SB2020020309 - Multiple vulnerabilities in JetBrains TeamCity



SB2020020309 - Multiple vulnerabilities in JetBrains TeamCity

Published: February 3, 2020

Security Bulletin ID SB2020020309
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Insufficiently protected credentials (CVE-ID: CVE-2020-7909)

CWE-ID: CWE-522 - Insufficiently Protected Credentials

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to obtain the administrator credentials.

The vulnerability exist due to the server-stored passwords can be shown via the web UI. A remote attacker can gain access to sensitive information on the target system.

2) Reverse Tabnabbing (CVE-ID: CVE-2020-7908)

CWE-ID: CWE-1022 - Use of Web Link to Untrusted Target with window.opener Access

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote attacker to modify certain properties on the affected system.

The vulnerability exist due to Reverse Tabnabbing on several pages. A remote attacker can modify the location property to automatically redirect the user to a malicious site.

Remediation

Install update from vendor's website.