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Sid 1-42389

Message

BROWSER-IE Microsoft Internet Explorer uninitialized or deleted object access attempt

Summary

Microsoft Internet Explorer 6, 6 SP1, 7, and 8 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing an object that (1) was not properly initialized or (2) is deleted, leading to memory corruption, aka "Uninitialized Memory Corruption Vulnerability," a different vulnerability than CVE-2009-2531.

Impact

CVSS base score 9.3 CVSS impact score 10.0 CVSS exploitability score 8.6 confidentialityImpact COMPLETE integrityImpact COMPLETE availabilityImpact COMPLETE

CVE-2009-2530:

CVSS base score 9.3

CVSS impact score 10.0

CVSS exploitability score 8.6

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

Detailed information

CVE-2009-2530: Microsoft Internet Explorer 6, 6 SP1, 7, and 8 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing an object that (1) was not properly initialized or (2) is deleted, leading to memory corruption, aka "Uninitialized Memory Corruption Vulnerability," a different vulnerability than CVE-2009-2531.

Affected systems

  • microsoft internet_explorer 5.01
  • microsoft internet_explorer 6
  • microsoft internet_explorer 7
  • microsoft internet_explorer 8
  • microsoft windows_2000 *
  • microsoft windows_7 -
  • microsoft windowsserver2003 *
  • microsoft windowsserver2008 *
  • microsoft windowsserver2008 -
  • microsoft windows_vista *
  • microsoft windows_vista -
  • microsoft windows_xp *
  • microsoft windows_xp -

Ease of attack

CVE-2009-2530:

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

False positives

None known

False negatives

None known

Corrective action

Upgrade to the latest non-affected version of the software.

Apply the appropriate vendor supplied patches.

Contributors

  • Talos research team.
  • This document was generated from data supplied by the national vulnerability database, a product of the national institute of standards and technology.
  • For more information see nvd.

Additional References

  • technet.microsoft.com/en-us/security/bulletin/MS09-054