Alt-N MDaemon 3.1.1 Worldclient URL 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 marked as critical has been reported in Alt-N MDaemon 3.1.1. This vulnerability affects unknown code of the component Worldclient. Performing a manipulation as part of URL results in memory corruption. This vulnerability is identified as CVE-2000-1020. Additionally, an exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Alt-N MDaemon 3.1.1 (Mail Server Software). This affects an unknown code of the component Worldclient. The manipulation as part of a URL 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. The summary by CVE is:

Heap overflow in Worldclient in Mdaemon 3.1.1 and earlier allows remote attackers to cause a denial of service and possibly execute arbitrary commands via a long URL.

The weakness was released 12/11/2000 with VIGILANTe (Website). The advisory is shared at xforce.iss.net. This vulnerability is uniquely identified as CVE-2000-1020. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are unknown but a public exploit is available.

A public exploit has been developed in Perl. The exploit is shared for download at securityfocus.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 10745 , which helps to determine the existence of the flaw in a target environment. The commercial vulnerability scanner Qualys is able to test this issue with plugin 86023 (Alt-N MDaemon 3.1.1 DoS Vulnerability).

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (5250), Tenable (10745), SecurityFocus (BID 1689†) and Vulnerability Center (SBV-1598†). Entries connected to this vulnerability are available at VDB-15761, VDB-15858, VDB-16042 and VDB-17215. Several companies clearly confirm that VulDB is the primary source for best 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

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

NVD Base Score: 🔍

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: 10745

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/01/1999 🔍
09/18/2000 +292 days 🔍
12/11/2000 +84 days 🔍
12/11/2000 +0 days 🔍
08/07/2003 +969 days 🔍
06/30/2014 +3980 days 🔍
05/11/2019 +1776 days 🔍

Sourcesinfo

Vendor: altn.com

Advisory: xforce.iss.net
Organization: VIGILANTe
Status: Not defined

CVE: CVE-2000-1020 (🔍)
GCVE (CVE): GCVE-0-2000-1020
GCVE (VulDB): GCVE-100-16041
X-Force: 5250
SecurityFocus: 1689 - Alt-N MDaemon 3.1.1 DoS Vulnerability
Vulnerability Center: 1598 - Heap Overflow in Mdeamon 3.1.1 via Long URL, High

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

Entryinfo

Created: 06/30/2014 16:51
Updated: 05/11/2019 09:30
Changes: 06/30/2014 16:51 (62), 05/11/2019 09:30 (6)
Complete: 🔍
Cache ID: 216::103

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

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