National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2001-1056 Detail

Current Description

IRC DCC helper in the ip_masq_irc IP masquerading module 2.2 allows remote attackers to bypass intended firewall restrictions by causing the target system to send a "DCC SEND" request to a malicious server which listens on port 6667, which may cause the module to believe that the traffic is a valid request and allow the connection to the port specified in the DCC SEND request.

Source:  MITRE
View Analysis Description

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 7.5 HIGH
Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 10.0


Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): Partial
Availability (A): Partial
Additional Information:
Provides unauthorized access
Allows unauthorized disclosure of information
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://archives.neohapsis.com/archives/bugtraq/2001-07/0733.html Broken Link
http://archives.neohapsis.com/archives/bugtraq/2001-07/0750.html Broken Link
http://www.iss.net/security_center/static/6923.php Broken Link
http://www.securityfocus.com/bid/3117 Third Party Advisory Vendor Advisory

Technical Details

Vulnerability Type (View All)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (excluding)
2.0.1
Up to (including)
2.0.18
 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
2.2.0
Up to (including)
2.2.18


Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2001-1056
NVD Published Date:
07/30/2001
NVD Last Modified:
09/20/2018