39519 : Asterisk Host Based Registration Database Security Bypass
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Views This Week
1

Views All Time
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Info

Last Modified
5 months ago

Percent Complete
45%

Disclosure
Dec 18, 2007

Discovery
Unknown

Dates

Exploit
Unknown

Solution
Unknown

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Description

 (Description Provided by CVE) : Asterisk Open Source 1.2.x before 1.2.26 and 1.4.x before 1.4.16, and Business Edition B.x.x before B.2.3.6 and C.x.x before C.1.0-beta8, when using database-based registrations ("realtime") and host-based authentication, does not check the IP address when the username is correct and there is no password, which allows remote attackers to bypass authentication using a valid username.

Classification

 Location: Local Access Required, Remote/Network Access Required
Attack Type: Authentication Management
Impact: Loss of Integrity
Solution: Upgrade

Technical

 Successful exploitation requires that host-based authentication is used and that the attacker has knowledge of a valid username.

Solution

 Upgrade to the correct version provided by the vendor, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

Unknown or Incomplete

References

Tools & Filters

Nessus

 31631 31960

Credit

Unknown or Incomplete

Blogs

Provided by Technorati

2007/12/18 22:38:04 | Database matching order permits host-based authentication to be ignored

from: Asterisk News and VoIP services - Asterisk is at Version 1.4

*-announce: Database matching order permits host-based authentication to be ignored [ Click to view a printable version] ... | |--------------------+---------------------------------------------------| | CVE Name | CVE-2007-6430

2007/12/18 20:24:05 | [Full-disclosure] AST-2007-027 - Database matching order permits host-based authentication to be ignored

from: Full-Disclosure digest, knowledge base

Asterisk Project Security Advisory - AST-2007-027 +------------------------------------------------------------------------+ | Product | Asterisk | ... ; | |--------------------+---------------------------------------------------| | CVE Name | CVE-2007-6430

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