medium
5
CWE
200
Advisory Published
Updated

CVE-2009-0041: Infoleak

First published: Wed Jan 14 2009(Updated: )

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.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Asterisk Business Edition=b.2.2.0
Asterisk=1.4.22
Asterisk=1.4.23-rc1
Asterisk=1.2.16-netsec
Asterisk=1.6.0-rc4
Asterisk=1.2.14
Asterisk Business Edition=b.2.3.5
Asterisk=1.6.0-beta7
Asterisk=1.2.30.2
Asterisk=1.4.19.1
Asterisk=1.4.19-rc2
Asterisk=1.2.20-netsec
Asterisk=1.6.0-rc5
Asterisk Business Edition=c.1.0-beta7
Asterisk=1.4.23-rc2
Asterisk=1.2.12-netsec
Asterisk=1.2.19-netsec
Asterisk<=1.4.23
Asterisk=1.2.15
Asterisk=1.2.27
Asterisk=1.4.9
Asterisk=1.4.20-rc2
Asterisk=1.4.10
Asterisk=1.4.6
Asterisk=1.2.14-netsec
Asterisk=1.2.3
Asterisk=1.2.23
Asterisk=1.2.0-beta2
Asterisk=1.6.0-beta5
Asterisk=1.2.26.2-netsec
Asterisk=1.4.0
Asterisk=1.4.20
Asterisk=1.2.26.1
Asterisk=1.4.15
Asterisk=1.4beta
Asterisk=1.4_revision_95946
Asterisk=1.4.21.1
Asterisk=1.2.13-netsec
Asterisk=1.4.21-rc2
Asterisk=1.6.0.1
Asterisk=1.2.25-netsec
Asterisk=1.2.0-rc2
Asterisk=1.2.1
Asterisk<=1.6.0.3
Asterisk=1.2.26-netsec
Asterisk=1.6.0-beta7.1
Asterisk=1.4.19-rc3
Asterisk=1.6.0-rc6
Asterisk Business Edition=b.2.3.1
Asterisk=1.2.24
Asterisk=1.6.0-beta1
Asterisk=1.4.12.1
Asterisk=1.4.12
Asterisk=1.4.19-rc4
Asterisk=1.4.16.2
Asterisk=1.4.13
Asterisk=1.2.0
Asterisk=1.2.25
Asterisk=1.2.3-netsec
Asterisk=1.2.18-netsec
Asterisk=1.2.10-netsec
Asterisk=1.2.11
Asterisk=1.4.10.1
Asterisk=1.2.12
Asterisk=1.4.18.1
Asterisk=1.2.13
Asterisk Business Edition=b.2.5.3
Asterisk Business Edition=b.2.5.0
Asterisk Business Edition=b.2.3.3
Asterisk=1.4.2
Asterisk=1.2.2
Asterisk=1.4.1
Asterisk=1.6.0-beta3
Asterisk Business Edition<=c.1.0
Asterisk=1.6.0-beta2
Asterisk=1.2.26
Asterisk=1.4.0-beta4
Asterisk=1.2.24-netsec
Asterisk=1.4.20-rc3
Asterisk=1.4.11
Digium Asterisk s800i Appliance=1.2
Asterisk=1.2.21
Asterisk=1.4.3
Asterisk Business Edition=b.2.5.1
Asterisk=1.2.21-netsec
Asterisk=1.4.7
Asterisk Business Edition=b.1.3.2
Asterisk=1.2.0-rc1
Asterisk=1.6.0-beta8
Asterisk=1.4.22-rc3
Asterisk=1.2.11-netsec
Asterisk=1.4.4
Asterisk=1.4.7.1
Asterisk=1.2.26.2
Asterisk=1.4.0-beta2
Asterisk=1.4.22.2
Asterisk=1.2.10
Asterisk=1.2.17
Asterisk Business Edition=b.1.3.3
Asterisk=1.4.5
Asterisk=1.4.23
Asterisk=1.2.30
Asterisk=1.2.17-netsec
Asterisk=1.2.20
Asterisk Business Edition<=b.2.5.2
Asterisk Business Edition=b.2.3.4
Asterisk=1.4.0-beta3
Asterisk=1.2.0beta1
Asterisk=1.4.22.1
Asterisk=1.4.18
Asterisk=1.2.15-netsec
Asterisk Business Edition=b.2.3.6
Asterisk=1.2.22
Asterisk=1.4.19.2
Asterisk=1.6.0-beta9
Asterisk=1.2.30.3
Asterisk=1.2.2-netsec
Asterisk=1.4.16
Asterisk=1.6.0.3
Asterisk=1.4.14
Asterisk=1.2.0-beta1
Asterisk=1.2.16
Asterisk=1.6.0-beta4
Asterisk=1.2.12.1
Asterisk=1.6.0.2
Asterisk<=1.2.30.4
Asterisk=1.4.16.1
Asterisk=1.4.21-rc1
Asterisk=1.2.0beta2
Asterisk=1.4.21
Asterisk=1.2.21.1
Asterisk=1.2.26.1-netsec
Asterisk=1.4.21.2
Asterisk=1.2.19
Asterisk Business Edition=b.2.2.1
Asterisk Business Edition=a
Asterisk=1.4.19-rc1
Asterisk=1.4.20-rc1
Asterisk=1.2.12.1-netsec
Asterisk=1.2.28
Asterisk=1.4.19
Asterisk Business Edition=b.2.3.2
Asterisk=1.2.21.1-netsec
Asterisk=1.4.8
Asterisk=1.4.17
Asterisk=1.4.22-rc4
Asterisk=1.2.18
Asterisk=1.2.22-netsec
Asterisk=1.2.23-netsec
Asterisk=1.2.29

Remedy

http://www.securityfocus.com/bid/33174

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2009-0041?

    CVE-2009-0041 is considered a medium severity vulnerability due to its potential for unauthorized access.

  • How do I fix CVE-2009-0041?

    To fix CVE-2009-0041, upgrade your Asterisk Open Source version to 1.2.31 or higher, 1.4.23-rc4 or higher, or 1.6.0.3-rc2 or higher.

  • What software is affected by CVE-2009-0041?

    CVE-2009-0041 affects Asterisk Open Source versions prior to 1.2.31, 1.4.23-rc4, and 1.6.0.3, along with specific Business Edition versions.

  • What type of vulnerability is CVE-2009-0041?

    CVE-2009-0041 is an authentication bypass vulnerability that allows attackers to receive different responses during failed login attempts.

  • Can CVE-2009-0041 be exploited remotely?

    Yes, CVE-2009-0041 can be exploited remotely, potentially allowing an attacker to gain unauthorized access to the system.

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