Vulnerability identifier: #VU22490

Vulnerability risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-18369

CWE-ID: CWE-276

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
YouTrack
Web applications / CMS

Vendor: JetBrains s.r.o.

Description

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to incorrect default permissions for files and folders that are set by the application. A remote attacker can remove tags from issues list without corresponding permission.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

YouTrack: All versions

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External links
http://blog.jetbrains.com/blog/2019/10/29/jetbrains-security-bulletin-q3-2019/

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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.