Executive Summary

Informations
Name CVE-2009-0846 First vendor Publication 2009-04-08
Vendor Cve Last vendor Modification 2020-01-21

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:C/I:C/A:C)
Cvss Base Score 10 Attack Range Network
Cvss Impact Score 10 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

The asn1_decode_generaltime function in lib/krb5/asn.1/asn1_decode.c in the ASN.1 GeneralizedTime decoder in MIT Kerberos 5 (aka krb5) before 1.6.4 allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via vectors involving an invalid DER encoding that triggers a free of an uninitialized pointer.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0846

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-20 Improper Input Validation

OVAL Definitions

Definition Id: oval:org.mitre.oval:def:10694
 
Oval ID: oval:org.mitre.oval:def:10694
Title: The asn1_decode_generaltime function in lib/krb5/asn.1/asn1_decode.c in the ASN.1 GeneralizedTime decoder in MIT Kerberos 5 (aka krb5) before 1.6.4 allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via vectors involving an invalid DER encoding that triggers a free of an uninitialized pointer.
Description: The asn1_decode_generaltime function in lib/krb5/asn.1/asn1_decode.c in the ASN.1 GeneralizedTime decoder in MIT Kerberos 5 (aka krb5) before 1.6.4 allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via vectors involving an invalid DER encoding that triggers a free of an uninitialized pointer.
Family: unix Class: vulnerability
Reference(s): CVE-2009-0846
Version: 5
Platform(s): Red Hat Enterprise Linux 3
CentOS Linux 3
Red Hat Enterprise Linux 4
CentOS Linux 4
Oracle Linux 4
Red Hat Enterprise Linux 5
CentOS Linux 5
Oracle Linux 5
Product(s):
Definition Synopsis:
Definition Id: oval:org.mitre.oval:def:13177
 
Oval ID: oval:org.mitre.oval:def:13177
Title: DSA-1766-1 krb5 -- several
Description: Several vulnerabilities have been found in the MIT reference implementation of Kerberos V5, a system for authenticating users and services on a network. The Common Vulnerabilities and Exposures project identified the following problems: The Apple Product Security team discovered that the SPNEGO GSS-API mechanism suffers of a missing bounds check when reading a network input buffer which results in an invalid read crashing the application or possibly leaking information. Under certain conditions the SPNEGO GSS-API mechanism references a null pointer which crashes the application using the library. An incorrect length check inside the ASN.1 decoder of the MIT krb5 implementation allows an unauthenticated remote attacker to crash of the kinit or KDC program. Under certain conditions the the ASN.1 decoder of the MIT krb5 implementation frees an uninitialised pointer which could lead to denial of service and possibly arbitrary code execution. For the oldstable distribution, this problem has been fixed in version 1.4.4-7etch7. For the stable distribution, this problem has been fixed in version 1.6.dfsg.4~beta1-5lenny1. For the testing distribution, this problem will be fixed soon. For the unstable distribution, this problem has been fixed in version 1.6.dfsg.4~beta1-13. We recommend that you upgrade your krb5 packages.
Family: unix Class: patch
Reference(s): DSA-1766-1
CVE-2009-0844
CVE-2009-0845
CVE-2009-0847
CVE-2009-0846
Version: 5
Platform(s): Debian GNU/Linux 5.0
Debian GNU/Linux 4.0
Product(s): krb5
Definition Synopsis:
Definition Id: oval:org.mitre.oval:def:22765
 
Oval ID: oval:org.mitre.oval:def:22765
Title: ELSA-2009:0408: krb5 security update (Important)
Description: The asn1_decode_generaltime function in lib/krb5/asn.1/asn1_decode.c in the ASN.1 GeneralizedTime decoder in MIT Kerberos 5 (aka krb5) before 1.6.4 allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via vectors involving an invalid DER encoding that triggers a free of an uninitialized pointer.
Family: unix Class: patch
Reference(s): ELSA-2009:0408-01
CVE-2009-0844
CVE-2009-0845
CVE-2009-0846
Version: 17
Platform(s): Oracle Linux 5
Product(s): krb5
Definition Synopsis:
Definition Id: oval:org.mitre.oval:def:28421
 
Oval ID: oval:org.mitre.oval:def:28421
Title: RHSA-2009:0408 -- krb5 security update (Important)
Description: Updated krb5 packages that fix various security issues 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 to each other using symmetric encryption and a trusted third party, the Key Distribution Center (KDC). The Generic Security Service Application Program Interface (GSS-API) definition provides security services to callers (protocols) in a generic fashion. The Simple and Protected GSS-API Negotiation (SPNEGO) mechanism is used by GSS-API peers to choose from a common set of security mechanisms. An input validation flaw was found in the ASN.1 (Abstract Syntax Notation One) decoder used by MIT Kerberos. A remote attacker could use this flaw to crash a network service using the MIT Kerberos library, such as kadmind or krb5kdc, by causing it to dereference or free an uninitialized pointer. (CVE-2009-0846)
Family: unix Class: patch
Reference(s): RHSA-2009:0408
CESA-2009:0408-CentOS 5
CVE-2009-0844
CVE-2009-0845
CVE-2009-0846
Version: 3
Platform(s): Red Hat Enterprise Linux 5
CentOS Linux 5
Product(s): krb5
Definition Synopsis:
Definition Id: oval:org.mitre.oval:def:5483
 
Oval ID: oval:org.mitre.oval:def:5483
Title: Kerberos ASN.1 GeneralizedTime Decoder Bug Lets Remote Users Execute Arbitrary Code
Description: The asn1_decode_generaltime function in lib/krb5/asn.1/asn1_decode.c in the ASN.1 GeneralizedTime decoder in MIT Kerberos 5 (aka krb5) before 1.6.4 allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via vectors involving an invalid DER encoding that triggers a free of an uninitialized pointer.
Family: unix Class: vulnerability
Reference(s): CVE-2009-0846
Version: 5
Platform(s): VMWare ESX Server 3
VMWare ESX Server 3.5
VMWare ESX Server 4.0
Product(s):
Definition Synopsis:
Definition Id: oval:org.mitre.oval:def:6301
 
Oval ID: oval:org.mitre.oval:def:6301
Title: HP-UX Running Kerberos, Remote Denial of Service (DoS), Execution of Arbitrary Code
Description: The asn1_decode_generaltime function in lib/krb5/asn.1/asn1_decode.c in the ASN.1 GeneralizedTime decoder in MIT Kerberos 5 (aka krb5) before 1.6.4 allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via vectors involving an invalid DER encoding that triggers a free of an uninitialized pointer.
Family: unix Class: vulnerability
Reference(s): CVE-2009-0846
Version: 9
Platform(s): HP-UX 11
Product(s):
Definition Synopsis:
Definition Id: oval:org.mitre.oval:def:8181
 
Oval ID: oval:org.mitre.oval:def:8181
Title: DSA-1766 krb5 -- several vulnerabilities
Description: Several vulnerabilities have been found in the MIT reference implementation of Kerberos V5, a system for authenticating users and services on a network. The Common Vulnerabilities and Exposures project identified the following problems: The Apple Product Security team discovered that the SPNEGO GSS-API mechanism suffers of a missing bounds check when reading a network input buffer which results in an invalid read crashing the application or possibly leaking information. Under certain conditions the SPNEGO GSS-API mechanism references a null pointer which crashes the application using the library. An incorrect length check inside the ASN.1 decoder of the MIT krb5 implementation allows an unauthenticated remote attacker to crash of the kinit or KDC program. Under certain conditions the ASN.1 decoder of the MIT krb5 implementation frees an uninitialised pointer which could lead to denial of service and possibly arbitrary code execution.
Family: unix Class: patch
Reference(s): DSA-1766
CVE-2009-0844
CVE-2009-0845
CVE-2009-0847
CVE-2009-0846
Version: 3
Platform(s): Debian GNU/Linux 5.0
Debian GNU/Linux 4.0
Product(s): krb5
Definition Synopsis:

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Application 36

OpenVAS Exploits

Date Description
2012-03-15 Name : VMSA-2010-0016 VMware ESXi and ESX third party updates for Service Console an...
File : nvt/gb_VMSA-2010-0016.nasl
2011-08-09 Name : CentOS Update for krb5-devel CESA-2009:0408 centos5 i386
File : nvt/gb_CESA-2009_0408_krb5-devel_centos5_i386.nasl
2011-08-09 Name : CentOS Update for krb5-devel CESA-2009:0409 centos4 i386
File : nvt/gb_CESA-2009_0409_krb5-devel_centos4_i386.nasl
2011-08-09 Name : CentOS Update for krb5 CESA-2009:0410-01 centos2 i386
File : nvt/gb_CESA-2009_0410-01_krb5_centos2_i386.nasl
2011-08-09 Name : CentOS Update for krb5-devel CESA-2009:0410 centos3 i386
File : nvt/gb_CESA-2009_0410_krb5-devel_centos3_i386.nasl
2010-05-12 Name : Mac OS X 10.5.7 Update / Mac OS X Security Update 2009-002
File : nvt/macosx_upd_10_5_7_secupd_2009-002.nasl
2010-02-03 Name : Solaris Update for kinit 141501-06
File : nvt/gb_solaris_141501_06.nasl
2010-02-03 Name : Solaris Update for kinit 141500-05
File : nvt/gb_solaris_141500_05.nasl
2009-12-14 Name : Mandriva Security Advisory MDVSA-2009:098-1 (krb5)
File : nvt/mdksa_2009_098_1.nasl
2009-11-17 Name : Mac OS X Version
File : nvt/macosx_version.nasl
2009-10-13 Name : Solaris Update for Supplemental Encryption Kerberos V5 112390-15
File : nvt/gb_solaris_112390_15.nasl
2009-10-13 Name : Solaris Update for pam_krb5.so.1 140130-10
File : nvt/gb_solaris_140130_10.nasl
2009-10-13 Name : Solaris Update for pam_krb5.so.1 140074-09
File : nvt/gb_solaris_140074_09.nasl
2009-10-13 Name : Solaris Update for krb5, gss 112908-36
File : nvt/gb_solaris_112908_36.nasl
2009-10-13 Name : Solaris Update for Supplemental Encryption Kerberos V5 112240-14
File : nvt/gb_solaris_112240_14.nasl
2009-10-13 Name : SLES10: Security update for Kerberos
File : nvt/sles10_krb5.nasl
2009-10-11 Name : SLES11: Security update for Kerberos
File : nvt/sles11_krb5.nasl
2009-09-23 Name : Solaris Update for krb5, gss 115168-21
File : nvt/gb_solaris_115168_21.nasl
2009-09-23 Name : Solaris Update for pam_krb5.so.1 140074-08
File : nvt/gb_solaris_140074_08.nasl
2009-09-23 Name : Solaris Update for pam_krb5.so.1 140130-09
File : nvt/gb_solaris_140130_09.nasl
2009-08-03 Name : HP-UX Update for Kerberos HPSBUX02421
File : nvt/gb_hp_ux_HPSBUX02421.nasl
2009-05-05 Name : Mandrake Security Advisory MDVSA-2009:098 (krb5)
File : nvt/mdksa_2009_098.nasl
2009-04-28 Name : CentOS Security Advisory CESA-2009:0409 (krb5)
File : nvt/ovcesa2009_0409.nasl
2009-04-15 Name : Ubuntu USN-755-1 (krb5)
File : nvt/ubuntu_755_1.nasl
2009-04-15 Name : CentOS Security Advisory CESA-2009:0410 (krb5)
File : nvt/ovcesa2009_0410.nasl
2009-04-15 Name : SuSE Security Advisory SUSE-SA:2009:019 (krb5)
File : nvt/suse_sa_2009_019.nasl
2009-04-15 Name : RedHat Security Advisory RHSA-2009:0408
File : nvt/RHSA_2009_0408.nasl
2009-04-15 Name : CentOS Security Advisory CESA-2009:0408 (krb5)
File : nvt/ovcesa2009_0408.nasl
2009-04-15 Name : Gentoo Security Advisory GLSA 200904-09 (mit-krb5)
File : nvt/glsa_200904_09.nasl
2009-04-15 Name : Fedora Core 10 FEDORA-2009-2852 (krb5)
File : nvt/fcore_2009_2852.nasl
2009-04-15 Name : Fedora Core 9 FEDORA-2009-2834 (krb5)
File : nvt/fcore_2009_2834.nasl
2009-04-15 Name : Debian Security Advisory DSA 1766-1 (krb5)
File : nvt/deb_1766_1.nasl
2009-04-15 Name : RedHat Security Advisory RHSA-2009:0410
File : nvt/RHSA_2009_0410.nasl
2009-04-15 Name : RedHat Security Advisory RHSA-2009:0409
File : nvt/RHSA_2009_0409.nasl

Open Source Vulnerability Database (OSVDB)

Id Description
53383 MIT Kerberos 5 (krb5) ASN.1 Decoder asn1_decode_generaltime() Function Remote...

Snort® IPS/IDS

Date Description
2014-01-10 MIT Kerberos asn1_decode_generaltime uninitialized pointer free attempt
RuleID : 17741 - Revision : 5 - Type : SERVER-OTHER

Nessus® Vulnerability Scanner

Date Description
2016-03-03 Name : The remote host is missing a security-related patch.
File : vmware_VMSA-2009-0008_remote.nasl - Type : ACT_GATHER_INFO
2014-11-26 Name : The remote OracleVM host is missing a security update.
File : oraclevm_OVMSA-2009-0008.nasl - Type : ACT_GATHER_INFO
2014-11-26 Name : The remote OracleVM host is missing one or more security updates.
File : oraclevm_OVMSA-2009-0003.nasl - Type : ACT_GATHER_INFO
2013-07-12 Name : The remote Oracle Linux host is missing one or more security updates.
File : oraclelinux_ELSA-2009-0410.nasl - Type : ACT_GATHER_INFO
2013-07-12 Name : The remote Oracle Linux host is missing one or more security updates.
File : oraclelinux_ELSA-2009-0409.nasl - Type : ACT_GATHER_INFO
2013-07-12 Name : The remote Oracle Linux host is missing one or more security updates.
File : oraclelinux_ELSA-2009-0408.nasl - Type : ACT_GATHER_INFO
2012-08-01 Name : The remote Scientific Linux host is missing one or more security updates.
File : sl_20090407_krb5_on_SL4_x.nasl - Type : ACT_GATHER_INFO
2012-08-01 Name : The remote Scientific Linux host is missing one or more security updates.
File : sl_20090407_krb5_on_SL3_x.nasl - Type : ACT_GATHER_INFO
2012-01-04 Name : The remote server is affected by a signature validation bypass vulnerability.
File : openssl_0_9_8j.nasl - Type : ACT_GATHER_INFO
2010-11-16 Name : The remote VMware ESXi / ESX host is missing one or more security-related pat...
File : vmware_VMSA-2010-0016.nasl - Type : ACT_GATHER_INFO
2010-01-06 Name : The remote CentOS host is missing one or more security updates.
File : centos_RHSA-2009-0409.nasl - Type : ACT_GATHER_INFO
2010-01-06 Name : The remote CentOS host is missing one or more security updates.
File : centos_RHSA-2009-0408.nasl - Type : ACT_GATHER_INFO
2009-10-05 Name : The remote HP-UX host is missing a security-related patch.
File : hpux_PHSS_39765.nasl - Type : ACT_GATHER_INFO
2009-10-05 Name : The remote HP-UX host is missing a security-related patch.
File : hpux_PHSS_39766.nasl - Type : ACT_GATHER_INFO
2009-10-05 Name : The remote HP-UX host is missing a security-related patch.
File : hpux_PHSS_39774.nasl - Type : ACT_GATHER_INFO
2009-09-24 Name : The remote SuSE 10 host is missing a security-related patch.
File : suse_krb5-6140.nasl - Type : ACT_GATHER_INFO
2009-09-24 Name : The remote SuSE 11 host is missing one or more security updates.
File : suse_11_krb5-090406.nasl - Type : ACT_GATHER_INFO
2009-07-27 Name : The remote VMware ESX host is missing a security-related patch.
File : vmware_VMSA-2009-0008.nasl - Type : ACT_GATHER_INFO
2009-07-21 Name : The remote openSUSE host is missing a security update.
File : suse_11_0_krb5-090406.nasl - Type : ACT_GATHER_INFO
2009-07-21 Name : The remote openSUSE host is missing a security update.
File : suse_11_1_krb5-090406.nasl - Type : ACT_GATHER_INFO
2009-05-13 Name : The remote host is missing a Mac OS X update that fixes various security issues.
File : macosx_SecUpd2009-002.nasl - Type : ACT_GATHER_INFO
2009-05-13 Name : The remote host is missing a Mac OS X update that fixes various security issues.
File : macosx_10_5_7.nasl - Type : ACT_GATHER_INFO
2009-04-28 Name : The remote Mandriva Linux host is missing one or more security updates.
File : mandriva_MDVSA-2009-098.nasl - Type : ACT_GATHER_INFO
2009-04-23 Name : The remote Fedora host is missing a security update.
File : fedora_2009-2852.nasl - Type : ACT_GATHER_INFO
2009-04-23 Name : The remote Ubuntu host is missing one or more security-related patches.
File : ubuntu_USN-755-1.nasl - Type : ACT_GATHER_INFO
2009-04-11 Name : The remote Gentoo host is missing one or more security-related patches.
File : gentoo_GLSA-200904-09.nasl - Type : ACT_GATHER_INFO
2009-04-09 Name : The remote openSUSE host is missing a security update.
File : suse_krb5-6139.nasl - Type : ACT_GATHER_INFO
2009-04-09 Name : The remote Debian host is missing a security-related update.
File : debian_DSA-1766.nasl - Type : ACT_GATHER_INFO
2009-04-08 Name : The remote Red Hat host is missing one or more security updates.
File : redhat-RHSA-2009-0410.nasl - Type : ACT_GATHER_INFO
2009-04-08 Name : The remote Red Hat host is missing one or more security updates.
File : redhat-RHSA-2009-0409.nasl - Type : ACT_GATHER_INFO
2009-04-08 Name : The remote Red Hat host is missing one or more security updates.
File : redhat-RHSA-2009-0408.nasl - Type : ACT_GATHER_INFO
2009-04-08 Name : The remote Fedora host is missing a security update.
File : fedora_2009-2834.nasl - Type : ACT_GATHER_INFO
2009-04-08 Name : The remote CentOS host is missing one or more security updates.
File : centos_RHSA-2009-0410.nasl - Type : ACT_GATHER_INFO

Sources (Detail)

Source Url
APPLE http://lists.apple.com/archives/security-announce/2009/May/msg00002.html
BID http://www.securityfocus.com/bid/34409
BUGTRAQ http://www.securityfocus.com/archive/1/502527/100/0/threaded
http://www.securityfocus.com/archive/1/502546/100/0/threaded
http://www.securityfocus.com/archive/1/504683/100/0/threaded
CERT http://www.us-cert.gov/cas/techalerts/TA09-133A.html
CERT-VN http://www.kb.cert.org/vuls/id/662091
CONFIRM http://support.apple.com/kb/HT3549
http://support.avaya.com/elmodocs2/security/ASA-2009-142.htm
http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2009-002.txt
http://wiki.rpath.com/Advisories:rPSA-2009-0058
http://www-01.ibm.com/support/docview.wss?uid=swg21396120
http://www.vmware.com/security/advisories/VMSA-2009-0008.html
FEDORA https://www.redhat.com/archives/fedora-package-announce/2009-April/msg00205.html
https://www.redhat.com/archives/fedora-package-announce/2009-April/msg00206.html
GENTOO http://security.gentoo.org/glsa/glsa-200904-09.xml
HP http://marc.info/?l=bugtraq&m=124896429301168&w=2
http://marc.info/?l=bugtraq&m=130497213107107&w=2
MANDRIVA http://www.mandriva.com/security/advisories?name=MDVSA-2009:098
MISC http://support.novell.com/docs/Readmes/InfoDocument/patchbuilder/readme_50471...
http://support.novell.com/docs/Readmes/InfoDocument/patchbuilder/readme_50471...
http://wiki.rpath.com/wiki/Advisories:rPSA-2009-0058
MLIST http://lists.vmware.com/pipermail/security-announce/2009/000059.html
OVAL https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.ova...
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.ova...
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.ova...
REDHAT http://rhn.redhat.com/errata/RHSA-2009-0409.html
http://rhn.redhat.com/errata/RHSA-2009-0410.html
http://www.redhat.com/support/errata/RHSA-2009-0408.html
SECTRACK http://www.securitytracker.com/id?1021994
SECUNIA http://secunia.com/advisories/34594
http://secunia.com/advisories/34598
http://secunia.com/advisories/34617
http://secunia.com/advisories/34622
http://secunia.com/advisories/34628
http://secunia.com/advisories/34630
http://secunia.com/advisories/34637
http://secunia.com/advisories/34640
http://secunia.com/advisories/34734
http://secunia.com/advisories/35074
http://secunia.com/advisories/35667
SUNALERT http://sunsolve.sun.com/search/document.do?assetkey=1-26-256728-1
UBUNTU http://www.ubuntu.com/usn/usn-755-1
VUPEN http://www.vupen.com/english/advisories/2009/0960
http://www.vupen.com/english/advisories/2009/0976
http://www.vupen.com/english/advisories/2009/1057
http://www.vupen.com/english/advisories/2009/1106
http://www.vupen.com/english/advisories/2009/1297
http://www.vupen.com/english/advisories/2009/2084
http://www.vupen.com/english/advisories/2009/2248

Alert History

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Date Informations
2021-05-04 12:09:14
  • Multiple Updates
2021-04-22 01:09:35
  • Multiple Updates
2020-05-23 00:23:28
  • Multiple Updates
2019-03-18 12:02:03
  • Multiple Updates
2018-10-11 00:19:32
  • Multiple Updates
2017-09-29 09:24:07
  • Multiple Updates
2016-04-26 18:41:17
  • Multiple Updates
2016-03-04 13:26:24
  • Multiple Updates
2014-11-27 13:27:28
  • Multiple Updates
2014-02-17 10:49:09
  • Multiple Updates
2014-01-19 21:25:44
  • Multiple Updates
2013-05-10 23:45:48
  • Multiple Updates