ISC BIND 9.7.1/9.7.1b1/9.7.2 IXFR/DDNS Update resource management

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.7$0-$5k0.00

Summaryinfo

A vulnerability was found in ISC BIND 9.7.1/9.7.1b1/9.7.2. It has been rated as critical. This issue affects some unknown processing of the component IXFR/DDNS Update. Performing a manipulation results in resource management. This vulnerability is known as CVE-2011-0414. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, was found in ISC BIND 9.7.1/9.7.1b1/9.7.2 (Domain Name Software). This affects an unknown function of the component IXFR/DDNS Update. The manipulation with an unknown input leads to a resource management vulnerability. CWE is classifying the issue as CWE-399. This is going to have an impact on availability. The summary by CVE is:

ISC BIND 9.7.1 through 9.7.2-P3, when configured as an authoritative server, allows remote attackers to cause a denial of service (deadlock and daemon hang) by sending a query at the time of (1) an IXFR transfer or (2) a DDNS update.

The weakness was published 02/23/2011 by Neustar (Website). The advisory is shared at isc.org. This vulnerability is uniquely identified as CVE-2011-0414 since 01/11/2011. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. 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 75438 (openSUSE Security Update : bind (openSUSE-SU-2011:0135-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 15063 (ISC Bind IXFR Transfer/DDNS Update Denial of Service Vulnerability).

Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (65554), Tenable (75438), SecurityFocus (BID 46491†), Secunia (SA43443†) and SecurityTracker (ID 1025110†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.7

VulDB Base Score: 5.9
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 75438
Nessus Name: openSUSE Security Update : bind (openSUSE-SU-2011:0135-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 69418
OpenVAS Name: Debian Security Advisory DSA 2208-1 (bind9)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/11/2011 🔍
02/15/2011 +35 days 🔍
02/22/2011 +7 days 🔍
02/22/2011 +0 days 🔍
02/23/2011 +1 days 🔍
02/23/2011 +0 days 🔍
02/23/2011 +0 days 🔍
03/21/2011 +26 days 🔍
06/13/2014 +1180 days 🔍
01/26/2025 +3880 days 🔍

Sourcesinfo

Vendor: isc.org

Advisory: isc.org
Researcher: Neustar
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2011-0414 (🔍)
GCVE (CVE): GCVE-0-2011-0414
GCVE (VulDB): GCVE-100-4305

OVAL: 🔍

CERT: 🔍
X-Force: 65554
SecurityFocus: 46491 - ISC BIND 9 IXFR Transfer/DDNS Update Remote Denial of Service Vulnerability
Secunia: 43443 - BIND IXFR or DDNS Update Deadlock Denial of Service Vulnerability, Moderately Critical
SecurityTracker: 1025110
Vulnerability Center: 29917 - ISC BIND 9.7.1 - 9.7.2-P3 IXFR Transfer and DDNS Update May Allow Remote Denial of Service, High

Entryinfo

Created: 03/21/2011 01:00
Updated: 01/26/2025 17:07
Changes: 03/21/2011 01:00 (74), 03/16/2017 15:33 (9), 03/19/2021 07:08 (3), 03/19/2021 07:10 (1), 01/19/2025 06:00 (18), 01/26/2025 10:37 (1), 01/26/2025 17:07 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Want to know what is going to be exploited?

We predict KEV entries!