low
3.5
CWE
476
Advisory Published
CVE Published
Updated

CVE-2014-5353: Null Pointer Dereference

First published: Mon Dec 15 2014(Updated: )

The krb5_ldap_get_password_policy_from_dn function in plugins/kdb/ldap/libkdb_ldap/ldap_pwd_policy.c in MIT Kerberos 5 (aka krb5) before 1.13.1, when the KDC uses LDAP, allows remote authenticated users to cause a denial of service (daemon crash) via a successful LDAP query with no results, as demonstrated by using an incorrect object type for a password policy.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
MIT Kerberos 5<1.13.1
Redhat Enterprise Linux Desktop=6.0
Redhat Enterprise Linux Eus=6.6
Redhat Enterprise Linux Eus=7.3
Redhat Enterprise Linux Eus=7.4
Redhat Enterprise Linux Eus=7.5
Redhat Enterprise Linux Eus=7.6
Redhat Enterprise Linux Eus=7.7
Redhat Enterprise Linux Server=6.0
Redhat Enterprise Linux Server=7.0
Redhat Enterprise Linux Server Aus=6.6
Redhat Enterprise Linux Server Aus=7.3
Redhat Enterprise Linux Server Aus=7.4
Redhat Enterprise Linux Server Aus=7.6
Redhat Enterprise Linux Server Aus=7.7
Redhat Enterprise Linux Server Tus=6.6
Redhat Enterprise Linux Server Tus=7.3
Redhat Enterprise Linux Server Tus=7.6
Redhat Enterprise Linux Server Tus=7.7
Redhat Enterprise Linux Workstation=6.0
Fedoraproject Fedora=22
Debian Debian Linux=7.0
Canonical Ubuntu Linux=10.04
Canonical Ubuntu Linux=12.04
Canonical Ubuntu Linux=14.04
Canonical Ubuntu Linux=14.10
Oracle Solaris=10
Oracle Solaris=11.2
openSUSE openSUSE=13.1
openSUSE openSUSE=13.2
debian/krb5<=1.8.3+dfsg-4squeeze7<=1.8.3+dfsg-4
debian/krb5
1.18.3-6+deb11u4
1.18.3-6+deb11u5
1.20.1-2+deb12u1
1.20.1-2+deb12u2
1.21.3-3

Remedy

https://github.com/krb5/krb5/commit/d1f707024f1d0af6e54a18885322d70fa15ec4d3

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