Description
The (1) CHAP and (2) MS-CHAP-V2 authentication capabilities in the PPP Access Concentrator (PPPAC) function in Internet Initiative Japan SEIL/B1 firmware 1.00 through 2.52 use the same challenge for each authentication attempt, which allows remote attackers to bypass authentication via a replay attack.
Analysis and contextual insights are available on OpenCVE Cloud.
Remediation
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
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Advisories
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2009-4376 | The (1) CHAP and (2) MS-CHAP-V2 authentication capabilities in the PPP Access Concentrator (PPPAC) function in Internet Initiative Japan SEIL/B1 firmware 1.00 through 2.52 use the same challenge for each authentication attempt, which allows remote attackers to bypass authentication via a replay attack. |
References
History
No history.
Status: PUBLISHED
Assigner: mitre
Published:
Updated: 2024-09-17T01:35:32.632Z
Reserved: 2009-12-23T00:00:00.000Z
Link: CVE-2009-4409
No data.
Status : Modified
Published: 2009-12-23T21:30:00.313
Modified: 2026-04-23T00:35:47.467
Link: CVE-2009-4409
No data.
OpenCVE Enrichment
No data.
Weaknesses
EUVD