Kerberos KDC ASN.1 error handling double-free code execution
| kerberos-kdc-double-free (17157) |  High Risk |
Description:
Kerberos could allow a remote attacker to execute arbitrary code on the system, caused by multiple a double-free vulnerabilities in the ASN.1 error handling code. A remote attacker could exploit this vulnerability to execute arbitrary code on the vulnerable system.
Platforms Affected:
- Apple, Mac OS X 10.2.8
- Apple, Mac OS X 10.3.6
- Apple, Mac OS X Server 10.2.8
- Apple, Mac OS X Server 10.3.6
- Canonical, Ubuntu 4.10
- Canonical, Ubuntu 5.04
- Conectiva, Linux 10
- Conectiva, Linux 9.0
- Debian, Debian Linux 3.0
- Debian, Debian Linux 3.1
- Gentoo, Linux
- MandrakeSoft, Mandrake Linux 10.0
- MandrakeSoft, Mandrake Linux 10.0 AMD64
- MandrakeSoft, Mandrake Linux 10.1 X86_64
- MandrakeSoft, Mandrake Linux 10.1
- MandrakeSoft, Mandrake Linux 9.1 PPC
- MandrakeSoft, Mandrake Linux 9.1
- MandrakeSoft, Mandrake Linux 9.2
- MandrakeSoft, Mandrake Linux 9.2 AMD64
- MandrakeSoft, Mandrake Linux LE2005 X86_64
- MandrakeSoft, Mandrake Linux LE2005
- MandrakeSoft, Mandrake Linux Corporate Server 2.1 X86_64
- MandrakeSoft, Mandrake Linux Corporate Server 2.1
- MandrakeSoft, Mandrake Linux Corporate Server 3.0 X86_64
- MandrakeSoft, Mandrake Linux Corporate Server 3.0
- MandrakeSoft, Mandrake Multi Network Firewall 2.0
- MandrakeSoft, Mandrake Multi Network Firewall 8.2
- MIT, Kerberos 5-1.0
- MIT, Kerberos 5-1.1
- MIT, Kerberos 5-1.2
- MIT, Kerberos 5-1.2.1
- MIT, Kerberos 5-1.2.2
- MIT, Kerberos 5-1.2.3
- MIT, Kerberos 5-1.2.4
- MIT, Kerberos 5-1.2.5
- MIT, Kerberos 5-1.2.6
- MIT, Kerberos 5-1.2.7
- MIT, Kerberos 5-1.2.8
- MIT, Kerberos 5-1.3
- MIT, Kerberos 5-1.3.1
- MIT, Kerberos 5-1.3.2
- MIT, Kerberos 5-1.3.3
- MIT, Kerberos 5-1.3.4
- OpenPKG, OpenPKG 2.0
- OpenPKG, OpenPKG 2.1
- OpenPKG, OpenPKG CURRENT
- RedHat, Enterprise Linux 2.1 AW
- RedHat, Enterprise Linux 2.1 WS
- RedHat, Enterprise Linux 2.1 AS
- RedHat, Enterprise Linux 2.1 ES
- RedHat, Enterprise Linux 3 WS
- RedHat, Enterprise Linux 3 ES
- RedHat, Enterprise Linux 3 AS
- RedHat, Enterprise Linux 3 Desktop
- RedHat, Enterprise Linux 4 Desktop
- RedHat, Enterprise Linux 4 WS
- RedHat, Enterprise Linux 4 ES
- RedHat, Enterprise Linux 4 AS
- RedHat, Linux Advanced Workstation 2.1 Itanium
- Sun, Solaris 9 x86
- Sun, Solaris 9 SPARC
- Turbolinux, Turbolinux 10 Desktop
- Turbolinux, Turbolinux 10 F...
- Turbolinux, Turbolinux 10 Server
- Turbolinux, Turbolinux 8 Server
- Turbolinux, Turbolinux Appliance Server 1.0
- Turbolinux, Turbolinux Home
- Turbolinux, Turbolinux Appliance Server 1.0 Hosting Ed
- Turbolinux, Turbolinux Appliance Server 1.0 Workgroup Ed
Remedy:
Upgrade to the latest version of MIT Kerberos 5 (krb5-1.3.5 or later), when it becomes available, from the MIT Kerberos Web page. See References.
For Red Hat Linux:
Refer to RHSA-2005:562-15 for patch, upgrade, or suggested workaround information. See References.
For Debian GNU/Linux 3.0 (alias woody):
Upgrade to the latest MIT Kerberos 5 package (1.2.4-5woody6 or later), as listed in DSA-543-1. See References.
For Mandrake Linux:
Upgrade to the latest MIT Kerberos 5 package, as listed below. Refer to MandrakeSoft Security Advisory MDKSA-2004:088 : krb5 for more information. See References.
Mandrake Linux 9.1: 1.2.7-1.4.91mdk or later
Mandrake Linux 9.2: 1.3-3.3.92mdk or later
Mandrake Linux Multi Network Firewall 8.2: 1.2.2-17.8.M82mdk or later
Mandrake Linux Corporate Server 2.1: 1.2.5-1.7.C21mdk or later
Mandrake Linux 10.0: 1.3-6.3.100mdk or later
For Sun Solaris:
Apply the appropriate patch for your system, as listed below. Refer to Sun Alert ID: 57631 for more information. See References.
SPARC Platform:
Solaris 9 with patch 112908-16 or later
x86 Platform:
Solaris 9 with patch 115168-05 or later
For Gentoo Linux:
Upgrade to the latest version of MIT Kerberos 5 (1.3.4 or later), as listed in GLSA 200409-09. See References.
For Conectiva Linux:
Upgrade to the latest krb5 package, as listed below. Refer to Conectiva Linux Security Announcement CLSA-2004:860 for more information. See References.
Conectiva Linux 9: 1.2.7-28721U90_3cl or later
Conectiva Linux 10.0: 1.3.3-62470U10_2cl or later
For OpenPKG:
Upgrade to the latest kerberos package, as listed in OpenPKG Security Advisory OpenPKG-SA-2004.039. See References.
OpenPKG CURRENT:1.3.4-20040730 or later
OpenPKG 2.1:1.3.4-2.1.0 or later
OpenPKG 2.0 :1.3.1-2.0.1 or later
For Turbolinux:
Upgrade to the latest krb5 package, as listed below. Refer to Turbolinux Security Advisory TLSA-2004-22 for more information. See References.
Turbolinux Appliance Server 1.0 Hosting Edition,Turbolinux Appliance Server 1.0 Workgroup Edition, Turbolinux 10 Desktop, and Turbolinux 8 Server: 1.2.5-15 or later
For Mac OS:
Apply Security Update 2004-12-02, as listed in AppleCare Knowledge Base Document 61798. See References.
For Ubuntu Linux:
Refer to USN-224-1 for patch, upgrade, or suggested workaround information. See References.
For other distributions:
Contact your vendor for upgrade or patch information.
Consequences:
Gain Access
References:
- AppleCare Knowledge Base Document 61798, Security Update 2004-12-02 at http://docs.info.apple.com/article.html?artnum=61798.
- CIAC Information Bulletin P-049, Apple Security Update 2004-12-02 at http://www.ciac.org/ciac/bulletins/p-049.shtml.
- Cisco Security Advisory 2004 August 31 1830 UTC (GMT), Vulnerabilities in Kerberos 5 Implementation at http://www.cisco.com/warp/public/707/cisco-sa-20040831-krb5.shtml.
- Conectiva Linux Security Announcement CLSA-2004:860, Multiple vulnerabilities in Kerberos 5 at http://distro.conectiva.com.br/atualizacoes/index.php?id=a&anuncio=000860.
- MIT Kerberos Web site, Kerberos: The Network Authentication Protocol at http://web.mit.edu/kerberos/.
- MIT krb5 Security Advisory 2004-002, double-free vulnerabilities in KDC and libraries at http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2004-002-dblfree.txt.
- Sun Alert ID: 57631, Security Vulnerabilities in the Kerberos Key Distribution Center (KDC) Daemon and Kerberos V5 Libraries at http://sunsolve.sun.com/search/document.do?assetkey=1-26-57631-1&searchclause=.
- Sun Alert ID: 57631, Security Vulnerabilities in the Kerberos Key Distribution Center (KDC) Daemon and Kerberos V5 Libraries at http://sunsolve.sun.com/search/document.do?assetkey=1-26-57631-1&searchclause=.
- BID-11078: MIT Kerberos 5 Multiple Double-Free Vulnerabilities
- CVE-2004-0642: Double free vulnerabilities in the error handling code for ASN.1 decoders in the (1) Key Distribution Center (KDC) library and (2) client library for MIT Kerberos 5 (krb5) 1.3.4 and earlier may allow remote attackers to execute arbitrary code.
- DSA-543: krb5 -- several vulnerabilities
- GLSA-200409-09: MIT krb5: Multiple vulnerabilities
- MDKSA-2004:088: Updated krb5 packages fix multiple vulnerabilities
- OpenPKG-SA-2004.039: kerberos
- RHSA-2004-350: krb5 security update
- RHSA-2004-448: krb5 security update
- SA16041: Kerberos V5 Multiple Vulnerabilities
Reported:
Aug 31, 2004
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