Kerberos Multi-realm KDC NULL Pointer Dereference Denial of Service (CVE-2013-1418)

A denial of service vulnerability has been reported in Kerberos. The vulnerability is due to a NULL pointer dereference within the setupserverrealm function when Kerberos is configured to serve multiple realms. A remote attacker can exploit this vulnerability by sending a malicious request to a...

Mandriva Linux Security Advisory : krb5 (MDVSA-2012:120)

A vulnerability has been discovered and corrected in krb5 : The MIT krb5 KDC Key Distribution Center daemon can free an uninitialized pointer while processing an unusual AS-REQ, corrupting the process heap and possibly causing the daemon to abnormally terminate. An attacker could use this...

CVE-2012-1015

The kdchandleprotectednegotiation function in the Key Distribution Center KDC in MIT Kerberos 5 aka krb5 1.8.x, 1.9.x before 1.9.5, and 1.10.x before 1.10.3 attempts to calculate a checksum before verifying that the key type is appropriate for a checksum, which allows remote attackers to execute...

CVE-2012-1014

The processasreq function in the Key Distribution Center KDC in MIT Kerberos 5 aka krb5 1.10.x before 1.10.3 does not initialize a certain structure member, which allows remote attackers to cause a denial of service uninitialized pointer dereference and daemon crash or possibly execute arbitrary...

DEBIAN-CVE-2012-1015

The kdchandleprotectednegotiation function in the Key Distribution Center KDC in MIT Kerberos 5 aka krb5 1.8.x, 1.9.x before 1.9.5, and 1.10.x before 1.10.3 attempts to calculate a checksum before verifying that the key type is appropriate for a checksum, which allows remote attackers to execute...

CVE-2012-1014

CVE-2012-1014 – MIT Kerberos 5 (krb5) : The KDC’s process_as_req in krb5 1.10.x before 1.10.3 fails to initialize a structure member, enabling an uninitialized pointer dereference that can cause denial of service or potentially allow code execution via a malformed AS-REQ. Public details in connec...

CVE-2012-1015

The kdchandleprotectednegotiation function in the Key Distribution Center KDC in MIT Kerberos 5 aka krb5 1.8.x, 1.9.x before 1.9.5, and 1.10.x before 1.10.3 attempts to calculate a checksum before verifying that the key type is appropriate for a checksum, which allows remote attackers to execute...

MITKRB5-SA-2012-001: KDC heap corruption and crash [CVE-2012-1014 CVE-2012-1015]

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 MITKRB5-SA-2012-001 MIT krb5 Security Advisory 2012-001 Original release: 2012-07-31 Topic: KDC heap corruption and crash vulnerabilities CVE-2012-1015: KDC frees uninitialized pointer CVSSv2 Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C/E:POC/RL:OF/RC:C CVSSv2...

Mandriva Update for krb5 MDVSA-2012:120 (krb5)

Check for the Version of krb5 OpenVAS Vulnerability Test Mandriva Update for krb5 MDVSA-2012:120 krb5 Authors: System Generated Check Copyright: Copyright c 2012 Greenbone Networks GmbH, http://www.greenbone.net This program is free software; you can redistribute it and/or modify it under the ter...

Scientific Linux Security Update : krb5 on SL6.x i386/x86_64 (20120731)

Kerberos is a network authentication system which allows clients and servers to authenticate to each other using symmetric encryption and a trusted third party, the Key Distribution Center KDC. An uninitialized pointer use flaw was found in the way the MIT Kerberos KDC handled initial...

Important: krb5

Issue Overview: An uninitialized pointer use flaw was found in the way the MIT Kerberos KDC handled initial authentication requests AS-REQ. A remote, unauthenticated attacker could use this flaw to crash the KDC via a specially-crafted AS-REQ request. CVE-2012-1015 A NULL pointer dereference flaw...

RedHat Update for krb5 RHSA-2012:1131-01

Check for the Version of krb5 OpenVAS Vulnerability Test RedHat Update for krb5 RHSA-2012:1131-01 Authors: System Generated Check Copyright: Copyright c 2012 Greenbone Networks GmbH, http://www.greenbone.net This program is free software; you can redistribute it and/or modify it under the terms o...

RedHat Update for krb5 RHSA-2012:1131-01

The remote host is missing an update for the SPDX-FileCopyrightText: 2012 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",...

Scientific Linux Security Update : pam_krb5 on SL5.x i386/x86_64

A flaw was found in pamkrb5. In some non-default configurations specifically, those where pamkrb5 would be the first module to prompt for a password, the text of the password prompt varied based on whether or not the username provided was a username known to the system. A remote attacker could us...

Scientific Linux Security Update : krb5 on SL6.x i386/x86_64

Kerberos is a network authentication system which allows clients and servers to authenticate to each other using symmetric encryption and a trusted third party, the Key Distribution Center KDC. Multiple NULL pointer dereference and assertion failure flaws were found in the MIT Kerberos KDC when i...

RHEL 6 : krb5 (RHSA-2012:1131)

Updated krb5 packages that fix two security issues are now available for Red Hat Enterprise Linux 6. The Red Hat Security Response Team has rated this update as having important security impact. Common Vulnerability Scoring System CVSS base scores, which give detailed severity ratings, are...

Scientific Linux Security Update : krb5 on SL6.x i386/x86_64

An uninitialized pointer use flaw was found in the way the MIT Kerberos KDC handled TGS Ticket-granting Server request messages. A remote, authenticated attacker could use this flaw to crash the KDC or, possibly, disclose KDC memory or execute arbitrary code with the privileges of the KDC krb5kdc...

Scientific Linux Security Update : krb5 on SL6.x i386/x86_64

Kerberos is a network authentication system which allows clients and servers to authenticate to each other using symmetric encryption and a trusted third party, the Key Distribution Center KDC. A NULL pointer dereference flaw was found in the way the MIT Kerberos KDC processed certain TGS...

Debian DSA-2518-1 : krb5 - denial of service and remote code execution

Emmanuel Bouillon from NCI Agency discovered multiple vulnerabilities in MIT Kerberos, a daemon implementing the network authentication protocol. - CVE-2012-1014 By sending specially crafted AS-REQ Authentication Service Request to a KDC Key Distribution Center, an attacker could make it free an...

Scientific Linux Security Update : krb5 on SL5.x i386/x86_64

A use-after-free flaw was discovered in the MIT Kerberos administration daemon, kadmind. A remote, authenticated attacker could use this flaw to crash the kadmind daemon. Administrative privileges are not required to trigger this flaw, as any realm user can request information about their own...