Netscape Messaging Server 4.15p2 IMAP Server LIST memory corruption
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 9.5 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as critical, was found in Netscape Messaging Server 4.15p2. This affects an unknown part of the component IMAP Server. Such manipulation of the argument LIST leads to memory corruption. This vulnerability is uniquely identified as CVE-2000-0961. No exploit exists. You should upgrade the affected component.
Details
A vulnerability was found in Netscape Messaging Server 4.15p2. It has been rated as very critical. Affected by this issue is some unknown functionality of the component IMAP Server. The manipulation of the argument LIST with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. CVE summarizes:
Buffer overflow in IMAP server in Netscape Messaging Server 4.15 Patch 2 allows local users to execute arbitrary commands via a long LIST command.
The weakness was disclosed 12/19/2000 by Michal Zalewski as not defined posting (Bugtraq). The advisory is shared for download at archives.neohapsis.com. This vulnerability is handled as CVE-2000-0961. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 10/12/2025).
The vulnerability scanner Nessus provides a plugin with the ID 10580 (Netscape Messaging Server IMAP LIST Command Remote Overflow), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gain a shell remotely and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 50017 (iPlanet Netscape Messaging Server IMAP Denial of Service Vulnerability).
Upgrading eliminates this vulnerability.
The vulnerability is also documented in the databases at X-Force (5292), Tenable (10580), SecurityFocus (BID 1721†) and Vulnerability Center (SBV-281†). The entry VDB-16171 is pretty similar. Once again VulDB remains the best source for vulnerability data.
Product
Vendor
Name
Version
License
Website
- Vendor: https://www.netscape.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 10.0VulDB Meta Temp Score: 9.5
VulDB Base Score: 10.0
VulDB Temp Score: 9.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
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VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Memory corruptionCWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 10580
Nessus Name: Netscape Messaging Server IMAP LIST Command Remote Overflow
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
McAfee IPS: 🔍
McAfee IPS Version: 🔍
Timeline
09/26/2000 🔍12/19/2000 🔍
12/19/2000 🔍
12/19/2000 🔍
12/19/2000 🔍
12/04/2002 🔍
07/01/2014 🔍
10/12/2025 🔍
Sources
Vendor: netscape.comAdvisory: archives.neohapsis.com
Researcher: Michal Zalewski
Status: Confirmed
CVE: CVE-2000-0961 (🔍)
GCVE (CVE): GCVE-0-2000-0961
GCVE (VulDB): GCVE-100-16172
X-Force: 5292 - Netscape Messaging Server list overflow denial of service
SecurityFocus: 1721 - Netscape Messaging Server DoS Vulnerability
Vulnerability Center: 281 - Buffer Overflow in Netscape Messaging Server 4.0, High
See also: 🔍
Entry
Created: 07/02/2014 00:40Updated: 10/12/2025 01:24
Changes: 07/02/2014 00:40 (71), 05/05/2019 21:58 (1), 10/12/2025 01:24 (19)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
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