Multiple vulnerabilities in Microsoft Internet Explorer
| Risk | Critical |
| Patch available | YES |
| Number of vulnerabilities | 3 |
| CVE-ID | CVE-2006-4687 CVE-2006-4446 CVE-2006-4777 |
| CWE-ID | CWE-119 |
| Exploitation vector | Network |
| Public exploit |
Vulnerability #2 is being exploited in the wild. Vulnerability #3 is being exploited in the wild. |
| Vulnerable software |
Microsoft Internet Explorer Client/Desktop applications / Web browsers |
| Vendor | Microsoft |
Security Bulletin
This security bulletin contains information about 3 vulnerabilities.
This security bulletin describes two zero-day vulnerabilities in Microsoft DirectAnimation ActiveX controls and one vulnerability in HTML rendering engine.
1) Memory corruption
EUVDB-ID: #VU1224
Risk: High
CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]
CVE-ID: CVE-2006-4687
CWE-ID:
CWE-119 - Memory corruption
Exploit availability: No
DescriptionThe vulnerability allows a remote user to execute arbitrary code on the target system.
The vulnerability exists due to memory corruption when handling certain layout combinations during HTML rendering process, which involve DIV tags and HTML CSS float properties. A remote attacker can create a specially crafted web page, trick the victim into opening it and execute arbitrary code with privileges of the current user.
Successful exploitation of the vulnerability results in compromise of vulnerable system.
Note: this vulnerability is being actively exploited.
MitigationInstall updates from vendor's website:
- Microsoft Internet Explorer 6 Service Pack 1 on Windows 2000 Service Pack 4 — Download the update
- Microsoft Internet Explorer 6 for Windows XP Service Pack 2 — Download the update
- Microsoft Internet Explorer 6 for Windows XP Professional x64 Edition — Download the update
- Microsoft Internet Explorer 6 for Windows Server 2003 and Microsoft Windows Server 2003 Service Pack 1 — Download the update
- Microsoft Internet Explorer 6 for Windows Server 2003 for Itanium-based Systems and Windows Server 2003 with SP1 for Itanium-based Systems — Download the update
- Microsoft Internet Explorer 6 for Windows Server 2003 x64 Edition — Download the update
Microsoft Internet Explorer: 6
CPE2.3 External linkshttps://technet.microsoft.com/library/security/ms06-067
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to visit a specially crafted website.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Heap-based buffer overflow
EUVDB-ID: #VU1223
Risk: Critical
CVSSv4.0: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red]
CVE-ID: CVE-2006-4446
CWE-ID:
CWE-119 - Memory corruption
Exploit availability: Yes
DescriptionThe vulnerability allows a remote user to execute arbitrary code on the target system.
The vulnerability exists due to heap-based buffer overflow in DirectAnimation.PathControl ActiveX control (daxctle.ocx) when handling unexpected input. A remote attacker can create a specially crafted web page, trick the victim into opening it and execute arbitrary code with privileges of the current user.
Successful exploitation of the vulnerability results in compromise of vulnerable system.
Note: this vulnerability is being actively exploited.
MitigationInstall updates from vendor's website:
- Microsoft Internet Explorer 5.01 Service Pack 4 on Windows 2000 Service Pack 4 — Download the update
- Microsoft Internet Explorer 6 Service Pack 1 on Windows 2000 Service Pack 4 — Download the update
- Microsoft Internet Explorer 6 for Windows XP Service Pack 2 — Download the update
- Microsoft Internet Explorer 6 for Windows XP Professional x64 Edition — Download the update
- Microsoft Internet Explorer 6 for Windows Server 2003 and Microsoft Windows Server 2003 Service Pack 1 — Download the update
- Microsoft Internet Explorer 6 for Windows Server 2003 for Itanium-based Systems and Windows Server 2003 with SP1 for Itanium-based Systems — Download the update
- Microsoft Internet Explorer 6 for Windows Server 2003 x64 Edition — Download the update
Microsoft Internet Explorer: 5.01 - 6
CPE2.3- cpe:2.3:a:microsoft:microsoft_internet_explorer:5.01:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:microsoft_internet_explorer:6:*:*:*:*:*:*:*
https://technet.microsoft.com/library/security/ms06-067
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to visit a specially crafted website.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, a fully functional exploit for this vulnerability is available.
3) Heap-based buffer overflow
EUVDB-ID: #VU1222
Risk: Critical
CVSSv4.0: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red]
CVE-ID: CVE-2006-4777
CWE-ID:
CWE-119 - Memory corruption
Exploit availability: Yes
DescriptionThe vulnerability allows a remote user to execute arbitrary code on the target system.
The vulnerability exists due to heap-based buffer overflow within DirectAnimation Path ActiveX control (daxctle.ocx) when handling unexpected input. A remote attacker can create a specially crafted web page, trick the victim into opening it and execute arbitrary code with privileges of the current user.
Successful exploitation of the vulnerability results in compromise of vulnerable system.
Note: this vulnerability is being actively exploited.
MitigationInstall updates from vendor's website:
- Microsoft Internet Explorer 5.01 Service Pack 4 on Windows 2000 Service Pack 4 — Download the update
- Microsoft Internet Explorer 6 Service Pack 1 on Windows 2000 Service Pack 4 — Download the update
- Microsoft Internet Explorer 6 for Windows XP Service Pack 2 — Download the update
- Microsoft Internet Explorer 6 for Windows XP Professional x64 Edition — Download the update
- Microsoft Internet Explorer 6 for Windows Server 2003 and Microsoft Windows Server 2003 Service Pack 1 — Download the update
- Microsoft Internet Explorer 6 for Windows Server 2003 for Itanium-based Systems and Windows Server 2003 with SP1 for Itanium-based Systems — Download the update
- Microsoft Internet Explorer 6 for Windows Server 2003 x64 Edition — Download the update
Microsoft Internet Explorer: 5.01 - 6
CPE2.3- cpe:2.3:a:microsoft:microsoft_internet_explorer:5.01:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:microsoft_internet_explorer:6:*:*:*:*:*:*:*
https://technet.microsoft.com/library/security/ms06-067
https://technet.microsoft.com/library/security/925444
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to visit a specially crafted website.
Is there known malware, which exploits this vulnerability?
Yes. This vulnerability is being exploited in the wild.
