7.5
HIGH
CVE-2001-1056
Internet Relay Chat (IRC) DCC Helper in ip_masq_ircybrid Firewall Allow Bypass Remote Code Execution
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.

INFO

Published Date :

July 30, 2001, 4 a.m.

Last Modified :

Sept. 20, 2018, 6:45 p.m.

Remotely Exploitable :

Yes !

Impact Score :

6.4

Exploitability Score :

10.0
Affected Products

The following products are affected by CVE-2001-1056 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linux linux_kernel
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2001-1056.

URL 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.osvdb.org/1916 Broken Link
http://www.securityfocus.com/bid/3117 Third Party Advisory Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2001-1056 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2001-1056 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Reanalysis by [email protected]

    Sep. 20, 2018

    Action Type Old Value New Value
    Changed Reference Type http://www.securityfocus.com/bid/3117 Patch, Vendor Advisory http://www.securityfocus.com/bid/3117 Third Party Advisory, Vendor Advisory
    Changed Reference Type http://archives.neohapsis.com/archives/bugtraq/2001-07/0750.html Patch http://archives.neohapsis.com/archives/bugtraq/2001-07/0750.html Broken Link
    Changed Reference Type http://archives.neohapsis.com/archives/bugtraq/2001-07/0733.html Patch, Vendor Advisory http://archives.neohapsis.com/archives/bugtraq/2001-07/0733.html Broken Link
    Changed Reference Type http://www.osvdb.org/1916 No Types Assigned http://www.osvdb.org/1916 Broken Link
    Changed Reference Type http://www.iss.net/security_center/static/6923.php No Types Assigned http://www.iss.net/security_center/static/6923.php Broken Link
    Changed CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (including) 2.0.18 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (including) 2.2.18 OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (excluding) 2.0.1 up to (including) 2.0.18 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 2.2.0 up to (including) 2.2.18
  • Initial Analysis by [email protected]

    Jan. 01, 2004

    Action Type Old Value New Value
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2001-1056 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2001-1056 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.48 }} 0.00%

score

0.71984

percentile

CVSS2 - Vulnerability Scoring System
Access Vector
Access Complexity
Authentication
Confidentiality
Integrity
Availability