VAR-200204-0016
Vulnerability from variot - Updated: 2025-04-03 22:25Buffer overflow in the ASP data transfer mechanism in Internet Information Server (IIS) 4.0, 5.0, and 5.1 allows remote attackers to cause a denial of service or execute code, aka "Microsoft-discovered variant of Chunked Encoding buffer overrun.". This condition affects IIS 4.0 and IIS 5.0. Exploitation of this vulnerability may result in a denial of service or allow for a remote attacker to execute arbitrary instructions on the victim host. Microsoft IIS 5.0 is reported to ship with a default script (iisstart.asp) which may be sufficient for a remote attacker to exploit. Other sample scripts may also be exploitable. A number of Cisco products are affected by this vulnerability, although this issue is not present in the Cisco products themselves
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.