Multiple vulnerabilities in MediaWiki



| Updated: 2020-12-22
Risk Medium
Patch available YES
Number of vulnerabilities 3
CVE-ID CVE-2013-4301
CVE-2013-4302
CVE-2013-4305
CWE-ID CWE-200
CWE-352
CWE-79
Exploitation vector Network
Public exploit N/A
Vulnerable software
MediaWiki
Web applications / CMS

Vendor MediaWiki.org

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

1) Information disclosure

EUVDB-ID: #VU42417

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2013-4301

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

includes/resourceloader/ResourceLoaderContext.php in MediaWiki 1.19.x before 1.19.8, 1.20.x before 1.20.7, and 1.21.x before 1.21.2 allows remote attackers to obtain sensitive information via a "<" (open angle bracket) character in the lang parameter to w/load.php, which reveals the installation path in an error message.

Mitigation

Install update from vendor's website.

Vulnerable software versions

MediaWiki: 1.19.0 - 1.21.1

CPE2.3 External links

https://lists.wikimedia.org/pipermail/mediawiki-announce/2013-September/000133.html
https://osvdb.org/96913
https://seclists.org/oss-sec/2013/q3/553
https://secunia.com/advisories/54715
https://bugzilla.wikimedia.org/show_bug.cgi?id=46332
https://exchange.xforce.ibmcloud.com/vulnerabilities/86895
https://www.mediawiki.org/wiki/Release_notes/1.19
https://www.mediawiki.org/wiki/Release_notes/1.20
https://www.mediawiki.org/wiki/Release_notes/1.21


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Cross-site request forgery

EUVDB-ID: #VU42418

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2013-4302

CWE-ID: CWE-352 - Cross-Site Request Forgery (CSRF)

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform cross-site request forgery attacks.

The vulnerability exists due to insufficient validation of the HTTP request origin. A remote attacker can trick the victim to visit a specially crafted web page and wiki/api.

Mitigation

Install update from vendor's website.

Vulnerable software versions

MediaWiki: 1.19.0 - 1.21.1

CPE2.3 External links

https://lists.wikimedia.org/pipermail/mediawiki-announce/2013-September/000133.html
https://osvdb.org/96912
https://seclists.org/oss-sec/2013/q3/553
https://secunia.com/advisories/54715
https://www.debian.org/security/2013/dsa-2753
https://bugzilla.wikimedia.org/show_bug.cgi?id=49090
https://exchange.xforce.ibmcloud.com/vulnerabilities/86896
https://www.mediawiki.org/wiki/Release_notes/1.19
https://www.mediawiki.org/wiki/Release_notes/1.20
https://www.mediawiki.org/wiki/Release_notes/1.21


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Cross-site scripting

EUVDB-ID: #VU42473

Risk: Low

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2013-4305

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

Vulnerability allows a remote attacker to perform XSS attacks.

The vulnerability is caused by an input validation error in contrib/example.php in the SyntaxHighlight GeSHi extension for MediaWiki, possibly as downloaded before September 2013, when processing PATH_INFO. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in victim's browser in security context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Install update from vendor's website.

Vulnerable software versions

MediaWiki: 1.19.7 - 1.21.1

CPE2.3 External links

https://lists.wikimedia.org/pipermail/mediawiki-announce/2013-September/000133.html
https://osvdb.org/96909
https://seclists.org/oss-sec/2013/q3/553
https://bugzilla.wikimedia.org/show_bug.cgi?id=49070
https://exchange.xforce.ibmcloud.com/vulnerabilities/86890


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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