#VU45104 Cross-site scripting in MediaWiki - CVE-2011-1579
Vulnerability identifier: #VU45104
Vulnerability risk: Low
CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2011-1579
CWE-ID:
CWE-79
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
MediaWiki
Web applications /
CMS
Vendor: MediaWiki.org
Description
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data. The vulnerability allows remote attackers to conduct cross-site scripting (XSS) attacks or obtain sensitive information by using the 2f2a and 2a2f hex strings to surround CSS comments.
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: 1.1.0 - 1.16.1, 1.2.0 - 1.2.6, 1.3 - 1.3.15, 1.4 - 1.4.14, 1.5 - 1.5.8, 1.6.0 - 1.6.12, 1.7.0 - 1.7.3, 1.8.0 - 1.8.5, 1.9.0 - 1.9.6
External links
https://lists.fedoraproject.org/pipermail/package-announce/2011-April/058588.html
https://lists.fedoraproject.org/pipermail/package-announce/2011-April/058910.html
https://lists.fedoraproject.org/pipermail/package-announce/2011-April/059232.html
https://lists.fedoraproject.org/pipermail/package-announce/2011-April/059235.html
https://lists.wikimedia.org/pipermail/mediawiki-announce/2011-April/000096.html
https://openwall.com/lists/oss-security/2011/04/13/15
https://secunia.com/advisories/44142
https://www.debian.org/security/2011/dsa-2366
https://www.mediawiki.org/wiki/Special:Code/MediaWiki/85856
https://www.securityfocus.com/bid/47354
https://www.vupen.com/english/advisories/2011/0978
https://www.vupen.com/english/advisories/2011/1100
https://www.vupen.com/english/advisories/2011/1151
https://bugzilla.redhat.com/show_bug.cgi?id=695577
https://bugzilla.redhat.com/show_bug.cgi?id=696360
https://bugzilla.wikimedia.org/show_bug.cgi?id=28450
https://exchange.xforce.ibmcloud.com/vulnerabilities/66738
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.
