5.8
MEDIUM
CVE-2011-1766
MediaWiki Authentication Bypass Vulnerability
Description

includes/User.php in MediaWiki before 1.16.5, when wgBlockDisablesLogin is enabled, does not clear certain cached data after verification of an auth token fails, which allows remote attackers to bypass authentication by creating crafted wikiUserID and wikiUserName cookies, or by leveraging an unattended workstation.

INFO

Published Date :

May 23, 2011, 10:55 p.m.

Last Modified :

June 16, 2011, 2:56 a.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

4.9

Exploitability Score :

8.6
Affected Products

The following products are affected by CVE-2011-1766 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 Mediawiki mediawiki
: Total Affected Vendor : 1 | Products : 1
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-2011-1766.

URL Resource
http://lists.fedoraproject.org/pipermail/package-announce/2011-May/060435.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-May/060496.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-May/060507.html
http://lists.wikimedia.org/pipermail/mediawiki-announce/2011-May/000098.html Patch
http://secunia.com/advisories/44684
http://www.securityfocus.com/bid/47722
https://bugzilla.redhat.com/show_bug.cgi?id=702512 Patch
https://bugzilla.wikimedia.org/show_bug.cgi?id=28639 Patch

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-2011-1766 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2011-1766 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.

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-2011-1766 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-2011-1766 weaknesses.

Exploit Prediction

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

1.78 }} 0.00%

score

0.86131

percentile

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