The PPTP VPN service in Watchguard Firebox before 10, when performing the MS-CHAPv2 authentication handshake, generates different error codes depending on whether the username is valid or invalid, which allows remote attackers to enumerate valid usernames.
Advisories
Source ID Title
EUVD EUVD EUVD-2008-1619 The PPTP VPN service in Watchguard Firebox before 10, when performing the MS-CHAPv2 authentication handshake, generates different error codes depending on whether the username is valid or invalid, which allows remote attackers to enumerate valid usernames.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-07T08:24:42.935Z

Reserved: 2008-04-02T00:00:00

Link: CVE-2008-1618

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2008-04-07T18:44:00.000

Modified: 2025-04-09T00:30:58.490

Link: CVE-2008-1618

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.