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Security Update 400 for Norton Internet Security

Jun 25, 2011

Security Updates give the most recent protection content for NIS product, which protect networked critical systems and remote and mobile users from unwanted network intrusions and hackers, as well as from viruses, Trojans, and worms.

To download and install the Security Update 400 you need to run LiveUpdate feature of Norton Internet Security product. Please note that LiveUpdate definition identifier of Security Update 400 is 20110624.050 and its description was last modified on June 24, 2011 6:44:21 PM PDT.

Security Update 400 adds coverage for the following vulnerabilities and threats:

  • Attack: MS Excel SLK File Font Parsing CVE-2011-1276:
    This signature detects attempt to a remote code execution vulnerability in Microsoft Excel application while parsing specially crafted SLK files.


Security Update 400 provides updated coverage for the following vulnerabilities and threats:
  • Web Attack: Eleonore Toolkit Activity 3:
    This signature detects attempts to download exploits from a Eleonore toolkit which may compromise a computer through various vendor vulnerabilities.

  • Web Attack: Blackhole Toolkit File Download:
    This signature detects attempts to download exploits from Blackhole toolkit that may compromise a computer through various vendor vulnerabilities.

  • Fake App Attack: Fake AV Website 18:
    A Web based attack relating to misleading applications has been blocked. No further action is required, but you may wish to update your virus definitions and run a full system scan as a precautionary measure.

  • Web Attack: Eleonore Toolkit Website 2:
    This signature detects attempts to download exploits from a Eleonore toolkit which may compromise a computer through various vendor vulnerabilities.

  • Attack: MS IE Time Element CVE-2011-1255 2:
    This signature detects attempts to exploit a remote code execution vulnerability in Microsoft Internet Explorer


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