Vulnerability identifier: #VU22508

Vulnerability risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-12736

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Kotlin Ktor
Server applications / Frameworks for developing and running applications

Vendor: JetBrains s.r.o.

Description

The vulnerability allows a remote attacker to inject arbitrary commands on the target system.

The vulnerability exists due to the affected software does not sanitize the username provided by the user for the LDAP protocol. A remote attacker can inject arbitrary commands on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Kotlin Ktor: 0.1.2 - 1.1.5

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External links
http://blog.jetbrains.com/blog/2019/09/26/jetbrains-security-bulletin-q2-2019/

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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.