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 solution or workaround provided in the CVE record.
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: 2026-06-16T23:13:36.723
Link: CVE-2009-4409
No data.
OpenCVE Enrichment
No data.
Weaknesses
EUVD