Potential disclosure of session cookies via header reflection

Affected product(s): Gradle Enterprise 2017.3 - 2020.2.4
Gradle Enterprise Build Cache Node 1.0 - 9.2
Severity: Critical
Published: September 15, 2020
Related CVE ID(s): CVE-2020-15768

Description

Unrestricted HTTP header reflection in Gradle Enterprise allows remote attackers to obtain authentication cookies, if they are able to discover a separate XSS vulnerability. This potentially allows an attacker to impersonate another user.

Gradle Enterprise affected application request paths:

/info/headers
/cache-info/headers
/admin-info/headers
/distribution-broker-info/headers

Gradle Enterprise Build Cache Node affected application request paths:

/cache-node-info/headers

Mitigation

The issue can be mitigated by upgrading to:

Gradle Enterprise 2020.2.5
Gradle Build Cache Node 9.3

Or alternatively by blocking the above request paths.

Credit

This issue was responsibly reported by Compass Security.