CVE-2009-4409
Last modified
CVE-2009-4409 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 1.36% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Iij | Seil\/B1 | 1.00 |
| Iij | Seil\/B1 | 2.01 |
| Iij | Seil\/B1 | 2.10 |
| Iij | Seil\/B1 | 2.20 |
| Iij | Seil\/B1 | 2.30 |
| Iij | Seil\/B1 | 2.40 |
| Iij | Seil\/B1 | 2.41 |
| Iij | Seil\/B1 | 2.42 |
| Iij | Seil\/B1 | 2.50 |
| Iij | Seil\/B1 | 2.51 |
| Iij | Seil\/B1 | 2.52 |
References
- http://secunia.com/advisories/37628Vendor Advisory
- http://www.seil.jp/seilseries/security/2009/a00697.phpVendor Advisory
- http://secunia.com/advisories/37628Vendor Advisory
- http://www.seil.jp/seilseries/security/2009/a00697.phpVendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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