ISC BIND 8.2/8.2.1 NXT Record memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in ISC BIND 8.2/8.2.1. This issue affects some unknown processing of the component NXT Record Handler. The manipulation results in memory corruption. This vulnerability is cataloged as CVE-1999-0833. Furthermore, there is an exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in ISC BIND 8.2/8.2.1 (Domain Name Software). It has been classified as critical. Affected is an unknown code block of the component NXT Record Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Buffer overflow in BIND 8.2 via NXT records.

The weakness was shared 11/10/1999 (Website). The advisory is shared for download at securityfocus.com. This vulnerability is traded as CVE-1999-0833. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are unknown but a public exploit is available.

A public exploit has been developed in ANSI C. The exploit is shared for download at securityfocus.com. It is declared as proof-of-concept. As 0-day the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 10029 (ISC BIND < 4.9.7-REL / 8.2.2-P5 Multiple Remote Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family DNS and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 15005 (ISC BIND NXT Buffer Overflow (NXT bug) Vulnerability).

Upgrading eliminates this vulnerability. Attack attempts may be identified with Snort ID 258. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 589.

The vulnerability is also documented in the databases at X-Force (3476), Tenable (10029), SecurityFocus (BID 788†) and Vulnerability Center (SBV-34†). The entries VDB-14965, VDB-14966, VDB-14967 and VDB-14968 are related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 10029
Nessus Name: ISC BIND < 4.9.7-REL / 8.2.2-P5 Multiple Remote Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
Snort ID: 258
Snort Message: SERVER-OTHER Bind Buffer Overflow via NXT records
Snort Class: 🔍

Suricata ID: 2100258
Suricata Class: 🔍
Suricata Message: 🔍

TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

SourceFire IPS: 🔍
ISS Proventia IPS: 🔍
PaloAlto IPS: 🔍

Timelineinfo

11/10/1999 🔍
11/10/1999 +0 days 🔍
11/10/1999 +0 days 🔍
11/10/1999 +0 days 🔍
11/11/1999 +1 days 🔍
10/08/2002 +1062 days 🔍
06/22/2014 +4275 days 🔍
10/22/2025 +4140 days 🔍

Sourcesinfo

Vendor: isc.org

Advisory: securityfocus.com⛔
Status: Confirmed

CVE: CVE-1999-0833 (🔍)
GCVE (CVE): GCVE-0-1999-0833
GCVE (VulDB): GCVE-100-14964
X-Force: 3476
SecurityFocus: 788 - Multiple Vendor BIND (NXT Overflow & Denial of Service) Vulnerabilities
Vulnerability Center: 34 - Buffer Overflow in BIND 8.2 via NXT Records, Critical

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

Entryinfo

Created: 06/22/2014 14:44
Updated: 10/22/2025 21:35
Changes: 06/22/2014 14:44 (77), 05/04/2019 17:33 (5), 10/22/2025 21:35 (20)
Complete: 🔍
Cache ID: 216::103

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