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7.5
CVSSv3

CVE-2007-4103

Published: 31/07/2007 Updated: 08/02/2024
CVSS v2 Base Score: 7.8 | Impact Score: 6.9 | Exploitability Score: 10
CVSS v3 Base Score: 7.5 | Impact Score: 3.6 | Exploitability Score: 3.9
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C
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Vulnerability Summary

The IAX2 channel driver (chan_iax2) in Asterisk Open 1.2.x prior to 1.2.23, 1.4.x prior to 1.4.9, and Asterisk Appliance Developer Kit prior to 0.6.0, when configured to allow unauthenticated calls, allows remote malicious users to cause a denial of service (resource exhaustion) via a flood of calls that do not complete a 3-way handshake, which causes an ast_channel to be allocated but not released.

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digium asterisk

digium asterisk appliance developer kit

References

CWE-772http://ftp.digium.com/pub/asa/ASA-2007-018.pdfhttp://www.securitytracker.com/id?1018472http://secunia.com/advisories/26274http://www.securityfocus.com/bid/24950http://securityreason.com/securityalert/2960http://bugs.gentoo.org/show_bug.cgi?id=185713http://security.gentoo.org/glsa/glsa-200802-11.xmlhttp://secunia.com/advisories/29051http://osvdb.org/38197http://www.vupen.com/english/advisories/2007/2701http://www.securityfocus.com/archive/1/475069/100/0/threadedhttps://nvd.nist.gov
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
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