Microsoft Internet Explorer 9, 10 and 11 Multiple Flaws

Multiple vulnerabilities were reported in Microsoft Internet Explorer. A remote user can cause arbitrary code to be executed on the target user’s system. A remote user can obtain potentially sensitive information on the target system.

A remote user can create specially crafted content that, when loaded by the target user, will trigger an object memory handling error and execute arbitrary code on the target user’s system [CVE-2017-11822, CVE-2017-11813].

A remote user can create specially crafted content that, when loaded by the target user, will trigger an object memory handling error and access potentially sensitive information on the target user’s system [CVE-2017-11790].

A remote user can create specially crafted content that, when loaded by the target user, will trigger an object memory handling error and execute arbitrary code on the target user’s system [CVE-2017-11793, CVE-2017-11809, CVE-2017-11810]. This can also be exploited via an embedded ActiveX control marked “safe for initialization” in an application or Microsoft Office document that hosts the IE rendering engine.

Hui Gao of Palo Alto Networks, Heige (a.k.a. SuperHei) of Knownsec 404 Security Team, Jaanus Kp Clarified Security (via Trend Micros Zero Day Initiative), Dmitri Kaslov, Telspace Systems, Yixiang Zhu of National Engineering Lab for Mobile Internet System and Application Security, China, Lokihart of Google Project Zero, Ivan Fratric of Google Project Zero, and Atte Kettunen of F-Secure reported these vulnerabilities.

Impact:   A remote user can create content that, when loaded by the target user, will execute arbitrary code on the target user’s system.

A remote user can obtain potentially sensitive information on the target system.

Solution:   The vendor has issued a fix.

The Microsoft advisories are available at:

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11790
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11793
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11809
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11810
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11813
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11822





Duncan Newell

Duncan is a technology professional with over 20 years experience of working in various IT roles. He has a interest in cyber security, and has a wide range of other skills in radio, electronics and telecommunications.

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