CVE-2015-8630

NameCVE-2015-8630
DescriptionThe (1) kadm5_create_principal_3 and (2) kadm5_modify_principal functions in lib/kadm5/srv/svr_principal.c in kadmind in MIT Kerberos 5 (aka krb5) 1.12.x and 1.13.x before 1.13.4 and 1.14.x before 1.14.1 allow remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) by specifying KADM5_POLICY with a NULL policy name.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium (attack range: remote)
Debian Bugs813127

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
jessie (security), jessie1.12.1+dfsg-19+deb8u2fixed
stretch1.15-1+deb9u1fixed
buster, sid1.15.1-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
krb5source(unstable)1.13.2+dfsg-5medium813127
krb5sourcejessie1.12.1+dfsg-19+deb8u2medium
krb5sourcesqueeze(not affected)
krb5sourcewheezy(not affected)

Notes

[wheezy] - krb5 <not-affected> (Vulnerability introduced in 1.12)
[squeeze] - krb5 <not-affected> (Vulnerability introduced in 1.12)
Fixed by: https://github.com/krb5/krb5/commit/b863de7fbf080b15e347a736fdda0a82d42f4f6b
Introduced by: https://github.com/krb5/krb5/commit/0780e46fc13dbafa177525164997cd204cc50b51 (krb5-1.12-alpha1)

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