ISC BIND 8.2.2 ZXFR Request denial of service

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.
4.8$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in ISC BIND 8.2.2. Impacted is an unknown function of the component ZXFR Request Handler. The manipulation leads to denial of service. This vulnerability is traded as CVE-2000-0887. Furthermore, there is an exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in ISC BIND 8.2.2 (Domain Name Software). It has been rated as critical. This issue affects some unknown functionality of the component ZXFR Request Handler. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. The summary by CVE is:

named in BIND 8.2 through 8.2.2-P6 allows remote attackers to cause a denial of service by making a compressed zone transfer (ZXFR) request and performing a name service query on an authoritative record that is not cached, aka the "zxfr bug."

The weakness was shared 12/19/2000 by FIRST as confirmed advisory (CERT.org). The advisory is shared at cert.org. The identification of this vulnerability is CVE-2000-0887. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are unknown but a public exploit is available.

The exploit is available at exploit-db.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 61853 (Mandrake Linux Security Advisory : bind (MDKSA-2000:067)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Mandriva Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 15008 (Multiple Vendor ISC BIND Denial of Service (zxfr bug) Vulnerability).

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

The vulnerability is also documented in the databases at X-Force (5540), Exploit-DB (20388), Tenable (61853), SecurityFocus (BID 1923†) and Vulnerability Center (SBV-263†). The entry VDB-16110 is related to this item. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 61853
Nessus Name: Mandrake Linux Security Advisory : bind (MDKSA-2000:067)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
McAfee IPS: 🔍
McAfee IPS Version: 🔍

Timelineinfo

11/01/2000 🔍
11/01/2000 +0 days 🔍
11/10/2000 +9 days 🔍
12/19/2000 +39 days 🔍
12/19/2000 +0 days 🔍
11/26/2002 +707 days 🔍
09/06/2012 +3572 days 🔍
07/01/2014 +663 days 🔍
10/12/2025 +4121 days 🔍

Sourcesinfo

Vendor: isc.org

Advisory: cert.org
Researcher: FIRST
Status: Confirmed

CVE: CVE-2000-0887 (🔍)
GCVE (CVE): GCVE-0-2000-0887
GCVE (VulDB): GCVE-100-16109
X-Force: 5540
SecurityFocus: 1923 - Multiple Vendor BIND 8.2.2-P5 Denial of Service Vulnerability
Vulnerability Center: 263 - BIND 8.2 zxfr bug DOS, High

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 07/01/2014 17:15
Updated: 10/12/2025 08:55
Changes: 07/01/2014 17:15 (69), 05/05/2019 20:37 (4), 11/04/2024 11:26 (25), 10/12/2025 08:55 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Interested in the pricing of exploits?

See the underground prices here!