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Windows IE Button Element Use-After-Free (Dec 31, 2012)



Description


Microsoft has released an out-of-band Microsoft Security Advisory (2794220) addressing an IE vulnerability on Dec 29th, 2012. The vulnerability is involved in Internet Explorer 6, Internet Explorer 7, and Internet Explorer 8. But Internet Explorer 9 and Internet Explorer 10 are not affected. The vulnerabilities is referred by CVE as CVE-2012-4792.

Dell SonicWALL UTM team has researched this vulnerability as soon as possible and created a couple of IPS signatures to capture the attack traffic. The following are the list of the IPS signatures.

  • 9445 Windows IE Button Element Use-After-Free 1
  • 9446 Windows IE Button Element Use-After-Free 2

For the Microsoft vulnerabilities covered by Dell SonicWALL, please refer to SonicWALL MAPP for details.

Update: we have also released another SonicAlert IE 0 day used in watering hole attacks (Jan 2, 2013) addressing a specific exploit in the wild.




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