Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Informations
Name CVE-2011-5000 First vendor Publication 2012-04-05
Vendor Cve Last vendor Modification 2012-07-22

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:N/I:N/A:P)
Cvss Base Score 3.5 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Medium
Cvss Expoit Score 6.8 Authentication Requires single instance
Calculate full CVSS 2.0 Vectors scores

Detail

The ssh_gssapi_parse_ename function in gss-serv.c in OpenSSH 5.8 and earlier, when gssapi-with-mic authentication is enabled, allows remote authenticated users to cause a denial of service (memory consumption) via a large value in a certain length field. NOTE: there may be limited scenarios in which this issue is relevant.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-5000

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-189 Numeric Errors (CWE/SANS Top 25)

OVAL Definitions

Definition Id: oval:org.mitre.oval:def:21581
 
Oval ID: oval:org.mitre.oval:def:21581
Title: RHSA-2012:0884: openssh security, bug fix, and enhancement update (Low)
Description: The ssh_gssapi_parse_ename function in gss-serv.c in OpenSSH 5.8 and earlier, when gssapi-with-mic authentication is enabled, allows remote authenticated users to cause a denial of service (memory consumption) via a large value in a certain length field. NOTE: there may be limited scenarios in which this issue is relevant.
Family: unix Class: patch
Reference(s): RHSA-2012:0884-04
CESA-2012:0884
CVE-2011-5000
 Version: 4
Platform(s): Red Hat Enterprise Linux 6
CentOS Linux 6
 Product(s): openssh
Definition Synopsis:
Definition Id: oval:org.mitre.oval:def:23663
 
Oval ID: oval:org.mitre.oval:def:23663
Title: ELSA-2012:0884: openssh security, bug fix, and enhancement update (Low)
Description: The ssh_gssapi_parse_ename function in gss-serv.c in OpenSSH 5.8 and earlier, when gssapi-with-mic authentication is enabled, allows remote authenticated users to cause a denial of service (memory consumption) via a large value in a certain length field. NOTE: there may be limited scenarios in which this issue is relevant.
Family: unix Class: patch
Reference(s): ELSA-2012:0884-04
CVE-2011-5000
 Version: 6
Platform(s): Oracle Linux 6
 Product(s): openssh
Definition Synopsis:
Definition Id: oval:org.mitre.oval:def:27843
 
Oval ID: oval:org.mitre.oval:def:27843
Title: DEPRECATED: ELSA-2012-0884 -- openssh security, bug fix, and enhancement update (low)
Description: [5.3p1-81] - fixes in openssh-5.3p1-required-authentications.patch (#657378) [5.3p1-79] - fix forward on non-localhost ports with IPv6 (#732955) [5.3p1-78] - clear SELinux exec context before exec passwd (#814691) [5.3p1-77] - prevent post-auth resource exhaustion (#809938) [5.3p1-76] - don't escape backslah in a banner (#809619) [5.3p1-75] - fix various issues in openssh-5.3p1-required-authentications.patch (#805901) [5.3p1-74] - fix out-of-memory killer patch (#744236) [5.3p1-73] - remove openssh-4.3p2-no-v6only.patch (#732955) - adjust Linux out-of-memory killer (#744236) - fix sshd init script - check existence of crypto (#797384) - add RequiredAuthentications[12] (#657378) - run privsep slave process as the users SELinux context (#798241) [5.3p1-72] - drop CAVS test driver (#782091) [5.3p1-71] - enable aes-ctr ciphers use the EVP engines from OpenSSL such as the AES-NI (#756929) - add CAVS test driver for the aes-ctr ciphers (#782091)
Family: unix Class: patch
Reference(s): ELSA-2012-0884
CVE-2011-5000
 Version: 4
Platform(s): Oracle Linux 6
 Product(s): openssh
Definition Synopsis:

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 117

OpenVAS Exploits

Date Description
2012-07-30 Name : CentOS Update for openssh CESA-2012:0884 centos6
File : nvt/gb_CESA-2012_0884_openssh_centos6.nasl
2012-06-22 Name : RedHat Update for openssh RHSA-2012:0884-04
File : nvt/gb_RHSA-2012_0884-04_openssh.nasl

Nessus® Vulnerability Scanner

Date Description
2014-05-12 Name : The remote Gentoo host is missing one or more security-related patches.
File : gentoo_GLSA-201405-06.nasl - Type : ACT_GATHER_INFO
2013-09-04 Name : The remote Amazon Linux AMI host is missing a security update.
File : ala_ALAS-2012-99.nasl - Type : ACT_GATHER_INFO
2013-07-12 Name : The remote Oracle Linux host is missing one or more security updates.
File : oraclelinux_ELSA-2012-0884.nasl - Type : ACT_GATHER_INFO
2013-01-25 Name : The remote SuSE 11 host is missing one or more security updates.
File : suse_11_openssh-120813.nasl - Type : ACT_GATHER_INFO
2012-08-28 Name : The remote SuSE 10 host is missing a security-related patch.
File : suse_openssh-8248.nasl - Type : ACT_GATHER_INFO
2012-08-01 Name : The remote Scientific Linux host is missing one or more security updates.
File : sl_20120620_openssh_on_SL6_x.nasl - Type : ACT_GATHER_INFO
2012-07-11 Name : The remote CentOS host is missing one or more security updates.
File : centos_RHSA-2012-0884.nasl - Type : ACT_GATHER_INFO
2012-06-20 Name : The remote Red Hat host is missing one or more security updates.
File : redhat-RHSA-2012-0884.nasl - Type : ACT_GATHER_INFO
2011-11-18 Name : The SSH server on the remote host has multiple denial of service vulnerabilit...
File : openssh_59.nasl - Type : ACT_GATHER_INFO

Sources (Detail)

Source Url
FULLDISC http://seclists.org/fulldisclosure/2011/Aug/2
MISC http://site.pi3.com.pl/adv/ssh_1.txt
REDHAT http://rhn.redhat.com/errata/RHSA-2012-0884.html

Alert History

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Date Informations
2024-02-02 01:17:55
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2023-09-05 12:16:50
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2023-09-05 01:05:12
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2023-09-02 12:16:55
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2023-09-02 01:05:17
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2023-08-12 12:20:32
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2023-08-12 01:05:17
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2023-08-11 12:17:00
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2023-08-11 01:05:27
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2023-08-06 12:16:21
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2023-08-06 01:05:18
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2023-08-04 12:16:25
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2023-08-04 01:05:18
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2023-07-14 12:16:24
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2023-07-14 01:05:16
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2023-03-29 01:18:22
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2023-03-28 12:05:24
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2022-10-11 12:14:39
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2022-10-11 01:05:00
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2022-08-05 12:12:58
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2021-05-04 12:18:03
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2021-04-22 01:21:21
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2020-07-25 12:06:55
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2020-05-23 01:47:43
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2020-05-23 00:32:24
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2019-10-09 01:04:40
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2016-04-26 21:19:15
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2014-05-13 13:24:58
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2014-02-17 11:06:38
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2013-05-10 23:12:15
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