zero day vulnerability

  • September 18, 2012

    Microsoft Internet Explorer Security Flaw

    Microsoft discovered a bug or as us techies call it zero day vulnerability in the Internet Explorer web browser.  The bug makes PCs vulnerable to attacks by hackers and malicious code.  The security flaw affects hundreds of millions of Internet Explorer browser users.  Microsoft said attackers can exploit the bug to infect the PC of somebody who visits a malicious website and then take control of the victim’s computer. All but one supported edition of IE is affected: 2001’s IE6, 2006’s IE7, 2009’s IE8 and last year’s IE9. Together, those browsers accounted for 53% of all browsers used worldwide.  The only exception is  IE10, the browser bundled with the new Windows 8, which does not contain the bug. Windows users are advised to switch from Internet Explorer to Chrome, Firefox or Opera until the bug is patched.  Microsoft did not say how long that will take, but several security researchers said they expect the update within a week.  The when Microsoft patches it will be rated “critical” the company’s highest threat ranking. Update: Microsoft will be releasing an out of band “critical” patch on Friday at close to 10 a.m. PT to patch this vulnerability.
  • Oracle Zero Day Vulnerability Still Not Patched after April’s patch release with had 88 patches.  The vulnerability allows an attacker to perform a man in the middle attack and capture information exchanged between clients and databases.  The vulnerability was reported in 2008 and has believed to been around since 1999 when the TNS Listener feature was added to Oracles product line.  Oracle has workarounds for the zero-day flaw which was found in there database server products.  Oracle has gone as far to release a security alert: Oracle Security Alert for CVE-2012-1675 The vulnerability is in the TNS listener which has been recently disclosed as “TNS Listener Poison Attack” affecting the Oracle Database Server.  The products affected are Oracle Database 11g Release 2, versions,, Oracle Database 11g Release 1, version, Oracle Database 10g Release 2, versions,,, Fusion Middleware, Enterprise Manager and E-Business Suite.  Oracle has released work arounds which can be found at My Oracle Support Note 1340831.1 and My Oracle Support Note 1453883.1.