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CVE-2009-0041

Published Jan 14, 2009 asterisk CWE-200

Overview

CVE-2009-0041 is a known-severity vulnerability affecting asterisk asterisk_business_edition. It was published on January 14, 2009.

Technical Description

IAX2 in Asterisk Open Source 1.2.x before 1.2.31, 1.4.x before 1.4.23-rc4, and 1.6.x before 1.6.0.3-rc2; Business Edition A.x.x, B.x.x before B.2.5.7, C.1.x.x before C.1.10.4, and C.2.x.x before C.2.1.2.1; and s800i 1.2.x before 1.3.0 responds differently to a failed login attempt depending on whether the user account exists, which allows remote attackers to enumerate valid usernames.

Remediation

Check the references section for vendor advisories and patches from asterisk. Update asterisk_business_edition to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected Products

Vendor Product Versions Status
asterisk asterisk_business_edition 0 Affected
asterisk open_source 0 Affected

References

Ref downloads.digium.com/pub/security/AST-2009-001.html Ref secunia.com/advisories/33453 Ref secunia.com/advisories/34982 Ref secunia.com/advisories/37677 Ref security.gentoo.org/glsa/glsa-200905-01.xml Ref securityreason.com/securityalert/4910 Ref www.debian.org/security/2009/dsa-1952 Ref www.securityfocus.com/archive/1/499884/100/0/threaded Ref www.securityfocus.com/bid/33174 Ref www.securitytracker.com/id?1021549

Frequently Asked Questions

What is CVE-2009-0041?

CVE-2009-0041 is a known-severity vulnerability affecting asterisk asterisk_business_edition. It was published on January 14, 2009.

How severe is CVE-2009-0041?

CVSS score information is not yet available for this vulnerability. Check back as the CVE record is updated by NVD analysts.

How do I fix or remediate CVE-2009-0041?

Check the references section for vendor advisories and patches from asterisk. Update asterisk_business_edition to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2009-0041?

CyberStrike's AI-powered security agents can automatically detect CVE-2009-0041 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.

How CyberStrike Helps

Autonomous Discovery

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Continuous Pentesting

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Code Review

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HackBrowser

Browser-based exploitation validates findings with real proof-of-concept.
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