Executive Summary
Summary | |
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Title | Unbound: Denial of Service |
Informations | |||
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Name | GLSA-201311-18 | First vendor Publication | 2013-11-28 |
Vendor | Gentoo | Last vendor Modification | 2013-11-28 |
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:C) | |||
---|---|---|---|
Cvss Base Score | 7.8 | Attack Range | Network |
Cvss Impact Score | 6.9 | Attack Complexity | Low |
Cvss Expoit Score | 10 | Authentication | None Required |
Calculate full CVSS 2.0 Vectors scores |
Detail
Synopsis Multiple Denial of Service vulnerabilities have been found in Unbound. Background Description Impact Workaround Resolution References Availability http://security.gentoo.org/glsa/glsa-201311-18.xml |
Original Source
Url : http://security.gentoo.org/glsa/glsa-201311-18.xml |
CWE : Common Weakness Enumeration
% | Id | Name |
---|---|---|
100 % | CWE-399 | Resource Management Errors |
OVAL Definitions
Definition Id: oval:org.mitre.oval:def:15048 | |||
Oval ID: | oval:org.mitre.oval:def:15048 | ||
Title: | DSA-2370-1 unbound -- several | ||
Description: | It was discovered that Unbound, a recursive DNS resolver, would crash when processing certain malformed DNS responses from authoritative DNS servers, leading to denial of service. CVE-2011-4528 Unbound attempts to free unallocated memory during processing of duplicate CNAME records in a signed zone. CVE-2011-4869 Unbound does not properly process malformed responses which lack expected NSEC3 records. | ||
Family: | unix | Class: | patch |
Reference(s): | DSA-2370-1 CVE-2011-4528 CVE-2011-4869 | Version: | 5 |
Platform(s): | Debian GNU/Linux 5.0 Debian GNU/Linux 6.0 Debian GNU/kFreeBSD 6.0 | Product(s): | unbound |
Definition Synopsis: | |||
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CPE : Common Platform Enumeration
OpenVAS Exploits
Date | Description |
---|---|
2012-04-02 | Name : Fedora Update for unbound FEDORA-2011-17282 File : nvt/gb_fedora_2011_17282_unbound_fc16.nasl |
2012-02-11 | Name : Debian Security Advisory DSA 2370-1 (unbound) File : nvt/deb_2370_1.nasl |
2012-01-09 | Name : Fedora Update for unbound FEDORA-2011-17337 File : nvt/gb_fedora_2011_17337_unbound_fc15.nasl |
2011-12-20 | Name : Unbound Multiple Denial of Service Vulnerabilities File : nvt/gb_unbound_51115.nasl |
0000-00-00 | Name : FreeBSD Ports: unbound File : nvt/freebsd_unbound0.nasl |
Open Source Vulnerability Database (OSVDB)
Id | Description |
---|---|
77910 | Unbound NSEC3-Signed Zones Response Parsing Remote DoS |
77909 | Unbound Duplicate Resource Record Parsing Remote DoS |
Nessus® Vulnerability Scanner
Date | Description |
---|---|
2013-11-29 | Name : The remote Gentoo host is missing one or more security-related patches. File : gentoo_GLSA-201311-18.nasl - Type : ACT_GATHER_INFO |
2012-01-17 | Name : The remote name server is affected by multiple denial of service vulnerabilit... File : unbound_1_4_14.nasl - Type : ACT_GATHER_INFO |
2012-01-12 | Name : The remote Debian host is missing a security-related update. File : debian_DSA-2370.nasl - Type : ACT_GATHER_INFO |
2012-01-03 | Name : The remote Fedora host is missing a security update. File : fedora_2011-17282.nasl - Type : ACT_GATHER_INFO |
2012-01-03 | Name : The remote Fedora host is missing a security update. File : fedora_2011-17337.nasl - Type : ACT_GATHER_INFO |
2011-12-20 | Name : The remote FreeBSD host is missing a security-related update. File : freebsd_pkg_7ba65bfd2a4011e1b96e00215af774f0.nasl - Type : ACT_GATHER_INFO |
Alert History
Date | Informations |
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2014-02-17 11:37:55 |
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2013-11-28 13:18:22 |
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