Quantum Secular Labs / Blog / Advisories

CVE-2006-1186: Microsoft Internet Explorer: Memory corruption

CVE-2006-1186 has a CVSS v2 base score of 10.0 (the maximum on that scale) and affects Microsoft Internet Explorer, along with 1 other product in NVD’s configuration data. Per its scoring, it can be exploited over the network, without authentication. The scored impact on confidentiality, integrity and availability is the highest available.

Vulnerability description

Microsoft Internet Explorer 5.01 through 6 allows remote attackers to execute arbitrary code via by instantiating the (1) Mdt2gddr.dll, (2) Mdt2dd.dll, and (3) Mdt2gddo.dll COM objects as ActiveX controls, which leads to memory corruption.

Severity breakdown

CVSS v2.0 10.0: AV:N/AC:L/Au:N/C:C/I:C/A:C

  • Access vector: Network. Exploitable remotely over the network.
  • Access complexity: Low. No special conditions are required.
  • Authentication: None. No authentication is needed.
  • Confidentiality impact: Complete. Total information disclosure.
  • Integrity impact: Complete. Total loss of integrity.
  • Availability impact: Complete. Total shutdown of the component.

Affected products

  • Microsoft Internet Explorer: 5.0.1; 5.0.1 sp1; 5.0.1 sp2; 5.0.1 sp3; 5.0.1 sp4; 5.01; 5.1; 5.01 sp1; 5.01 sp2; 5.01 sp3; 5.01 sp4; 5.5
  • Microsoft Ie: 5.0.1; 5.01 windows_2000_sp4; 6 windows_server_2003_sp1

References