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5.0
MEDIUM CVSS 2.0
CVE-2005-0095
Squid Denial of Service Despite Spoofed Source
Description

The WCCP message parsing code in Squid 2.5.STABLE7 and earlier allows remote attackers to cause a denial of service (crash) via malformed WCCP messages with source addresses that are spoofed to reference Squid's home router and invalid WCCP_I_SEE_YOU cache numbers.

INFO

Published Date :

Jan. 15, 2005, 5 a.m.

Last Modified :

April 3, 2025, 1:03 a.m.

Remotely Exploit :

Yes !

Source :

[email protected]
Affected Products

The following products are affected by CVE-2005-0095 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 Squid squid
: Total Affected Vendor : 1 | Products : 1
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 MEDIUM [email protected]
Solution
The Squid proxy server is vulnerable to a denial of service; upgrading to a patched version is recommended.
  • Update the Squid package.
  • Upgrade to a later version.
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-2005-0095.

URL Resource
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000923 Patch Vendor Advisory
http://fedoranews.org/updates/FEDORA--.shtml
http://secunia.com/advisories/13825 Patch Vendor Advisory
http://security.gentoo.org/glsa/glsa-200501-25.xml Patch Vendor Advisory
http://securitytracker.com/id?1012882
http://www.debian.org/security/2005/dsa-651 Patch Vendor Advisory
http://www.mandriva.com/security/advisories?name=MDKSA-2005:014
http://www.novell.com/linux/security/advisories/2005_06_squid.html Patch Vendor Advisory
http://www.osvdb.org/12886
http://www.redhat.com/support/errata/RHSA-2005-060.html Patch Vendor Advisory
http://www.redhat.com/support/errata/RHSA-2005-061.html Patch Vendor Advisory
http://www.securityfocus.com/bid/12275
http://www.squid-cache.org/Advisories/SQUID-2005_2.txt Patch Vendor Advisory
http://www.squid-cache.org/Versions/v2/2.5/bugs/squid-2.5.STABLE7-wccp_denial_of_service.patch Exploit Vendor Advisory
http://www.trustix.org/errata/2005/0003/ Patch Vendor Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10269
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000923 Patch Vendor Advisory
http://fedoranews.org/updates/FEDORA--.shtml
http://secunia.com/advisories/13825 Patch Vendor Advisory
http://security.gentoo.org/glsa/glsa-200501-25.xml Patch Vendor Advisory
http://securitytracker.com/id?1012882
http://www.debian.org/security/2005/dsa-651 Patch Vendor Advisory
http://www.mandriva.com/security/advisories?name=MDKSA-2005:014
http://www.novell.com/linux/security/advisories/2005_06_squid.html Patch Vendor Advisory
http://www.osvdb.org/12886
http://www.redhat.com/support/errata/RHSA-2005-060.html Patch Vendor Advisory
http://www.redhat.com/support/errata/RHSA-2005-061.html Patch Vendor Advisory
http://www.securityfocus.com/bid/12275
http://www.squid-cache.org/Advisories/SQUID-2005_2.txt Patch Vendor Advisory
http://www.squid-cache.org/Versions/v2/2.5/bugs/squid-2.5.STABLE7-wccp_denial_of_service.patch Exploit Vendor Advisory
http://www.trustix.org/errata/2005/0003/ Patch Vendor Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10269
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2005-0095 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-2005-0095 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-2005-0095 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2005-0095 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 af854a3a-2127-422b-91ae-364da2661108

    Nov. 20, 2024

    Action Type Old Value New Value
    Added Reference http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000923
    Added Reference http://fedoranews.org/updates/FEDORA--.shtml
    Added Reference http://secunia.com/advisories/13825
    Added Reference http://security.gentoo.org/glsa/glsa-200501-25.xml
    Added Reference http://securitytracker.com/id?1012882
    Added Reference http://www.debian.org/security/2005/dsa-651
    Added Reference http://www.mandriva.com/security/advisories?name=MDKSA-2005:014
    Added Reference http://www.novell.com/linux/security/advisories/2005_06_squid.html
    Added Reference http://www.osvdb.org/12886
    Added Reference http://www.redhat.com/support/errata/RHSA-2005-060.html
    Added Reference http://www.redhat.com/support/errata/RHSA-2005-061.html
    Added Reference http://www.securityfocus.com/bid/12275
    Added Reference http://www.squid-cache.org/Advisories/SQUID-2005_2.txt
    Added Reference http://www.squid-cache.org/Versions/v2/2.5/bugs/squid-2.5.STABLE7-wccp_denial_of_service.patch
    Added Reference http://www.trustix.org/errata/2005/0003/
    Added Reference https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10269
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Oct. 11, 2017

    Action Type Old Value New Value
    Removed Reference http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:10269 [No Types Assigned]
    Added Reference https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10269 [No Types Assigned]
  • Initial Analysis by [email protected]

    Jun. 03, 2005

    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.
Vulnerability Scoring Details
Base CVSS Score: 5
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

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

75.84 }} -3.80%

score

0.98847

percentile