#VU31529 Universal cross-site scripting in Google Chrome - CVE-2011-3046

Vulnerability identifier: #VU31529

Vulnerability risk: Medium

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Green]

CVE-ID: CVE-2011-3046

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Google Chrome
Client/Desktop applications / Web browsers

Vendor: Google

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 passed via "The extension subsystem" when leveraging a "Universal XSS (UXSS)" issue. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in 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
Update to version 17.0.963.78.

Vulnerable software versions

Google Chrome: 17.0.963.0 - 17.0.963.77

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External links
https://code.google.com/p/chromium/issues/detail?id=117226
https://code.google.com/p/chromium/issues/detail?id=117230
https://googlechromereleases.blogspot.com/2012/03/chrome-stable-channel-update.html
https://lists.apple.com/archives/security-announce/2012/May/msg00000.html
https://lists.apple.com/archives/security-announce/2012/May/msg00002.html
https://lists.opensuse.org/opensuse-security-announce/2012-03/msg00012.html
https://secunia.com/advisories/47292
https://secunia.com/advisories/48321
https://secunia.com/advisories/48419
https://secunia.com/advisories/48527
https://security.gentoo.org/glsa/glsa-201203-19.xml
https://support.apple.com/kb/HT5282
https://www.securityfocus.com/bid/52369
https://www.securitytracker.com/id?1026776
https://www.zdnet.com/blog/security/cansecwest-pwnium-google-chrome-hacked-with-sandbox-bypass/10563
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14686
https://plus.google.com/u/0/116651741222993143554/posts/5Eq5d9XgFqs

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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.