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.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2009-12-23T21:00:00Z

Updated: 2024-09-17T01:35:32.632Z

Reserved: 2009-12-23T00:00:00Z

Link: CVE-2009-4409

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2009-12-23T21:30:00.313

Modified: 2010-01-06T05:00:00.000

Link: CVE-2009-4409

cve-icon Redhat

No data.