Cyber Risks · Cisco Talos

Microsoft Update Tuesday September 2014: another generally light month but with a significant IE bulletin

Summary: Microsoft's September 2014 Update Tuesday shipped four bulletins covering 42 CVEs, with the critical Internet Explorer bulletin MS14-052 accounting for 37 of them, 36 of which are remote code execution flaws. One IE flaw, CVE-2013-7331, is publicly known and under active exploitation, letting attackers use the XMLDOM ActiveX object to probe for local files, folders, and internal IP addresses via differing error messages.

Bottom line: One of the 42 CVEs is already public and being exploited in the wild, and it leaks exactly the kind of internal network detail - file presence and IP addresses - that attackers use to map a target before the next move.

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Topics
Vulnerabilities & Patching
Mentions
CVE-2013-7331CVE-2014-4068CVE-2014-4070CVE-2014-4071CVE-2014-4072CVE-2014-4074
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