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.
6.8	$0-$5k	0.00

A vulnerability, which was classified as critical, has been found in Lionmax Software Chat Anywhere 2.72a (Chat Software). This issue affects an unknown functionality. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is availability. The summary by CVE is:

LionMax Software Chat Anywhere 2.72a allows remote attackers to cause a denial of service (server crash and client CPU consumption) via a username beginning with percent (%) followed by a null character.

The bug was discovered 12/04/2003. The weakness was released 08/27/2004 by Donato Ferrante and Luigi Auriemma (Website). It is possible to read the advisory at archives.neohapsis.com. The identification of this vulnerability is CVE-2004-2724 since 10/06/2007. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are unknown but an exploit is available.

The exploit is available at aluigi.altervista.org. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 268 days. During that time the estimated underground price was around $0-$5k.

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 vulnerability database at X-Force (17148).

Productinfo

Type

• Chat Software

Vendor

• Lionmax Software

Name

• Chat Anywhere

Version

• 2.72a

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 6.8

VulDB Base Score: 7.5
VulDB Temp Score: 6.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/04/2003 🔍
08/27/2004 +267 days 🔍
08/27/2004 +0 days 🔍
08/27/2004 +0 days 🔍
08/31/2004 +3 days 🔍
12/31/2004 +122 days 🔍
10/06/2007 +1009 days 🔍
03/10/2015 +2712 days 🔍
07/19/2017 +862 days 🔍

Sourcesinfo

Advisory: archives.neohapsis.com
Researcher: Donato Ferrante, Luigi Auriemma
Status: Not defined

CVE: CVE-2004-2724 (🔍)
X-Force: 17148 - Chat Anywhere username denial of service
SecurityTracker: 1011080 - Chat Anywhere Can Be Crashed By Remote Users With Specially Crafted Username
Secunia: 12398 - Chat Anywhere User Flooding Denial of Service Vulnerability, Less Critical
OSVDB: 9275 - Chat Anywhere Invalid User DoS

Entryinfo

Created: 03/10/2015 12:14
Updated: 07/19/2017 10:04
Changes: 03/10/2015 12:14 (57), 07/19/2017 10:04 (8)
Complete: 🔍

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