krb5: double-free flaw in SPNEGO initiators

A double-free flaw was found in the MIT Kerberos SPNEGO initiators. An attacker able to spoof packets to appear as though they are from an GSSAPI acceptor could use this flaw to crash a client application that uses MIT Kerberos...

krb5: NULL pointer dereference flaw in SPNEGO acceptor for continuation tokens

A NULL pointer dereference flaw was found in the MIT Kerberos SPNEGO acceptor for continuation tokens. A remote, unauthenticated attacker could use this flaw to crash a GSSAPI-enabled server application...

AIX NAS vulnerability

IBM SECURITY ADVISORY First Issued:Tue Jan 20 04:42:45 CST 2015 The most recent version of this document is available here: http://aix.software.ibm.com/aix/efixes/security/nasadvisory2.asc https://aix.software.ibm.com/aix/efixes/security/nasadvisory2.asc...

Oracle Linux 6 : krb5 (ELSA-2014-1389)

The remote Oracle Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2014-1389 advisory. - incorporate fix for MITKRB5-SA-2014-001 CVE-2014-4345, 1128157 - gssapi: pull in upstream fix for a possible NULL dereference in spnego CVE-2014-4344...

krb5: double-free flaw in SPNEGO initiators

A double-free flaw was found in the MIT Kerberos SPNEGO initiators. An attacker able to spoof packets to appear as though they are from an GSSAPI acceptor could use this flaw to crash a client application that uses MIT Kerberos...

krb5: NULL pointer dereference flaw in SPNEGO acceptor for continuation tokens

A NULL pointer dereference flaw was found in the MIT Kerberos SPNEGO acceptor for continuation tokens. A remote, unauthenticated attacker could use this flaw to crash a GSSAPI-enabled server application...

krb5 security and bug fix update

1.6.1-78.el5 - gssapi: pull in upstream fix for a possible NULL dereference in spnego CVE-2014-4344, 1121509 1.6.1-77.el5 - fix what appears to be a cosmetic error in the patch for self-tests for CVE-2014-4341 1.6.1-76.el5 - run the backported self-tests, such as they are, for CVE-2014-4341...

MIT Kerberos SPNEGO Acceptor acc_ctx_cont Denial of Service (CVE-2014-4344)

A denial-of-service vulnerability exists in the MIT Kerberos 5. The vulnerability is due to a NULL pointer dereference in accctxcont in SPNEGO Acceptor for continuation tokens. A remote, unauthenticated attacker can exploit this vulnerability by sending an empty token as the second or later conte...

AIX NAS Advisory : nas_advisory1.asc

The version of the Network Authentication Service NAS installed on the remote AIX host is affected by the following vulnerabilities related to Kerberos 5 : - An attacker can cause a denial of service buffer over-read and application crash by injecting invalid tokens into a GSSAPI application...

Multiple Security vulnerabilities in IBM NAS

IBM SECURITY ADVISORY First Issued : Thu Aug 28 03:15:00 CDT 2014 | Updated: Fri Sep 5 01:11:34 CDT 2014 | Update: The same ifix with a packaging change has been added in | Update: "A. FIXES" section. The most recent version of this document is available here:...

Updated krb5 package fixes security vulnerabilities

MIT Kerberos 5 allows attackers to cause a denial of service via a buffer over-read or NULL pointer dereference, by injecting invalid tokens into a GSSAPI application session CVE-2014-4341, CVE-2014-4342. MIT Kerberos 5 allows attackers to cause a denial of service via a double-free flaw or NULL...

DEBIAN-CVE-2014-4343

Double free vulnerability in the initctxreselect function in the SPNEGO initiator in lib/gssapi/spnego/spnegomech.c in MIT Kerberos 5 aka krb5 1.10.x through 1.12.x before 1.12.2 allows remote attackers to cause a denial of service memory corruption or possibly execute arbitrary code via network...

CVE-2014-4343

Double free vulnerability in the initctxreselect function in the SPNEGO initiator in lib/gssapi/spnego/spnegomech.c in MIT Kerberos 5 aka krb5 1.10.x through 1.12.x before 1.12.2 allows remote attackers to cause a denial of service memory corruption or possibly execute arbitrary code via network...

CVE-2014-4344

The accctxcont function in the SPNEGO acceptor in lib/gssapi/spnego/spnegomech.c in MIT Kerberos 5 aka krb5 1.5.x through 1.12.x before 1.12.2 allows remote attackers to cause a denial of service NULL pointer dereference and application crash via an empty continuation token at a certain point...

CVE-2014-4344

The accctxcont function in the SPNEGO acceptor in lib/gssapi/spnego/spnegomech.c in MIT Kerberos 5 aka krb5 1.5.x through 1.12.x before 1.12.2 allows remote attackers to cause a denial of service NULL pointer dereference and application crash via an empty continuation token at a certain point...

DEBIAN-CVE-2014-4344

The accctxcont function in the SPNEGO acceptor in lib/gssapi/spnego/spnegomech.c in MIT Kerberos 5 aka krb5 1.5.x through 1.12.x before 1.12.2 allows remote attackers to cause a denial of service NULL pointer dereference and application crash via an empty continuation token at a certain point...

Null pointer dereference

The accctxcont function in the SPNEGO acceptor in lib/gssapi/spnego/spnegomech.c in MIT Kerberos 5 aka krb5 1.5.x through 1.12.x before 1.12.2 allows remote attackers to cause a denial of service NULL pointer dereference and application crash via an empty continuation token at a certain point...

Double free

Double free vulnerability in the initctxreselect function in the SPNEGO initiator in lib/gssapi/spnego/spnegomech.c in MIT Kerberos 5 aka krb5 1.10.x through 1.12.x before 1.12.2 allows remote attackers to cause a denial of service memory corruption or possibly execute arbitrary code via network...

CVE-2014-4344

The accctxcont function in the SPNEGO acceptor in lib/gssapi/spnego/spnegomech.c in MIT Kerberos 5 aka krb5 1.5.x through 1.12.x before 1.12.2 allows remote attackers to cause a denial of service NULL pointer dereference and application crash via an empty continuation token at a certain point...

CVE-2014-4343

CVE-2014-4343 is a double-free flaw in MIT Kerberos SPNEGO: the SPNEGO initiator’s init_ctx_reselect can be corrupted by crafted traffic from an impersonating acceptor, leading to memory corruption or denial of service and potentially code execution. Affected: MIT Kerberos 5 (krb5) 1.10.x through...