Microsoft Internet Explorer before 10 allows remote attackers to obtain sensitive information about the existence of files, and read certain data from files, via a UNC share pathname in the SRC attribute of a SCRIPT element, as demonstrated by reading a name-value pair from a local file via a \\127.0.0.1\C$\ sequence.
'Internet Explorer version 6 through 9 are affected..'
CVSS Severity (version 2.0):
Impact Subscore: 2.9
Exploitability Subscore: 4.9
CVSS Version 2 Metrics:
Access Vector: Network exploitable; Victim must voluntarily interact with attack mechanism
Access Complexity: High
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information
CVSS score based on update to http://www.nsfocus.com/en/2012/advisories_1228/119.html:
"An attacker would not be able to discover information or files
on a system that they do not already know the name and file path.
They have to guess the path and name. "
References to Advisories, Solutions, and Tools
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