Denial of service in Atlassian Jira

1) Improper input validation

EUVDB-ID: #VU13271

Risk: Low

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-5231

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The vulnerability exists due to an error in the ForgotLoginDetails resource when processing malicious input. A remote attacker can send specially crafted requests and cause the service to crash.

Mitigation

The vulnerability is addressed in the following versions: 7.6.6, 7.7.4, 7.8.4, 7.9.2.

Vulnerable software versions

Jira Software: 7.6.0 - 7.9.1

CPE2.3

• cpe:2.3:a:atlassian:jira:7.6.0:*:*:*:*:*:*:*
• cpe:2.3:a:atlassian:jira:7.6.1:*:*:*:*:*:*:*
• cpe:2.3:a:atlassian:jira:7.6.2:*:*:*:*:*:*:*
• cpe:2.3:a:atlassian:jira:7.6.3:*:*:*:*:*:*:*
• cpe:2.3:a:atlassian:jira:7.7.0:*:*:*:*:*:*:*
• cpe:2.3:a:atlassian:jira:7.7.1:*:*:*:*:*:*:*
• cpe:2.3:a:atlassian:jira:7.8.0:*:*:*:*:*:*:*
• cpe:2.3:a:atlassian:jira:7.8.2:*:*:*:*:*:*:*
• cpe:2.3:a:atlassian:jira:7.9.0:*:*:*:*:*:*:*
• cpe:2.3:a:atlassian:jira:7.9.1:*:*:*:*:*:*:*

External links

https://jira.atlassian.com/browse/JRASERVER-67290

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.