CVE-2008-5558

Description

Asterisk Open Source 1.2.26 through 1.2.30.3 and Business Edition B.2.3.5 through B.2.5.5, when realtime IAX2 users are enabled, allows remote attackers to cause a denial of service (crash) via authentication attempts involving (1) an unknown user or (2) a user using hostname matching.

Category

4.3
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 1.99% Top 20%
Vendor Advisory gentoo.org Vendor Advisory secunia.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/32773 vdb entry
http://security.gentoo.org/glsa/glsa-200905-01.xml vendor advisory
http://secunia.com/advisories/32956 third party advisory vendor advisory
http://osvdb.org/50675 vdb entry
http://securityreason.com/securityalert/4769 third party advisory
http://www.securityfocus.com/archive/1/499117/100/0/threaded mailing list
http://downloads.digium.com/pub/security/AST-2008-012.html
http://www.vupen.com/english/advisories/2008/3403 vdb entry
http://secunia.com/advisories/34982 third party advisory
http://www.securitytracker.com/id?1021378 vdb entry

Frequently Asked Questions

What is the severity of CVE-2008-5558?
CVE-2008-5558 has been scored as a medium severity vulnerability.
How to fix CVE-2008-5558?
To fix CVE-2008-5558, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2008-5558 being actively exploited in the wild?
It is possible that CVE-2008-5558 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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