Executive Summary

Summary
Title Unbound: Denial of Service
Informations
Name GLSA-201110-12 First vendor Publication 2011-10-15
Vendor Gentoo Last vendor Modification 2011-10-15
Severity (Vendor) Normal 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:L/Au:N/C:N/I:N/A:P)
Cvss Base Score 5 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

Synopsis

Multiple Denial of Service vulnerabilities were found in Unbound.

Background

Unbound is a validating, recursive, and caching DNS resolver.

Description

Multiple vulnerabilities have been discovered in unbound. Please review the CVE identifiers referenced below for details.

Impact

A remote attacker could cause a Denial of Service.

Workaround

There is no known workaround at this time.

Resolution

All Unbound users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-dns/unbound-1.4.10"

References

[ 1 ] CVE-2010-0969 : http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-0969
[ 2 ] CVE-2011-1922 : http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-1922

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website:

http://security.gentoo.org/glsa/glsa-201110-12.xml

Original Source

Url : http://security.gentoo.org/glsa/glsa-201110-12.xml

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-399 Resource Management Errors

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 37

OpenVAS Exploits

Date Description
2012-02-12 Name : Gentoo Security Advisory GLSA 201110-12 (unbound)
File : nvt/glsa_201110_12.nasl
2012-01-09 Name : Fedora Update for unbound FEDORA-2011-17337
File : nvt/gb_fedora_2011_17337_unbound_fc15.nasl
2011-08-03 Name : FreeBSD Ports: unbound
File : nvt/freebsd_unbound.nasl
2011-06-10 Name : Fedora Update for unbound FEDORA-2011-7555
File : nvt/gb_fedora_2011_7555_unbound_fc14.nasl
2011-06-03 Name : Unbound DNS Resolver Remote Denial of Service Vulnerability
File : nvt/gb_unbound_47986.nasl
2010-03-15 Name : Unbound 'sock_list' Structure Allocation Remote Denial Of Service Vulnerability
File : nvt/gb_unbound_38701.nasl

Open Source Vulnerability Database (OSVDB)

Id Description
72750 Unbound daemon/worker.c DNS Request Error Handling Remote DoS

62903 Unbound on 64-bit Memory Alignment Remote DoS

Nessus® Vulnerability Scanner

Date Description
2011-10-17 Name : The remote Gentoo host is missing one or more security-related patches.
File : gentoo_GLSA-201110-12.nasl - Type : ACT_GATHER_INFO
2011-06-10 Name : The remote name server is affected by a denial of service vulnerability.
File : unbound_1_4_10.nasl - Type : ACT_GATHER_INFO
2011-06-07 Name : The remote Fedora host is missing a security update.
File : fedora_2011-7555.nasl - Type : ACT_GATHER_INFO
2011-05-31 Name : The remote Fedora host is missing a security update.
File : fedora_2011-7540.nasl - Type : ACT_GATHER_INFO
2011-05-26 Name : The remote FreeBSD host is missing a security-related update.
File : freebsd_pkg_dc96ac1f86b111e09e8500215af774f0.nasl - Type : ACT_GATHER_INFO

Alert History

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0
Date Informations
2014-02-17 11:37:01
  • Multiple Updates