Melange Chat System 2.02 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 was found in Melange Chat System 2.02 and classified as critical. This affects an unknown part. The manipulation results in memory corruption. This vulnerability is reported as CVE-2002-0552. Moreover, an exploit is present.

Detailsinfo

A vulnerability, which was classified as critical, was found in Melange Chat System 2.02 (Chat Software). Affected is an unknown code. 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:

Multiple buffer overflows in Melange Chat server 2.02 allow remote or local attackers to cause a denial of service (crash) and possibly execute arbitrary code via (1) a long argument in the /yell command, (2) long lines in the /etc/melange.conf configuration file, (3) long file names, or possibly other attacks.

The weakness was disclosed 07/03/2002 as confirmed posting (Bugtraq). The advisory is shared for download at archives.neohapsis.com. This vulnerability is traded as CVE-2002-0552. 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.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. The commercial vulnerability scanner Qualys is able to test this issue with plugin 38093 (Melange Chat System /yell Remote Buffer Overflow Vulnerability).

The vulnerability is also documented in the databases at X-Force (8845), Exploit-DB (21379), SecurityFocus (BID 4510†), OSVDB (10394†) and Vulnerability Center (SBV-6395†). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/14/2002 🔍
04/14/2002 +0 days 🔍
07/03/2002 +80 days 🔍
07/03/2002 +0 days 🔍
12/12/2004 +893 days 🔍
07/11/2014 +3498 days 🔍
09/16/2025 +4085 days 🔍

Sourcesinfo

Advisory: archives.neohapsis.com
Status: Confirmed

CVE: CVE-2002-0552 (🔍)
GCVE (CVE): GCVE-0-2002-0552
GCVE (VulDB): GCVE-100-18372
X-Force: 8845 - Melange Chat System long lines in melange.conf buffer overflow
SecurityFocus: 4510 - Melange Chat System Long Filename Buffer Overflow Vulnerability
OSVDB: 10394 - Melange Chat Server Filename Overflow DoS
Vulnerability Center: 6395 - DoS in Melange Chat System 2.0.2 Beta 2 via Multiple Buffer Overflows, High

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

Entryinfo

Created: 07/11/2014 14:20
Updated: 09/16/2025 07:02
Changes: 07/11/2014 14:20 (59), 06/03/2019 21:16 (2), 12/20/2024 05:36 (25), 09/16/2025 07:02 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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