CVE-2009-4409

2009-12-23T21:30:00
ID CVE-2009-4409
Type cve
Reporter cve@mitre.org
Modified 2010-01-06T05:00:00

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.