Vulnerability identifier: #VU4204

Vulnerability risk: High

CVSSv3.1: 5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:F/RL:O/RC:C]

CVE-ID: CVE-2012-6467

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Opera
Client/Desktop applications / Web browsers

Vendor: Opera Software

Description
The vulnerability allows a remote attacker to perform phishing attacks.
 
The vulnerability exists due to improper input validation when processing Internet shortcuts, referenced by IMG or other inline elements. A remote attacker can create a specially crafted web page, trick the victim into visiting it and perform a phishing attack.

Note: the vulnerability was being actively exploited.

Mitigation
Update to version 12.10 or later.
http://www.opera.com/docs/changelogs/unified/1210/bugfixes/

Vulnerable software versions

Opera: 5..10 - 12.10

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External links
http://www.opera.com/docs/changelogs/unified/1210/

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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. However, a fully functional exploit for this vulnerability is available.