CVE-2021-25740

NameCVE-2021-25740
DescriptionA security issue was discovered with Kubernetes that could enable users to send network traffic to locations they would otherwise not have access to via a confused deputy attack.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
kubernetes (PTS)bullseye1.20.5+really1.20.2-1fixed
sid, trixie, bookworm1.20.5+really1.20.2-1.1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
kubernetessource(unstable)1.20.5+really1.20.2-1

Notes

Server components no longer built since 1.20.5+really1.20.2-1, marking that as fixed version
The source package itself it still vulnerable, but custom rebuilds are not really a usecase here
https://www.openwall.com/lists/oss-security/2021/07/14/1

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