CVE-2011-1529

NameCVE-2011-1529
DescriptionThe lookup_lockout_policy function in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.8 through 1.8.4 and 1.9 through 1.9.1, when the db2 (aka Berkeley DB) or LDAP back end is used, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via vectors that trigger certain process_as_req errors.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDSA-2379-1
NVD severityhigh (attack range: remote)
Debian Bugs646367

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
krb5 (PTS)wheezy1.10.1+dfsg-5+deb7u7fixed
wheezy (security)1.10.1+dfsg-5+deb7u8fixed
jessie1.12.1+dfsg-19+deb8u4fixed
jessie (security)1.12.1+dfsg-19+deb8u2fixed
stretch1.15-1+deb9u1fixed
buster, sid1.15.2-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
krb5source(unstable)1.10+dfsg~alpha1-1low646367
krb5sourcelenny(not affected)
krb5sourcesqueeze1.8.3+dfsg-4squeeze5highDSA-2379-1

Notes

[lenny] - krb5 <not-affected> (Introduced in 1.8)

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