CVE-2021-4076

NameCVE-2021-4076
DescriptionA flaw exists in tang, a network-based cryptographic binding server, which could result in leak of private keys.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)
ReferencesDSA-5025-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
tang (PTS)buster7-1+deb10u1fixed
bullseye (security), bullseye8-3+deb11u1fixed
bookworm, sid11-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
tangsourcebuster(not affected)
tangsourcebullseye8-3+deb11u1DSA-5025-1
tangsource(unstable)11-1

Notes

[buster] - tang <not-affected> (Vulnerable code introduced later)
https://github.com/latchset/tang/pull/81
Introduced by: https://github.com/latchset/tang/commit/609050586e4863329d2db9b7cb73da5c09eeea2b (v8)
Fixed by: https://github.com/latchset/tang/commit/e82459fda10f0630c3414ed2afbc6320bb9ea7c9 (v11)

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