Command injection in JetBrains Kotlin Ktor



Published: 2019-11-04 | Updated: 2019-11-05
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-12736
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Kotlin Ktor
Server applications / Frameworks for developing and running applications

Vendor JetBrains s.r.o.

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Input validation error

EUVDB-ID: #VU22508

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 - Improper input validation

Exploit availability: No

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

External links

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


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.



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