Computalynx CMail 2.4.7 Web Interface Username memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Computalynx CMail 2.4.7. It has been classified as critical. This impacts an unknown function of the component Web Interface. The manipulation of the argument Username leads to memory corruption. This vulnerability is traded as CVE-2000-0556. There is no exploit available. It is recommended to apply restrictive firewalling.

Detailsinfo

A vulnerability was found in Computalynx CMail 2.4.7 (Mail Server Software) and classified as critical. This issue affects an unknown code block of the component Web Interface. The manipulation of the argument Username 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 availability. The summary by CVE is:

Buffer overflow in the web interface for Cmail 2.4.7 allows remote attackers to cause a denial of service by sending a large user name to the user dialog running on port 8002.

The weakness was shared 06/05/2000 by Security Team (DCIST) (Website). The advisory is shared at xforce.iss.net. The identification of this vulnerability is CVE-2000-0556. 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 known, but no exploit is available.

Addressing this vulnerability is possible by firewalling tcp/8002.

The vulnerability is also documented in the databases at X-Force (4625), SecurityFocus (BID 1319†) and Vulnerability Center (SBV-3163†). The entry VDB-15630 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

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.3
VulDB Temp Score: 5.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

0-Day Time: 🔍

Firewalling: 🔍

Timelineinfo

06/05/2000 🔍
06/05/2000 +0 days 🔍
06/05/2000 +0 days 🔍
06/05/2000 +0 days 🔍
12/14/2003 +1287 days 🔍
06/25/2014 +3846 days 🔍
04/21/2026 +4318 days 🔍

Sourcesinfo

Advisory: xforce.iss.net
Researcher: Security Team (DCIST)
Status: Not defined
Confirmation: 🔍

CVE: CVE-2000-0556 (🔍)
GCVE (CVE): GCVE-0-2000-0556
GCVE (VulDB): GCVE-100-15629
X-Force: 4625
SecurityFocus: 1319 - Computalynx CMail Web Interface CPU Consumption DoS Vulnerability
Vulnerability Center: 3163 - DoS via a Buffer Overflow in the Web Interface of Cmail 2.4.7 Caused by a Large User Name, Medium

See also: 🔍

Entryinfo

Created: 06/25/2014 10:09
Updated: 04/21/2026 18:31
Changes: 06/25/2014 10:09 (59), 05/18/2019 09:45 (5), 04/21/2026 18:31 (16)
Complete: 🔍
Cache ID: 216::103

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

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