VDB-4357 · CVE-2011-1910 · BID 48007

ISC BIND up to 9.8.x Negative Caching RRSIG RRsets numeric error

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.2$0-$5k0.00

A vulnerability classified as critical was found in ISC BIND up to 9.8.x (Domain Name Software). Affected by this vulnerability is an unknown part of the component Negative Caching Handler. The manipulation as part of a RRSIG RRsets leads to a numeric error vulnerability. The CWE definition for the vulnerability is CWE-189. As an impact it is known to affect availability. The summary by CVE is:

Off-by-one error in named in ISC BIND 9.x before 9.7.3-P1, 9.8.x before 9.8.0-P2, 9.4-ESV before 9.4-ESV-R4-P1, and 9.6-ESV before 9.6-ESV-R4-P1 allows remote DNS servers to cause a denial of service (assertion failure and daemon exit) via a negative response containing large RRSIG RRsets.

The weakness was disclosed 05/27/2011 by Frank Kloeker (Website). The advisory is shared at isc.org. This vulnerability is known as CVE-2011-1910 since 05/09/2011. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

We expect the 0-day to have been worth approximately $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 67084 (CentOS 5 : bind97 (CESA-2011:0845)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 119898 (F5 Big-IP Devices BIND Denial Of Service Vulnerability (SOL12985)).

Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 11645.

The vulnerability is also documented in the vulnerability database at Tenable (67084).

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

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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: Numeric error
CWE: CWE-189
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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EPSS Percentile: 🔍

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Current Price Estimation: 🔍

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Nessus ID: 67084
Nessus Name: CentOS 5 : bind97 (CESA-2011:0845)
Nessus File: 🔍
Nessus Risk: 🔍
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Nessus Port: 🔍

OpenVAS ID: 69742
OpenVAS Name: Debian Security Advisory DSA 2244-1 (bind9)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
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TippingPoint: 🔍
ISS Proventia IPS: 🔍
PaloAlto IPS: 🔍
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Timelineinfo

05/09/2011 🔍
05/27/2011 +18 days 🔍
05/27/2011 +0 days 🔍
05/27/2011 +0 days 🔍
05/27/2011 +0 days 🔍
05/27/2011 +0 days 🔍
05/27/2011 +0 days 🔍
05/29/2011 +2 days 🔍
05/31/2011 +2 days 🔍
06/20/2011 +20 days 🔍
06/29/2013 +740 days 🔍
03/19/2021 +2820 days 🔍

Sourcesinfo

Vendor: isc.org

Advisory: isc.org
Researcher: Frank Kloeker
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2011-1910 (🔍)
OVAL: 🔍

SecurityTracker: 1025572 - BIND RRSIG RRsets Negative Caching Off-by-one Bug Lets Remote Users Deny Service
Vulnerability Center: 31573 - ISC BIND 9 Remote Denial of Service Vulnerability via Queries of a Domain with Large RRSIG RRsets, High
SecurityFocus: 48007 - ISC BIND 9 Large RRSIG RRsets Remote Denial of Service Vulnerability
Secunia: 44719 - ISC BIND Negative Caching RRSIG RRsets Denial of Service Vulnerability, Moderately Critical
OSVDB: 72540

Entryinfo

Created: 06/20/2011 02:00
Updated: 03/19/2021 10:36
Changes: 06/20/2011 02:00 (82), 03/23/2017 07:34 (15), 03/19/2021 10:36 (3)
Complete: 🔍

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