Go to homepageCyberStrike

Menu

Star on GitHub · 3.2k
Sign inDownload

CVE-2001-1056

7.5 · HIGH

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 maliciou…

Published Jul 30, 2001linuxEPSS 2.44%

Overview

CVE-2001-1056 is a high-severity vulnerability affecting linux linux_kernel. It was published on July 30, 2001 and has a CVSS 2.0 base score of 7.5 (HIGH).

This vulnerability has a CVSS 2.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
linuxlinux_kernel0Affected

References

Refarchives.neohapsis.com/archives/bugtraq/2001-07/0733.htmlRefarchives.neohapsis.com/archives/bugtraq/2001-07/0750.htmlRefwww.iss.net/security_center/static/6923.phpRefwww.osvdb.org/1916Refwww.securityfocus.com/bid/3117Refarchives.neohapsis.com/archives/bugtraq/2001-07/0733.htmlRefarchives.neohapsis.com/archives/bugtraq/2001-07/0750.htmlRefwww.iss.net/security_center/static/6923.phpRefwww.osvdb.org/1916Refwww.securityfocus.com/bid/3117

How CyberStrike helps

Frequently asked questions

What is CVE-2001-1056?

CVE-2001-1056 is a high-severity vulnerability affecting linux linux_kernel. It was published on July 30, 2001 and has a CVSS 2.0 base score of 7.5 (HIGH).

How severe is CVE-2001-1056?

This vulnerability has a CVSS 2.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2001-1056?

Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2001-1056?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2001-1056 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

Related HIGH CVEs from 2001

View all
Browse by year2026202520242023202220212020201920182017201620152014201320122011201020092008200720062005200420032002200120001999