CVE-2011-0284

NameCVE-2011-0284
DescriptionDouble free vulnerability in the prepare_error_as function in do_as_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.7 through 1.9, when the PKINIT feature is enabled, allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via an e_data field containing typed data.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs618517

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
krb5 (PTS)bullseye1.18.3-6+deb11u4fixed
bullseye (security)1.18.3-6+deb11u5fixed
bookworm1.20.1-2+deb12u1fixed
bookworm (security)1.20.1-2+deb12u2fixed
trixie1.21.2-1fixed
sid1.21.3-3fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
krb5sourcesqueeze1.8.3+dfsg-4squeeze1
krb5source(unstable)1.8.3+dfsg-6low618517

Notes

[lenny] - krb5 <no-dsa> (Will be fixed through a point update)

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