VAR-200212-0717
Vulnerability from variot - Updated: 2023-12-18 13:54Serv-U FTP server 3.0, 3.1 and 4.0.0.4 does not accept new connections while validating user folder access rights, which allows remote attackers to cause a denial of service (no new connections) via a series of MKD commands. A denial of service vulnerability has been reported for Serv-U FTP server. The vulnerability is a result of Serv-U FTP Server processing certain commands. When the Serv-U server receives a MKD command it attempts to verify whether the user that issued the command has sufficient rights. When performing this verification, it will not accept any more connections. An attacker that issues many such commands will prevent the server from accepting connections for an indefinite period of time thus creating the denial of service condition
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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.
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