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.
Advisories
Source ID Title
EUVD EUVD EUVD-2001-1037 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.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

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Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-08T04:44:07.020Z

Reserved: 2002-01-31T00:00:00

Link: CVE-2001-1056

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2001-07-30T04:00:00.000

Modified: 2025-04-03T01:03:51.193

Link: CVE-2001-1056

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses