Vulnerability · Published Dec 19, 2022 · Assigned by vmware

CVE-2022-31683

Medium 5.4

In plain English

A medium-severity authorization bypass via user-controlled key in Concourse. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 41% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.5%top 59.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

Concourse (7.x.y prior to 7.8.3 and 6.x.y prior to 6.7.9) contains an authorization bypass issue. A Concourse user can send a request with body including :team_name=team2 to bypass team scope check to gain access to certain resources belong to any other team.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Gogithub.com/concourse/concourse6.7.9GHSA-5jp2-vwrj-99rf
Gogithub.com/concourse/concourse7.8.3GHSA-5jp2-vwrj-99rf

Affected products (as reported)

VendorProductVersions
n/a Concourse Concourse (7.x.y prior to 7.8.3 and 6.x.y prior to 6.7.9)

Weakness: CWE-639 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

References