Executive Summary
This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
| Informations | |||
|---|---|---|---|
| Name | MDVSA-2014:165 | First vendor Publication | 2014-09-02 |
| Vendor | Mandriva | Last vendor Modification | 2014-09-02 |
| Severity (Vendor) | N/A | Revision | N/A |
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:M/Au:S/C:C/I:C/A:C) | |||
|---|---|---|---|
| Cvss Base Score | 8.5 | Attack Range | Network |
| Cvss Impact Score | 10 | Attack Complexity | Medium |
| Cvss Expoit Score | 6.8 | Authentication | Requires single instance |
| Calculate full CVSS 2.0 Vectors scores | |||
Detail
| 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 pointer dereference, while processing invalid SPNEGO tokens (CVE-2014-4344). In MIT Kerberos 5, when kadmind is configured to use LDAP for the KDC database, an authenticated remote attacker can cause it to perform an out-of-bounds write (buffer overflow) (CVE-2014-4345). |
Original Source
| Url : http://www.mandriva.com/security/advisories?name=MDVSA-2014:165 |
CWE : Common Weakness Enumeration
| % | Id | Name |
|---|---|---|
| 25 % | CWE-476 | NULL Pointer Dereference |
| 25 % | CWE-189 | Numeric Errors (CWE/SANS Top 25) |
| 25 % | CWE-125 | Out-of-bounds Read |
| 25 % | CWE-119 | Failure to Constrain Operations within the Bounds of a Memory Buffer |
OVAL Definitions
| Definition Id: oval:org.mitre.oval:def:25491 | |||
| Oval ID: | oval:org.mitre.oval:def:25491 | ||
| Title: | DSA-3000-1 krb5 - security update | ||
| Description: | Several vulnerabilities were discovered in krb5, the MIT implementation of Kerberos. | ||
| Family: | unix | Class: | patch |
| Reference(s): | DSA-3000-1 CVE-2014-4341 CVE-2014-4342 CVE-2014-4343 CVE-2014-4344 CVE-2014-4345 | Version: | 3 |
| Platform(s): | Debian GNU/Linux 7.0 Debian GNU/kFreeBSD 7.0 | Product(s): | krb5 |
| Definition Synopsis: | |||
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| Definition Id: oval:org.mitre.oval:def:25901 | |||
| Oval ID: | oval:org.mitre.oval:def:25901 | ||
| Title: | SUSE-SU-2014:1028-1 -- Security update for krb5 | ||
| Description: | This MIT krb5 update fixes a buffer overrun problem in kadmind. | ||
| Family: | unix | Class: | patch |
| Reference(s): | SUSE-SU-2014:1028-1 CVE-2014-4345 | Version: | 3 |
| Platform(s): | SUSE Linux Enterprise Server 11 SUSE Linux Enterprise Desktop 11 | Product(s): | krb5 |
| Definition Synopsis: | |||
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| Definition Id: oval:org.mitre.oval:def:26718 | |||
| Oval ID: | oval:org.mitre.oval:def:26718 | ||
| Title: | RHSA-2014:1255: krb5 security update (Moderate) | ||
| Description: | Kerberos is an authentication system which allows clients and services to authenticate to each other with the help of a trusted third party, a Kerberos Key Distribution Center (KDC). A buffer overflow was found in the KADM5 administration server (kadmind) when it was used with an LDAP back end for the KDC database. A remote, authenticated attacker could potentially use this flaw to execute arbitrary code on the system running kadmind. (CVE-2014-4345) All krb5 users are advised to upgrade to these updated packages, which contain a backported patch to correct this issue. After installing the updated packages, the krb5kdc and kadmind daemons will be restarted automatically. | ||
| Family: | unix | Class: | patch |
| Reference(s): | RHSA-2014:1255-00 CVE-2014-4345 CESA-2014:1255 | Version: | 5 |
| Platform(s): | Red Hat Enterprise Linux 5 CentOS Linux 5 | Product(s): | krb5 |
| Definition Synopsis: | |||
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| Definition Id: oval:org.mitre.oval:def:26722 | |||
| Oval ID: | oval:org.mitre.oval:def:26722 | ||
| Title: | AIX NAS null deref in SPNEGO acceptor | ||
| Description: | The acc_ctx_cont function in the SPNEGO acceptor in lib/gssapi/spnego/spnego_mech.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 during a SPNEGO negotiation. | ||
| Family: | unix | Class: | vulnerability |
| Reference(s): | CVE-2014-4344 | Version: | 4 |
| Platform(s): | IBM AIX 6.1 IBM AIX 7.1 | Product(s): | |
| Definition Synopsis: | |||
| Definition Id: oval:org.mitre.oval:def:26777 | |||
| Oval ID: | oval:org.mitre.oval:def:26777 | ||
| Title: | RHSA-2014:1245: krb5 security and bug fix update (Moderate) | ||
| Description: | Kerberos is an authentication system which allows clients and services to authenticate to each other with the help of a trusted third party, a Kerberos Key Distribution Center (KDC). It was found that if a KDC served multiple realms, certain requests could cause the setup_server_realm() function to dereference a NULL pointer. A remote, unauthenticated attacker could use this flaw to crash the KDC using a specially crafted request. (CVE-2013-1418, CVE-2013-6800) 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. (CVE-2014-4344) A buffer over-read flaw was found in the way MIT Kerberos handled certain requests. A man-in-the-middle attacker with a valid Kerberos ticket who is able to inject packets into a client or server application's GSSAPI session could use this flaw to crash the application. (CVE-2014-4341) This update also fixes the following bugs: * Prior to this update, the libkrb5 library occasionally attempted to free already freed memory when encrypting credentials. As a consequence, the calling process terminated unexpectedly with a segmentation fault. With this update, libkrb5 frees memory correctly, which allows the credentials to be encrypted appropriately and thus prevents the mentioned crash. (BZ#1004632) * Previously, when the krb5 client library was waiting for a response from a server, the timeout variable in certain cases became a negative number. Consequently, the client could enter a loop while checking for responses. With this update, the client logic has been modified and the described error no longer occurs. (BZ#1089732) All krb5 users are advised to upgrade to these updated packages, which contain backported patches to correct these issues. After installing the updated packages, the krb5kdc daemon will be restarted automatically. | ||
| Family: | unix | Class: | patch |
| Reference(s): | RHSA-2014:1245-00 CVE-2013-1418 CVE-2013-6800 CVE-2014-4341 CVE-2014-4344 CESA-2014:1245 | Version: | 5 |
| Platform(s): | Red Hat Enterprise Linux 5 CentOS Linux 5 | Product(s): | krb5 |
| Definition Synopsis: | |||
| |||
| Definition Id: oval:org.mitre.oval:def:26809 | |||
| Oval ID: | oval:org.mitre.oval:def:26809 | ||
| Title: | SUSE-SU-2014:0989-1 -- Security update for krb5 | ||
| Description: | The several security issues have been fixed in kerberos 5. | ||
| Family: | unix | Class: | patch |
| Reference(s): | SUSE-SU-2014:0989-1 CVE-2014-4341 CVE-2014-4342 CVE-2014-4343 CVE-2014-4344 | Version: | 3 |
| Platform(s): | SUSE Linux Enterprise Server 11 SUSE Linux Enterprise Desktop 11 | Product(s): | krb5 |
| Definition Synopsis: | |||
| |||
| Definition Id: oval:org.mitre.oval:def:26856 | |||
| Oval ID: | oval:org.mitre.oval:def:26856 | ||
| Title: | ELSA-2014-1255 -- krb5 security update (Moderate) | ||
| Description: | Kerberos is an authentication system which allows clients and services to authenticate to each other with the help of a trusted third party, a Kerberos Key Distribution Center (KDC). A buffer overflow was found in the KADM5 administration server (kadmind) when it was used with an LDAP back end for the KDC database. A remote, authenticated attacker could potentially use this flaw to execute arbitrary code on the system running kadmind. (CVE-2014-4345) All krb5 users are advised to upgrade to these updated packages, which contain a backported patch to correct this issue. After installing the updated packages, the krb5kdc and kadmind daemons will be restarted automatically. | ||
| Family: | unix | Class: | patch |
| Reference(s): | ELSA-2014-1255 CVE-2014-4345 | Version: | 3 |
| Platform(s): | Oracle Linux 5 | Product(s): | krb5 |
| Definition Synopsis: | |||
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| Definition Id: oval:org.mitre.oval:def:26907 | |||
| Oval ID: | oval:org.mitre.oval:def:26907 | ||
| Title: | DEPRECATED: SUSE-SU-2014:1028-1 -- Security update for krb5 | ||
| Description: | This MIT krb5 update fixes a buffer overrun problem in kadmind. | ||
| Family: | unix | Class: | patch |
| Reference(s): | SUSE-SU-2014:1028-1 CVE-2014-4345 | Version: | 4 |
| Platform(s): | SUSE Linux Enterprise Server 11 SUSE Linux Enterprise Desktop 11 | Product(s): | krb5 |
| Definition Synopsis: | |||
| |||
| Definition Id: oval:org.mitre.oval:def:26912 | |||
| Oval ID: | oval:org.mitre.oval:def:26912 | ||
| Title: | AIX NAS denial of service vulnerability | ||
| Description: | MIT Kerberos 5 (aka krb5) before 1.12.2 allows remote attackers to cause a denial of service (buffer over-read and application crash) by injecting invalid tokens into a GSSAPI application session. | ||
| Family: | unix | Class: | vulnerability |
| Reference(s): | CVE-2014-4341 | Version: | 4 |
| Platform(s): | IBM AIX 6.1 IBM AIX 7.1 | Product(s): | |
| Definition Synopsis: | |||
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| Definition Id: oval:org.mitre.oval:def:26917 | |||
| Oval ID: | oval:org.mitre.oval:def:26917 | ||
| Title: | RHSA-2014:1389: krb5 security and bug fix update (Moderate) | ||
| Description: | Kerberos is a networked authentication system which allows clients and servers to authenticate to each other with the help of a trusted third party, the Kerberos KDC. It was found that if a KDC served multiple realms, certain requests could cause the setup_server_realm() function to dereference a NULL pointer. A remote, unauthenticated attacker could use this flaw to crash the KDC using a specially crafted request. (CVE-2013-1418, CVE-2013-6800) 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. (CVE-2014-4344) A buffer overflow was found in the KADM5 administration server (kadmind) when it was used with an LDAP back end for the KDC database. A remote, authenticated attacker could potentially use this flaw to execute arbitrary code on the system running kadmind. (CVE-2014-4345) Two buffer over-read flaws were found in the way MIT Kerberos handled certain requests. A remote, unauthenticated attacker who is able to inject packets into a client or server application's GSSAPI session could use either of these flaws to crash the application. (CVE-2014-4341, CVE-2014-4342) 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. (CVE-2014-4343) These updated krb5 packages also include several bug fixes. Space precludes documenting all of these changes in this advisory. Users are directed to the Red Hat Enterprise Linux 6.6 Technical Notes, linked to in the References section, for information on the most significant of these changes. All krb5 users are advised to upgrade to these updated packages, which contain backported patches to correct these issues. | ||
| Family: | unix | Class: | patch |
| Reference(s): | RHSA-2014:1389-01 CVE-2013-1418 CVE-2013-6800 CVE-2014-4341 CVE-2014-4342 CVE-2014-4343 CVE-2014-4344 CVE-2014-4345 CESA-2014:1389 | Version: | 5 |
| Platform(s): | Red Hat Enterprise Linux 6 CentOS Linux 6 | Product(s): | krb5 |
| Definition Synopsis: | |||
| |||
| Definition Id: oval:org.mitre.oval:def:27019 | |||
| Oval ID: | oval:org.mitre.oval:def:27019 | ||
| Title: | DEPRECATED: SUSE-SU-2014:0989-1 -- Security update for krb5 | ||
| Description: | The several security issues have been fixed in kerberos 5. | ||
| Family: | unix | Class: | patch |
| Reference(s): | SUSE-SU-2014:0989-1 CVE-2014-4341 CVE-2014-4342 CVE-2014-4343 CVE-2014-4344 | Version: | 4 |
| Platform(s): | SUSE Linux Enterprise Server 11 SUSE Linux Enterprise Desktop 11 | Product(s): | krb5 |
| Definition Synopsis: | |||
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CPE : Common Platform Enumeration
Snort® IPS/IDS
| Date | Description |
|---|---|
| 2016-03-14 | MIT Kerberos 5 IAKERB outbound token detected RuleID : 36816 - Revision : 5 - Type : SERVER-OTHER |
| 2016-03-14 | MIT Kerberos 5 SPNEGO incoming token detected RuleID : 36815 - Revision : 5 - Type : SERVER-OTHER |
| 2016-03-14 | MIT Kerberos 5 SPNEGO acceptor acc_ctx_cont denial of service attempt RuleID : 36814 - Revision : 5 - Type : SERVER-OTHER |
Nessus® Vulnerability Scanner
| Date | Description |
|---|---|
| 2018-01-11 | Name : The remote device is missing a vendor-supplied security patch. File : f5_bigip_SOL15552.nasl - Type : ACT_GATHER_INFO |
| 2015-03-26 | Name : The remote Scientific Linux host is missing one or more security updates. File : sl_20150305_krb5_on_SL7_x.nasl - Type : ACT_GATHER_INFO |
| 2015-03-26 | Name : The remote Debian host is missing a security update. File : debian_DLA-37.nasl - Type : ACT_GATHER_INFO |
| 2015-03-18 | Name : The remote CentOS host is missing one or more security updates. File : centos_RHSA-2015-0439.nasl - Type : ACT_GATHER_INFO |
| 2015-03-13 | Name : The remote Oracle Linux host is missing one or more security updates. File : oraclelinux_ELSA-2015-0439.nasl - Type : ACT_GATHER_INFO |
| 2015-03-05 | Name : The remote Red Hat host is missing one or more security updates. File : redhat-RHSA-2015-0439.nasl - Type : ACT_GATHER_INFO |
| 2015-02-26 | Name : The remote FreeBSD host is missing a security-related update. File : freebsd_pkg_dbf9e66cbd5011e4a7ba206a8a720317.nasl - Type : ACT_GATHER_INFO |
| 2015-01-19 | Name : The remote Solaris system is missing a security patch for third-party software. File : solaris11_kerberos_20141120.nasl - Type : ACT_GATHER_INFO |
| 2015-01-19 | Name : The remote Solaris system is missing a security patch for third-party software. File : solaris11_kerberos_20141216.nasl - Type : ACT_GATHER_INFO |
| 2015-01-02 | Name : The remote Gentoo host is missing one or more security-related patches. File : gentoo_GLSA-201412-53.nasl - Type : ACT_GATHER_INFO |
| 2014-11-26 | Name : The remote OracleVM host is missing a security update. File : oraclevm_OVMSA-2014-0034.nasl - Type : ACT_GATHER_INFO |
| 2014-11-18 | Name : The remote Amazon Linux AMI host is missing a security update. File : ala_ALAS-2014-443.nasl - Type : ACT_GATHER_INFO |
| 2014-11-12 | Name : The remote CentOS host is missing one or more security updates. File : centos_RHSA-2014-1389.nasl - Type : ACT_GATHER_INFO |
| 2014-11-04 | Name : The remote Scientific Linux host is missing one or more security updates. File : sl_20141014_krb5_on_SL6_x.nasl - Type : ACT_GATHER_INFO |
| 2014-10-17 | Name : The remote Oracle Linux host is missing one or more security updates. File : oraclelinux_ELSA-2014-1389.nasl - Type : ACT_GATHER_INFO |
| 2014-10-14 | Name : The remote CentOS host is missing one or more security updates. File : centos_RHSA-2014-1255.nasl - Type : ACT_GATHER_INFO |
| 2014-10-14 | Name : The remote Scientific Linux host is missing one or more security updates. File : sl_20140916_krb5_on_SL5_x.nasl - Type : ACT_GATHER_INFO |
| 2014-10-14 | Name : The remote Red Hat host is missing one or more security updates. File : redhat-RHSA-2014-1389.nasl - Type : ACT_GATHER_INFO |
| 2014-10-10 | Name : The remote device is missing a vendor-supplied security patch. File : f5_bigip_SOL15547.nasl - Type : ACT_GATHER_INFO |
| 2014-10-01 | Name : The remote CentOS host is missing one or more security updates. File : centos_RHSA-2014-1245.nasl - Type : ACT_GATHER_INFO |
| 2014-09-18 | Name : The remote Red Hat host is missing one or more security updates. File : redhat-RHSA-2014-1255.nasl - Type : ACT_GATHER_INFO |
| 2014-09-18 | Name : The remote Oracle Linux host is missing one or more security updates. File : oraclelinux_ELSA-2014-1255.nasl - Type : ACT_GATHER_INFO |
| 2014-09-18 | Name : The remote Oracle Linux host is missing one or more security updates. File : oraclelinux_ELSA-2014-1245.nasl - Type : ACT_GATHER_INFO |
| 2014-09-16 | Name : The remote Red Hat host is missing one or more security updates. File : redhat-RHSA-2014-1245.nasl - Type : ACT_GATHER_INFO |
| 2014-09-12 | Name : The remote Mandriva Linux host is missing one or more security updates. File : mandriva_MDVSA-2014-165.nasl - Type : ACT_GATHER_INFO |
| 2014-09-04 | Name : The remote AIX host has a version of NAS installed that is affected by multip... File : aix_nas_advisory1.nasl - Type : ACT_GATHER_INFO |
| 2014-08-27 | Name : The remote Fedora host is missing a security update. File : fedora_2014-9305.nasl - Type : ACT_GATHER_INFO |
| 2014-08-21 | Name : The remote openSUSE host is missing a security update. File : openSUSE-2014-508.nasl - Type : ACT_GATHER_INFO |
| 2014-08-16 | Name : The remote SuSE 11 host is missing one or more security updates. File : suse_11_krb5-140812.nasl - Type : ACT_GATHER_INFO |
| 2014-08-15 | Name : The remote Fedora host is missing a security update. File : fedora_2014-9315.nasl - Type : ACT_GATHER_INFO |
| 2014-08-12 | Name : The remote Ubuntu host is missing one or more security-related patches. File : ubuntu_USN-2310-1.nasl - Type : ACT_GATHER_INFO |
| 2014-08-12 | Name : The remote SuSE 11 host is missing one or more security updates. File : suse_11_krb5-140729.nasl - Type : ACT_GATHER_INFO |
| 2014-08-12 | Name : The remote openSUSE host is missing a security update. File : openSUSE-2014-486.nasl - Type : ACT_GATHER_INFO |
| 2014-08-10 | Name : The remote Debian host is missing a security-related update. File : debian_DSA-3000.nasl - Type : ACT_GATHER_INFO |
| 2014-08-08 | Name : The remote Fedora host is missing a security update. File : fedora_2014-8176.nasl - Type : ACT_GATHER_INFO |
| 2014-08-08 | Name : The remote Fedora host is missing a security update. File : fedora_2014-8189.nasl - Type : ACT_GATHER_INFO |
Alert History
| Date | Informations |
|---|---|
| 2014-09-13 13:43:10 |
|
| 2014-09-02 17:21:46 |
|
