Vulnerability CVE-2008-4800
Published: 2008-10-30   Modified: 2012-02-12

Description:
The DebugDiag ActiveX control in CrashHangExt.dll, possibly 1.0, in Microsoft Debug Diagnostic Tool allows remote attackers to cause a denial of service (NULL pointer dereference and Internet Explorer 6.0 crash) via a large negative integer argument to the GetEntryPointForThread method. NOTE: this issue might only be exploitable in limited environments or non-default browser settings.

See advisories in our WLB2 database:
Topic
Author
Date
Med.
DebugDiag (CrashHangExt.dll 1.0) NULL Pointer Dereference
crimson.loyd_at_...
31.10.2008

Type:

CWE-399

 (Resource Management Errors)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Microsoft -> Debug diagnostic tool 

 References:
http://securityreason.com/securityalert/4532
http://www.securityfocus.com/archive/1/497943/100/0/threaded
http://www.securityfocus.com/bid/31996
https://exchange.xforce.ibmcloud.com/vulnerabilities/46309
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