A vulnerability was found in Argo CD. It has been classified as problematic. This affects an unknown code of the component Websocket Message Handler. The manipulation with an unknown input leads to a session expiration vulnerability. CWE is classifying the issue as CWE-613. According to WASC, "Insufficient Session Expiration is when a web site permits an attacker to reuse old session credentials or session IDs for authorization." This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Argo CD is a declarative, GitOps continuous delivery tool for Kubernetes. All versions of Argo CD starting from version 2.6.0 have a bug where open web terminal sessions do not expire. This bug allows users to send any websocket messages even if the token has already expired. The most straightforward scenario is when a user opens the terminal view and leaves it open for an extended period. This allows the user to view sensitive information even when they should have been logged out already. A patch for this vulnerability has been released in the following Argo CD versions: 2.6.14, 2.7.12 and 2.8.1.

The weakness was published 08/24/2023 as GHSA-c8xw-vjgf-94hr. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2023-40025 since 08/08/2023. Neither technical details nor an exploit are publicly available.

Upgrading to version 2.6.14, 2.7.12 or 2.8.1 eliminates this vulnerability. Applying the patch e047efa8f9518c54d00d2e4493b64bc4dba98478 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Similar entries are available at VDB-106149, VDB-118429, VDB-199814 and VDB-249083.

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• open-source

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