#VU21153 Missing authorization in Jira Software - CVE-2019-14955


Vulnerability identifier: #VU21153

Vulnerability risk: Medium

CVSSv4.0: 5.5 [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:P/U:Green]

CVE-ID: CVE-2019-14955

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 missing permissions check in the "/rest/api/1.0/render" API endpoint. A remote attacker can differentiate between valid attachment names and invalid attachment names for any given issue.


Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Jira Software: 7.6.4 - 7.6.15, 7.7.0 - 7.7.5, 7.8.0 - 7.8.5, 7.9.0 - 7.9.3, 7.10.0 - 7.13.9, 8.0.0 - 8.0.3, 8.1.0


External links
https://www.talosintelligence.com/vulnerability_reports/TALOS-2019-0837


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