ISC BIND up to 9.9.1 DNS64 IPv6 Transition Mechanism input validation

CVSS Meta Temp Score
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7.2$0-$5k0.00

A vulnerability was found in ISC BIND up to 9.9.1 (Domain Name Software) and classified as critical. This issue affects some unknown functionality of the component DNS64 IPv6 Transition Mechanism. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is availability. The summary by CVE is:

ISC BIND 9.8.x before 9.8.4-P1 and 9.9.x before 9.9.2-P1, when DNS64 is enabled, allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a crafted query.

The weakness was shared 12/04/2012 with BlueCat Networks as AA-00828 as not defined posting (Website). It is possible to read the advisory at kb.isc.org. The vendor cooperated in the coordination of the public release. The identification of this vulnerability is CVE-2012-5688 since 10/29/2012. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

After immediately, there has been an exploit disclosed. The vulnerability scanner Nessus provides a plugin with the ID 69636 (Amazon Linux AMI : bind (ALAS-2012-146)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Amazon Linux Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 350814 (Amazon Linux Security Advisory for bind: AL2012-2015-017).

Upgrading to version 9.8.4-P1 or 9.9.2-P1 eliminates this vulnerability. The upgrade is hosted for download at isc.org. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (69636). The entries 6634, 7502, 8108 and 9764 are related to this item.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Input validation
CWE: CWE-20
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 69636
Nessus Name: Amazon Linux AMI : bind (ALAS-2012-146)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 881548
OpenVAS Name: CentOS Update for bind CESA-2012:1549 centos6
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Exploit Delay Time: 🔍

Upgrade: BIND 9.8.4-P1/9.9.2-P1

Timelineinfo

10/29/2012 🔍
12/04/2012 +36 days 🔍
12/04/2012 +0 days 🔍
12/04/2012 +0 days 🔍
12/04/2012 +0 days 🔍
12/04/2012 +0 days 🔍
12/05/2012 +1 days 🔍
12/05/2012 +0 days 🔍
12/06/2012 +1 days 🔍
12/06/2012 +0 days 🔍
12/07/2012 +1 days 🔍
09/04/2013 +271 days 🔍
04/19/2021 +2784 days 🔍

Sourcesinfo

Vendor: isc.org

Advisory: AA-00828
Organization: BlueCat Networks
Status: Not defined
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2012-5688 (🔍)
OVAL: 🔍
IAVM: 🔍

Vulnerability Center: 37530 - ISC BIND Remote Denial of Service due to a Flaw in the DNS64 IPv6 Transition Mechanism, High
SecurityFocus: 56817 - ISC BIND 9 DNS64 Remote Denial of Service Vulnerability
Secunia: 51484 - ISC BIND DNS64 REQUIRE Assertion Failure Denial of Service Vulnerability, Moderately Critical
OSVDB: 88126

See also: 🔍

Entryinfo

Created: 12/07/2012 10:15
Updated: 04/19/2021 18:18
Changes: 12/07/2012 10:15 (86), 04/22/2017 12:49 (5), 04/19/2021 18:18 (3)
Complete: 🔍
Committer: olku

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