XChat 1.4.2/1.4.3 Default Configuration percascii privileges management

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 XChat 1.4.2/1.4.3. This affects an unknown part of the component Default Configuration. This manipulation of the argument percascii causes privileges management. This vulnerability is registered as CVE-2002-0006. Furthermore, an exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in XChat 1.4.2/1.4.3 (Chat Software). It has been declared as critical. Affected by this vulnerability is an unknown code of the component Default Configuration. The manipulation of the argument percascii with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

XChat 1.8.7 and earlier, including default configurations of 1.4.2 and 1.4.3, allows remote attackers to execute arbitrary IRC commands as other clients via encoded characters in a PRIVMSG command that calls CTCP PING, which expands the characters in the client response when the percascii variable is set.

The weakness was published 06/25/2002 by zen-parse (Website). It is possible to read the advisory at debian.org. This vulnerability is known as CVE-2002-0006. 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. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

It is possible to download the exploit at securityfocus.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 14936 (Debian DSA-099-1 : xchat - IRC session hijacking), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l.

Upgrading eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (7856), Exploit-DB (21210), Tenable (14936) and SecurityFocus (BID 3830†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

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: Privileges management
CWE: CWE-269 / CWE-266
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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Nessus ID: 14936
Nessus Name: Debian DSA-099-1 : xchat - IRC session hijacking
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 53761
OpenVAS Name: Debian Security Advisory DSA 099-1 (XChat)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/09/2002 🔍
01/12/2002 +3 days 🔍
06/25/2002 +164 days 🔍
06/25/2002 +0 days 🔍
09/29/2004 +827 days 🔍
07/11/2014 +3572 days 🔍
12/17/2024 +3812 days 🔍

Sourcesinfo

Advisory: debian.org
Researcher: zen-parse
Status: Confirmed

CVE: CVE-2002-0006 (🔍)
GCVE (CVE): GCVE-0-2002-0006
GCVE (VulDB): GCVE-100-18295
X-Force: 7856
SecurityFocus: 3830 - X-Chat CTCP Ping Arbitrary Remote IRC Command Execution Vulnerability

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

Entryinfo

Created: 07/11/2014 14:12
Updated: 12/17/2024 09:48
Changes: 07/11/2014 14:12 (65), 04/30/2019 18:21 (4), 12/17/2024 09:48 (19)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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