CVE-2022-29226: Trivial authentication bypass in Envoy
A flaw was found in Envoy. The OAuth filter does not include an implementation for validating access tokens, allowing remote attackers to bypass authentication to Envoy by providing any token value.
Other sources
Envoy is a cloud-native high-performance proxy. In versions prior to 1.22.1 the OAuth filter implementation does not include a mechanism for validating access tokens, so by design when the HMAC signed cookie is missing a full authentication flow should be triggered. However, the current implementation assumes that access tokens are always validated thus allowing access in the presence of any access token attached to the request. Users are advised to upgrade. There is no known workaround for this issue.
Affected Software
Remediation
Information
Event History
Frequently Asked Questions
What is CVE-2022-29226?
CVE-2022-29226 is a vulnerability found in Envoy where the OAuth filter does not include an implementation for validating access tokens, leading to a potential security issue.
What is the severity of CVE-2022-29226?
CVE-2022-29226 has a severity level of critical, with a severity value of 10.
How does CVE-2022-29226 affect Envoy?
CVE-2022-29226 affects Envoy versions prior to 1.22.1.
How can I fix CVE-2022-29226?
To fix CVE-2022-29226, you should update Envoy to version 1.22.1 or later.
Where can I find more information about CVE-2022-29226?
More information about CVE-2022-29226 can be found at the following references: [1] [2] [3].