SB2020020310 - Multiple vulnerabilities in JetBrains TeamCity

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Stored cross-site scripting (CVE-ID: CVE-2020-7911)

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 on several user-level pages. A remote attacker can permanently 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.

2) Stored cross-site scripting (CVE-ID: CVE-2020-7910)

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. A remote authenticated attacker with the developer role can permanently 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.

Remediation

Install update from vendor's website.

References

• https://blog.jetbrains.com
• https://blog.jetbrains.com/blog/2020/01/24/jetbrains-security-bulletin-q4-2019/