CVE-2007-0087
Published Jan 5, 2007 · Updated Oct 23, 2026
Original summary
Normalized public record · Updated Oct 23, 2026
Microsoft Internet Information Services (IIS), when accessed through a TCP connection with a large window size, allows remote attackers to cause a denial of service (network bandwidth consumption) via a Range header that specifies multiple copies of the same fragment. NOTE: the severity of this issue has been disputed by third parties, who state that the large window size required by the attack is not normally supported or configured by the server, or that a DDoS-style attack would accomplish the same goal
Publisher and source text is retained separately from QFinch interpretation.
QFinch assessment
Microsoft Internet Information Services (IIS), when accessed through a TCP connection with a large window size, allows remote attackers to cause a denial of service (network bandwidth consumption) via a Range header that specifies multiple copies of the same fragment. NOTE: the severity of this issue has been disputed by third parties, who state that the large window size required by the attack is not normally supported or configured by the server, or that a DDoS-style attack would accomplish the same goal
Evidence: public source recordsAffected products
| Affected package, product or range | Fix status |
|---|---|
| Consult the referenced vendor advisory for affected versions. | Consult source advisory |
Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.
Remediation
Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.
- Confirm the affected product and reachable code path exist in your environment.
- Apply the vendor-supported patch or mitigation from the primary advisory.
- Rescan the exact deployed revision and retain verification evidence.
Evidence coverage
- SSVC priority
- LOW
- Confidence
- 10%
- Aliases
- None reported
Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.
Sources and record history
- 20070104 Re: a cheesy Apache / IIS DoS vuln (+a question) ↗
- 20070104 Re: a cheesy Apache / IIS DoS vuln (+a question) ↗
- 20070103 a cheesy Apache / IIS DoS vuln (+a question) ↗
- 20070104 Re: a cheesy Apache / IIS DoS vuln (+a question) ↗
- 33457 ↗
Record history
Published Jan 5, 2007 · Last refreshed Oct 23, 2026