:2.3:*:*:*:*:*:*:*
• cpe:2.3:a:atlassian:jira:2.4.1:*:*:*:*:*:*:*
• cpe:2.3:a:atlassian:jira:2.5.3:*:*:*:*:*:*:*
• cpe:2.3:a:atlassian:jira:2.6.1:*:*:*:*:*:*:*
• cpe:2.3:a:atlassian:jira:2.7.4:*:*:*:*:*:*:*
• cpe:2.3:a:atlassian:jira:2.8.3:*:*:*:*:*:*:*

External links

https://jira.atlassian.com/browse/JRASERVER-69797

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.