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MEDIUM · 5.0

CVE-2009-0041

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...

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.

CVSS Score

5.0

MEDIUM

AV:N/AC:L/Au:N/C:P/I:N/A:N
Confidentiality
PARTIAL
Integrity
NONE
Availability
NONE

Affected Products

VendorProductVersions
AsteriskAsterisk Business Edition<= b.2.5.2
AsteriskOpen Source<= 1.2.30.4
AsteriskS800I Appliance1.2

Related Weaknesses (CWE)

CWE-200

References

FAQ

What is CVE-2009-0041?

CVE-2009-0041 is a vulnerability with a CVSS score of 5.0 (MEDIUM). 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...

How severe is CVE-2009-0041?

CVE-2009-0041 has been rated MEDIUM with a CVSS base score of 5.0/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2009-0041?

Check the references section above for vendor advisories and patch information. Affected products include: Asterisk Asterisk Business Edition, Asterisk Open Source, Asterisk S800I Appliance.