Multiple vulnerabilities in JetBrains Ktor

Published: 2022-08-15

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2022-38180 CVE-2022-38179
CWE-ID	CWE-287 CWE-184
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Kotlin Ktor Server applications / Frameworks for developing and running applications
Vendor	JetBrains s.r.o.

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Improper Authentication

EUVDB-ID: #VU66500

Risk: Medium

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

CVE-ID: CVE-2022-38180

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to improper authentication validation. A remote attacker can bypass authentication process and obtain sensitive information on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Kotlin Ktor: 2.0.0 - 2.0.3

External links

http://github.com/ktorio/ktor/pull/3092
http://www.jetbrains.com/privacy-security/issues-fixed/

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.

2) Incomplete List of Disallowed Inputs

EUVDB-ID: #VU66501

Risk: Medium

CVSSv3.1: 4.1 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-38179

CWE-ID: CWE-184 - Incomplete List of Disallowed Inputs