#VU13271 Improper input validation in Jira Software - CVE-2018-5231

Vulnerability identifier: #VU13271

Vulnerability 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

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 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 - 7.6.3, 7.7.0 - 7.7.1, 7.8.0 - 7.8.2, 7.9.0 - 7.9.1

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

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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.