krb5 -- multiple denial of service vulnerabilities

Two vulnerabilities in krb5 can be used by remote attackers in denial of service attacks. The MIT security advisories report this as follows: An unauthenticated remote attacker can send an invalid request to a KDC process that will cause it to crash due to an assertion failure, creating a denial ...

Null pointer dereference

The Key Distribution Center KDC in Kerberos in Microsoft Windows 2000 SP4, Server 2003 SP2, and Server 2008 Gold and SP2, when a trust relationship with a non-Windows Kerberos realm exists, allows remote authenticated users to cause a denial of service NULL pointer dereference and domain controll...

CVE-2010-0035

The Key Distribution Center KDC in Kerberos in Microsoft Windows 2000 SP4, Server 2003 SP2, and Server 2008 Gold and SP2, when a trust relationship with a non-Windows Kerberos realm exists, allows remote authenticated users to cause a denial of service NULL pointer dereference and domain controll...

CentOS Update for krb5-devel CESA-2010:0029 centos3 i386

Check for the Version of krb5-devel OpenVAS Vulnerability Test CentOS Update for krb5-devel CESA-2010:0029 centos3 i386 Authors: System Generated Check Copyright: Copyright c 2010 Greenbone Networks GmbH, http://www.greenbone.net This program is free software; you can redistribute it and/or modif...

CentOS Update for krb5-devel CESA-2010:0029 centos3 x86_64

Check for the Version of krb5-devel OpenVAS Vulnerability Test CentOS Update for krb5-devel CESA-2010:0029 centos3 x8664 Authors: System Generated Check Copyright: Copyright c 2010 Greenbone Networks GmbH, http://www.greenbone.net This program is free software; you can redistribute it and/or modi...

CentOS Update for krb5-devel CESA-2010:0029 centos3 i386

Check for the Version of krb5-devel OpenVAS Vulnerability Test CentOS Update for krb5-devel CESA-2010:0029 centos3 i386 Authors: System Generated Check Copyright: Copyright c 2010 Greenbone Networks GmbH, http://www.greenbone.net This program is free software; you can redistribute it and/or modif...

CVE-2010-0014

System Security Services Daemon SSSD before 1.0.1, when the krb5 authprovider is configured but the KDC is unreachable, allows physically proximate attackers to authenticate, via an arbitrary password, to the screen-locking program on a workstation that has any user's Kerberos ticket-granting...

CVE-2010-0014

System Security Services Daemon SSSD before 1.0.1, when the krb5 authprovider is configured but the KDC is unreachable, allows physically proximate attackers to authenticate, via an arbitrary password, to the screen-locking program on a workstation that has any user's Kerberos ticket-granting...

krb5 security update

CentOS Errata and Security Advisory CESA-2010:0029 Updated krb5 packages that fix multiple security issues are now available for Red Hat Enterprise Linux 3, 4, and 5, and Red Hat Enterprise Linux 4.7, 5.2, and 5.3 Extended Update Support. This update has been rated as having critical security...

Fedora SSSD Kerberos验证安全绕过漏洞

Bugraq ID: 37747 CVE ID：CVE-2010-0014 Fedora是一款基于linux内核的发行版本。 当sssd配置使用Kerberos进行校验时在域段中设置authprovider = krb5，在如下条件下可接收任意密码作为合法密码使用： -系统离线的情况下，如KDC配置的krb5kdcip选项没有启用到。 -尝试验证的用户在Kerberos realm中拥有一个合法TGT，并且在凭据缓存文件中设置了krb5realm选项。 RedHat SSSD 1.0.0-2 RedHat SSSD 1.0.0-1 RedHat SSSD 0.99.1-1 RedHat...

Ubuntu 6.06 LTS / 8.04 LTS / 8.10 / 9.04 / 9.10 : krb5 vulnerability (USN-881-1)

It was discovered that Kerberos did not correctly handle invalid AES blocks. An unauthenticated remote attacker could send specially crafted traffic that would crash the KDC service, leading to a denial of service, or possibly execute arbitrary code with root privileges. Note that Tenable Network...

USN-881-1: Kerberos vulnerability

It was discovered that Kerberos did not correctly handle invalid AES blocks. An unauthenticated remote attacker could send specially crafted traffic that would crash the KDC service, leading to a denial of service, or possibly execute arbitrary code with root privileges...

MIT Kerberos V5 Malformed Authentication Double Free (CVE-2005-1689)

Kerberos is a protocol suite which allows for the negotiation of authenticated, and optionally encrypted, communication between two points on a network. MIT Kerberos V5 is an implementation of this protocol suite. There exists a double free vulnerability in the authentication function of the MIT...

krb5 security update

1.6.1-36.el54.1 - add candidate patch to correct KDC integer overflows which could be triggered by malformed RC4 and AES ciphertexts CVE-2009-4212, 546347...

CentOS 5 : krb5 (CESA-2007:0892)

Updated krb5 packages that correct a security flaw are now available for Red Hat Enterprise Linux 5. This update has been rated as having important security impact by the Red Hat Security Response Team. Kerberos is a network authentication system which allows clients and servers to authenticate t...

CVE-2009-3295

The prepreprocessreq function in kdc/dotgsreq.c in the cross-realm referral implementation in the Key Distribution Center KDC in MIT Kerberos 5 aka krb5 1.7 before 1.7.1 allows remote attackers to cause a denial of service NULL pointer dereference and daemon crash via a ticket request...

Null pointer dereference

The prepreprocessreq function in kdc/dotgsreq.c in the cross-realm referral implementation in the Key Distribution Center KDC in MIT Kerberos 5 aka krb5 1.7 before 1.7.1 allows remote attackers to cause a denial of service NULL pointer dereference and daemon crash via a ticket request...

CVE-2009-3295

The prepreprocessreq function in kdc/dotgsreq.c in the cross-realm referral implementation in the Key Distribution Center KDC in MIT Kerberos 5 aka krb5 1.7 before 1.7.1 allows remote attackers to cause a denial of service NULL pointer dereference and daemon crash via a ticket request...

MITKRB5-SA-2009-003 [CVE-2009-3295] KDC denial of service in cross-realm referral processing

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 MITKRB5-SA-2009-003 MIT krb5 Security Advisory 2009-003 Original release: 2009-12-28 Last update: 2009-12-28 Topic: KDC denial of service in cross-realm referral processing CVE-2009-3295 KDC denial of service in cross-realm referral processing CVSSv2...

MIT Kerberos KDC跨域Referral空指针引用拒绝服务漏洞

BUGTRAQ ID: 37486 CVE ID: CVE-2009-3295 Kerberos是一款广泛使用的使用强壮的加密来验证客户端和服务器端的网络协议。MIT Kerberos 5是一种常用的开源Kerberos实现。 krb5的KDC跨域referral处理代码中存在空指针引用漏洞，未经认证的远程攻击者可以通过发送特制请求导致KDC崩溃。 MIT Kerberos 5 1.7 临时解决方法： 通过使用nohostreferral = 设置禁用域referral功能： kdcdefaults nohostreferral = 或者 realms EXAMPLE.COM =...