CVE-2022-24904

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CVE-2022-24904

Summary: Symlink following allows leaking out-of-bound manifests and JSON files from Argo CD repo-server

Details: Argo CD is a declarative, GitOps continuous delivery tool for Kubernetes. Argo CD starting with version 0.7.0 and prior to versions 2.1.15m 2.2.9, and 2.3.4 is vulnerable to a symlink following bug allowing a malicious user with repository write access to leak sensitive files from Argo CD's repo-server. A malicious Argo CD user with write access for a repository which is (or may be) used in a directory-type Application may commit a symlink which points to an out-of-bounds file. Sensitive files which could be leaked include manifest files from other Applications' source repositories (potentially decrypted files, if you are using a decryption plugin) or any JSON-formatted secrets which have been mounted as files on the repo-server. A patch for this vulnerability has been released in Argo CD versions 2.3.4, 2.2.9, and 2.1.15. Users of versions 2.3.0 or above who do not have any Jsonnet/directory-type Applications may disable the Jsonnet/directory config management tool as a workaround.

References: https://github.com/argoproj/argo-cd/releases/tag/v2.1.15, https://github.com/argoproj/argo-cd/releases/tag/v2.2.9, https://github.com/argoproj/argo-cd/releases/tag/v2.3.4, https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/24xxx/CVE-2022-24904.json, https://github.com/argoproj/argo-cd/security/advisories/GHSA-6gcg-hp2x-q54h, https://nvd.nist.gov/vuln/detail/CVE-2022-24904