CVE-2009-0041 - CVE House
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Status published Medium CVE-2009-0041

IAX2 in Asterisk Open Source 1.2.x before 1.2.31, 1.4.x before...

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

asterisk business edition, open source, s800i appliance
Vulnerable Versions:
0, a, b.1.3.2, b.1.3.3, b.2.2.0, b.2.2.1, b.2.3.1, b.2.3.2, b.2.3.3, b.2.3.4, b.2.3.5, b.2.3.6, b.2.5.0, b.2.5.1, b.2.5.3, c.1.0, 1.2.0, 1.2.0beta1, 1.2.0beta2, 1.2.1, 1.2.2, 1.2.3, 1.2.10, 1.2.11, 1.2.12, 1.2.12.1, 1.2.13, 1.2.14, 1.2.15, 1.2.16, 1.2.17, 1.2.18, 1.2.19, 1.2.20, 1.2.21, 1.2.21.1, 1.2.22, 1.2.23, 1.2.24, 1.2.25, 1.2.26, 1.2.26.1, 1.2.26.2, 1.2.27, 1.2.28, 1.2.29, 1.2.30, 1.2.30.2, 1.2.30.3, 1.4.0, 1.4.1, 1.4.2, 1.4.3, 1.4.4, 1.4.5, 1.4.6, 1.4.7, 1.4.7.1, 1.4.8, 1.4.9, 1.4.10, 1.4.10.1, 1.4.11, 1.4.12, 1.4.12.1, 1.4.13, 1.4.14, 1.4.15, 1.4.16, 1.4.16.1, 1.4.16.2, 1.4.17, 1.4.18, 1.4.18.1, 1.4.19, 1.4.19.1, 1.4.19.2, 1.4.20, 1.4.21, 1.4.21.1, 1.4.21.2, 1.4.22, 1.4.22.1, 1.4.22.2, 1.4.23, 1.4_revision_95946, 1.4beta, 1.6.0, 1.6.0.1, 1.6.0.2, 1.6.0.3, 1.2

Timeline

Official Publish: January 14th, 2009
Last Modified: August 7th, 2024
Added to House: July 19th, 2026

CVSS Vectors

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.