CVE-2006-6811
KsIRC Null Pointer Dereference Denial of Service
Description
KsIRC 1.3.12 allows remote attackers to cause a denial of service (crash) via a long PRIVMSG string when connecting to an Internet Relay Chat (IRC) server, which causes an assertion failure and results in a NULL pointer dereference. NOTE: this issue was originally reported as a buffer overflow.
INFO
Published Date :
Dec. 29, 2006, 11:28 a.m.
Last Modified :
April 9, 2025, 12:30 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update to the latest version of the affected software.
- If upgrading is not immediately possible, consider mitigating the vulnerability by monitoring and restricting IRC usage.
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-2006-6811.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2006-6811 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-2006-6811
weaknesses.
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-2006-6811 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2006-6811 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.
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CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference http://osvdb.org/33443 Added Reference http://security.gentoo.org/glsa/glsa-200701-26.xml Added Reference http://securitytracker.com/id?1017453 Added Reference http://www.addict3d.org/index.php?page=viewarticle&trace=0&type=security&ID=8468 Added Reference http://www.kde.org/info/security/advisory-20070109-1.txt Added Reference http://www.mandriva.com/security/advisories?name=MDKSA-2007:009 Added Reference http://www.securityfocus.com/archive/1/456379/100/0/threaded Added Reference http://www.securityfocus.com/bid/21790 Added Reference http://www.ubuntu.com/usn/usn-409-1 Added Reference http://www.vupen.com/english/advisories/2006/5199 Added Reference https://exchange.xforce.ibmcloud.com/vulnerabilities/31134 Added Reference https://issues.rpath.com/browse/RPL-922 Added Reference https://www.exploit-db.com/exploits/3023 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Feb. 08, 2024
Action Type Old Value New Value Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Changed Reference Type http://osvdb.org/33443 No Types Assigned http://osvdb.org/33443 Broken Link Changed Reference Type http://security.gentoo.org/glsa/glsa-200701-26.xml No Types Assigned http://security.gentoo.org/glsa/glsa-200701-26.xml Third Party Advisory Changed Reference Type http://securitytracker.com/id?1017453 No Types Assigned http://securitytracker.com/id?1017453 Broken Link, Third Party Advisory, VDB Entry Changed Reference Type http://www.addict3d.org/index.php?page=viewarticle&trace=0&type=security&ID=8468 No Types Assigned http://www.addict3d.org/index.php?page=viewarticle&trace=0&type=security&ID=8468 Broken Link Changed Reference Type http://www.kde.org/info/security/advisory-20070109-1.txt No Types Assigned http://www.kde.org/info/security/advisory-20070109-1.txt Third Party Advisory Changed Reference Type http://www.mandriva.com/security/advisories?name=MDKSA-2007:009 No Types Assigned http://www.mandriva.com/security/advisories?name=MDKSA-2007:009 Broken Link Changed Reference Type http://www.securityfocus.com/archive/1/456379/100/0/threaded No Types Assigned http://www.securityfocus.com/archive/1/456379/100/0/threaded Broken Link, Third Party Advisory, VDB Entry Changed Reference Type http://www.securityfocus.com/bid/21790 Exploit http://www.securityfocus.com/bid/21790 Broken Link, Exploit, Third Party Advisory, VDB Entry Changed Reference Type http://www.ubuntu.com/usn/usn-409-1 No Types Assigned http://www.ubuntu.com/usn/usn-409-1 Third Party Advisory Changed Reference Type http://www.vupen.com/english/advisories/2006/5199 No Types Assigned http://www.vupen.com/english/advisories/2006/5199 Broken Link Changed Reference Type https://exchange.xforce.ibmcloud.com/vulnerabilities/31134 No Types Assigned https://exchange.xforce.ibmcloud.com/vulnerabilities/31134 Third Party Advisory, VDB Entry Changed Reference Type https://issues.rpath.com/browse/RPL-922 No Types Assigned https://issues.rpath.com/browse/RPL-922 Broken Link Changed Reference Type https://www.exploit-db.com/exploits/3023 No Types Assigned https://www.exploit-db.com/exploits/3023 Exploit, Third Party Advisory, VDB Entry Removed CWE NIST NVD-CWE-Other Added CWE NIST CWE-617 Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:5.10:*:*:*:*:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:*:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:6.10:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Oct. 17, 2018
Action Type Old Value New Value Removed Reference http://www.securityfocus.com/archive/1/archive/1/456379/100/0/threaded [No Types Assigned] Added Reference http://www.securityfocus.com/archive/1/456379/100/0/threaded [No Types Assigned] -
CVE Modified by [email protected]
Oct. 19, 2017
Action Type Old Value New Value Removed Reference http://milw0rm.com/exploits/3023 [No Types Assigned] Added Reference https://www.exploit-db.com/exploits/3023 [No Types Assigned] -
CVE Modified by [email protected]
Jul. 29, 2017
Action Type Old Value New Value Removed Reference http://xforce.iss.net/xforce/xfdb/31134 [No Types Assigned] Added Reference https://exchange.xforce.ibmcloud.com/vulnerabilities/31134 [No Types Assigned] -
Initial Analysis by [email protected]
Dec. 29, 2006
Action Type Old Value New Value
Vulnerability Scoring Details
Base CVSS Score: 6.5
Base CVSS Score: 4.3
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
5.48 }} 0.71%
score
0.89842
percentile