Null pointer dereference

The lookuplockoutpolicy 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...

Improper Input Validation

Overview Affected versions of this package are vulnerable to Improper Input Validation. The lookuplockoutpolicy 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...

CVE-2011-1528

The krb5ldaplockoutaudit 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 LDAP back end is used, allows remote attackers to cause a denial of service assertion failure and daemon exit via unspecified vectors, related to the...

CVE-2011-4151

The krb5db2lockoutaudit function in the Key Distribution Center KDC in MIT Kerberos 5 aka krb5 1.8 through 1.8.4, when the db2 aka Berkeley DB back end is used, allows remote attackers to cause a denial of service assertion failure and daemon exit via unspecified vectors, a different vulnerabilit...

CVE-2011-1527

The kdbldap plugin in the Key Distribution Center KDC in MIT Kerberos 5 aka krb5 1.9 through 1.9.1, when the LDAP back end is used, allows remote attackers to cause a denial of service NULL pointer dereference and daemon crash via a kinit operation with incorrect string case for the realm, relate...

Ubuntu 10.04 LTS / 10.10 / 11.04 / 11.10 : krb5 vulnerabilities (USN-1233-1)

Nalin Dahyabhai, Andrej Ota and Kyle Moffett discovered a NULL pointer dereference in the KDC LDAP backend. An unauthenticated remote attacker could use this to cause a denial of service. This issue affected Ubuntu 11.10. CVE-2011-1527 Mark Deneen discovered that an assert could be triggered in t...

USN-1233-1: Kerberos Vulnerabilities

Nalin Dahyabhai, Andrej Ota and Kyle Moffett discovered a NULL pointer dereference in the KDC LDAP backend. An unauthenticated remote attacker could use this to cause a denial of service. This issue affected Ubuntu 11.10. CVE-2011-1527 Mark Deneen discovered that an assert could be triggered in t...

CVE-2011-1527

The kdbldap plugin in the Key Distribution Center KDC in MIT Kerberos 5 aka krb5 1.9 through 1.9.1, when the LDAP back end is used, allows remote attackers to cause a denial of service NULL pointer dereference and daemon crash via a kinit operation with incorrect string case for the realm, relate...

CentOS Update for krb5-devel CESA-2011:0199 centos5 i386

The remote host is missing an update for the SPDX-FileCopyrightText: 2011 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription scriptxrefname:"URL",...

MIT Kerberos KDC Cross Realm Referral Denial of Service (CVE-2009-3295)

Kerberos is a protocol that allows for the negotiation of an authenticated, and optionally encrypted, communication channel between two points on a network. A denial of service vulnerability has been reported in MIT's Kerberos. The vulnerability is due to a NULL pointer dereference in the KDC...

MIT Kerberos KDC Authentication Denial of Service (CVE-2010-0283)

Kerberos is a protocol that allows for the negotiation of an authenticated, and optionally encrypted, communication channel between two points on a network. Kerberos authentication is performed using authentication tokens called tickets. When using Kerberos to establish authenticated...

openSUSE Security Update : krb5 (krb5-4163)

A double-free issue in kdc when PKINIT is enabled allowed remote attackers to crash the daemon or potentially execute arbitrary code CVE-2011-0284. %NASLMINLEVEL 70300 C Tenable Network Security, Inc. The descriptive text and package checks in this plugin were extracted from openSUSE Security...

FreeBSD : krb5 -- MITKRB5-SA-2011-002, KDC vulnerable to hang when using LDAP back end (4ab413ea-66ce-11e0-bf05-d445f3aa24f0)

An advisory published by the MIT Kerberos team says : The MIT krb5 Key Distribution Center KDC daemon is vulnerable to denial of service attacks from unauthenticated remote attackers. CVE-2011-0281 and CVE-2011-0282 occur only in KDCs using LDAP back ends, but CVE-2011-0283 occurs in all krb5-1.9...

FreeBSD : krb5 -- MITKRB5-SA-2011-003, KDC vulnerable to double-free when PKINIT enabled (7edac52a-66cd-11e0-9398-5d45f3aa24f0)

An advisory published by the MIT Kerberos team says : The MIT Kerberos 5 Key Distribution Center KDC daemon is vulnerable to a double-free condition if the Public Key Cryptography for Initial Authentication PKINIT capability is enabled, resulting in daemon crash or arbitrary code execution which ...

Fedora 13 : krb5-1.7.1-18.fc13 (2011-3464)

This update incorporates upstream fixes for a double-free in the KDC which could occur if the KDC needed to send back typed-data along with an error MITKRB5-SA-2011-003, CVE-2011-0284. Note that Tenable Network Security has extracted the preceding description block directly from the Fedora securi...

Ubuntu: Security Advisory (USN-1088-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2011 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Mandriva Linux Security Advisory : krb5 (MDVSA-2011:048)

A vulnerability was discovered and corrected in krb5 : The MIT Kerberos 5 Key Distribution Center KDC daemon is vulnerable to a double-free condition if the Public Key Cryptography for Initial Authentication PKINIT capability is enabled, resulting in daemon crash or arbitrary code execution which...

Double free

Double free vulnerability in the prepareerroras function in doasreq.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 edat...

Important: Red Hat Security Advisory: krb5 security update

Updated krb5 packages that fix one security issue are now available for Red Hat Enterprise Linux 6. The Red Hat Security Response Team has rated this update as having important security impact. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

krb5 security update

1.8.2-3.6 - add revised upstream patch to fix double-free in KDC while returning typed-data with errors CVE-2011-0284, 681564 1.8.2-3.5 - add upstream patches to fix double-free in KDC while returning typed-data with errors CVE-2011-0284, 681564...