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VID 28065
Severity 40
Port 139,445
Protocol TCP
Class SMB
Detailed Description The Opera on the host, according to its version number, has a heap overflow vulnerability via 'HREF' tag. Opera is a Web browser, developed by Opera Software, for multiple operating systems. Opera versions 7.11 and 7.20 is vulnerable to a heap overflow, caused by improper handling of escape characters in 'HREF' tags. An attacker could create a malicious Web page containing an 'HREF' tag with multiple escape (%) characters following the server name and exploit this vulnerability by hosting it on a Web site or by sending it to a victim as an HTML email. If successfully exploited, a remote attacker could cause the Web browser to crash or execute arbitrary code on a victim's host.

* Note: This check requires an account with administrative privileges which can log into the host to scan. Absence of these condition will result in the check not being performed and a False Negative for all vulnerable hosts.

* References:
http://www.atstake.com/research/advisories/2003/a102003-1.txt
http://archives.neohapsis.com/archives/vulnwatch/2003-q4/0016.html

* Platforms Affected:
Opera 7.11
Opera 7.20
Linux Any version
Windows Any version
Recommendation Upgrade to the latest version of Opera (7.22 or later), available from the Web site at http://www.opera.com/download/
Related URL CVE-2003-0870 (CVE)
Related URL 8853 (SecurityFocus)
Related URL 13458 (ISS)