Efs Software Easy Chat Server 1.2 Username memory corruption

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Efs Software Easy Chat Server 1.2. Affected by this vulnerability is an unknown functionality. This manipulation of the argument Username causes memory corruption. This vulnerability appears as CVE-2004-2466. In addition, an exploit is available.

Detailsinfo

A vulnerability was found in Efs Software Easy Chat Server 1.2 (Chat Software). It has been declared as critical. Affected by this vulnerability is an unknown functionality. The manipulation of the argument username with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect availability. The summary by CVE is:

chat.ghp in Easy Chat Server 1.2 allows remote attackers to cause a denial of service (server crash) via a long username parameter, possibly due to a buffer overflow. NOTE: it was later reported that 2.2 is also affected.

The weakness was presented 07/02/2004 by Donato Ferrante (Website). The advisory is shared at autistici.org. This vulnerability is known as CVE-2004-2466 since 08/20/2005. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known.

After immediately, there has been an exploit disclosed. It is possible to download the exploit at exploit-db.com. It is declared as highly functional.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (36013), Exploit-DB (4289), SecurityFocus (BID 25328†), OSVDB (7416†) and Secunia (SA12006†). See VDB-23354 and VDB-23352 for similar entries. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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: 5.3

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

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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: Highly functional
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

MetaSploit ID: efs_easychatserver_username.rb
MetaSploit Name: EFS Easy Chat Server Authentication Request Handling Buffer Overflow
MetaSploit File: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

07/02/2004 🔍
07/02/2004 +0 days 🔍
07/05/2004 +2 days 🔍
07/05/2004 +0 days 🔍
12/31/2004 +178 days 🔍
08/20/2005 +232 days 🔍
08/14/2007 +724 days 🔍
03/09/2015 +2764 days 🔍
09/30/2024 +3493 days 🔍

Sourcesinfo

Advisory: autistici.org
Researcher: Donato Ferrante
Status: Not defined

CVE: CVE-2004-2466 (🔍)
GCVE (CVE): GCVE-0-2004-2466
GCVE (VulDB): GCVE-100-23353
X-Force: 36013
SecurityFocus: 25328 - EFS Software Easy Chat Server Authentication Request Handling Remote Buffer Overflow Vulnerability
Secunia: 12006 - Easy Chat Server Multiple Vulnerabilities, Highly Critical
OSVDB: 7416 - Easy Chat Server chat.ghp Long Username Remote DoS
Vupen: ADV-2007-2901

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

Entryinfo

Created: 03/09/2015 16:55
Updated: 09/30/2024 09:29
Changes: 03/09/2015 16:55 (69), 03/25/2019 22:01 (1), 06/11/2024 05:42 (16), 09/30/2024 09:29 (4)
Complete: 🔍
Cache ID: 216::103

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

Discussion

No comments yet. Languages: en.

Please log in to comment.

Do you want to use VulDB in your project?

Use the official API to access entries easily!