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Sid 1-37881

Message

BROWSER-IE Microsoft Internet Explorer DOM mergeAttributes memory corruption attempt

Summary

Microsoft Internet Explorer 5.01 SP4, 6, and 6 SP1 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."

Impact

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

CVE-2010-0247:

CVSS base score 9.3

CVSS impact score 10.0

CVSS exploitability score 8.6

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

CVE-2011-0094:

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-2010-0247: Microsoft Internet Explorer 5.01 SP4, 6, and 6 SP1 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."

CVE-2011-0094: Use-after-free vulnerability in Microsoft Internet Explorer 6 and 7 allows remote attackers to execute arbitrary code by accessing an object that (1) was not properly initialized or (2) is deleted, aka "Layouts Handling Memory Corruption Vulnerability."

Affected systems

  • microsoft ie 5.01
  • microsoft ie 6
  • microsoft ie 6.0
  • microsoft ie 6.00.2462.0000
  • microsoft ie 6.00.2479.0006
  • microsoft ie 6.0.2600
  • microsoft ie 6.00.2600.0000
  • microsoft ie 6.0.2800
  • microsoft ie 6.0.2800.1106
  • microsoft ie 6.0.2900
  • microsoft ie 6.0.2900.2180
  • microsoft ie 6.00.3663.0000
  • microsoft ie 6.00.3718.0000
  • microsoft ie 6.00.3790.0000
  • microsoft ie 6.00.3790.1830
  • microsoft ie 6.00.3790.3959
  • microsoft ie 7

Ease of attack

CVE-2010-0247:

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

CVE-2011-0094:

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

  • osvdb.org/show/osvdb/61913
  • technet.microsoft.com/en-us/security/bulletin/MS10-002
  • technet.microsoft.com/en-us/security/bulletin/MS11-018