CVE-2022-39308 GoCD API authentication of user access tokens subject to timing attack during comparison
Attackers can guess user access tokens via timing attacks on GoCD API, potentially gaining unauthorized access to the continuous delivery server.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-39308?
CVE-2022-39308 is a medium-severity vulnerability in gocd, published on 14 Oct 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
GoCD is a continuous delivery server. GoCD helps you automate and streamline the build-test-release cycle for continuous delivery of your product. GoCD versions from 19.2.0 to 19.10.0 (inclusive) are subject to a timing attack in validation of access tokens due to use of regular string comparison for validation of the token rather than a constant time algorithm. This could allow a brute force attack on GoCD server API calls to observe timing differences in validations in order to guess an access token generated by a user for API access. This issue is fixed in GoCD version 19.11.0. As a workaround, users can apply rate limiting or insert random delays to API calls made to GoCD Server via a reverse proxy or other fronting web server. Another workaround, users may disallow use of access tokens by users by having an administrator revoke all access tokens through the "Access Token Management" admin function.
Which versions are affected by CVE-2022-39308?
It affects 1 product.
Products include Thoughtworks Gocd.
How do I fix CVE-2022-39308?
No fix has been published for CVE-2022-39308 yet. Limit exposure of the affected software until one is available.
Is CVE-2022-39308 being exploited?
There is no known exploitation of CVE-2022-39308 in the wild and no public exploit code.
Other vulnerabilities in gocd
- CVE-2021-43290 Path traversal in n/a
- CVE-2021-44659 Server-side request forgery in n/a
- CVE-2024-56320 GoCD vulnerable to admin privilege escalation by a malicious internal/existing authenticated user
- CVE-2022-39311 Compromised agents may be able to execute remote code on GoCD Server
- CVE-2022-29184 Command Injection/Argument Injection in GoCD
Sources
Also known as GHSA-999p-fp84-jcpq.