CVE-2010-4022

NameCVE-2010-4022
DescriptionThe do_standalone function in the MIT krb5 KDC database propagation daemon (kpropd) in Kerberos 1.7, 1.8, and 1.9, when running in standalone mode, does not properly handle when a worker child process "exits abnormally," which allows remote attackers to cause a denial of service (listening process termination, no new connections, and lack of updates in slave KVC) via unspecified vectors.
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)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
krb5 (PTS)buster1.17-3+deb10u3fixed
buster (security)1.17-3+deb10u2fixed
bullseye1.18.3-6+deb11u1fixed
bookworm, sid1.20-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
krb5sourceetch(not affected)
krb5sourcelenny(not affected)
krb5sourcesqueeze1.8.3+dfsg-4squeeze1
krb5source(unstable)1.8.3+dfsg-5low

Notes

[lenny] - krb5 <not-affected> (Only affects 1.7.x onwards)
[etch] - krb5 <not-affected> (Only affects 1.7.x onwards)

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