Multiple vulnerabilities in JetBrains TeamCity

Published: 2023-09-21 | Updated: 2023-10-04

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2023-43566 CVE-2023-42793
CWE-ID	CWE-79 CWE-288
Exploitation vector	Network
Public exploit	Vulnerability #2 is being exploited in the wild.
Vulnerable software Subscribe	TeamCity Web applications / CRM systems
Vendor	JetBrains s.r.o.

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Stored cross-site scripting

EUVDB-ID: #VU80949

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2023-43566

CWE-ID:

Exploit availability:

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data during nodes configuration. A remote user can inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Install update from vendor's website.

Vulnerable software versions

TeamCity: 2023.05 - 2023.05.3

Fixed software versions

CPE2.3

cpe:2.3:a:jetbrains_s.r.o.:teamcity:2023.05.3:*:*:*:*:*:*:*

External links

http://www.jetbrains.com/privacy-security/issues-fixed/

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?

2) Authentication bypass using an alternate path or channel

EUVDB-ID: #VU80950

Risk: High