CVE-2008-3903

Description

Asterisk Open Source 1.2.x before 1.2.32, 1.4.x before 1.4.24.1, and 1.6.0.x before 1.6.0.8; Asterisk Business Edition A.x.x, B.x.x before B.2.5.8, C.1.x.x before C.1.10.5, and C.2.x.x before C.2.3.3; s800i 1.3.x before 1.3.0.2; and Trixbox PBX 2.6.1, when Digest authentication and authalwaysreject are enabled, generates different responses depending on whether a SIP username is valid, which allows remote attackers to enumerate valid usernames.

Category

3.5
CVSS
Severity: Low
CVSS 2.0 •
EPSS 0.46%
Vendor Advisory gentoo.org Vendor Advisory debian.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://security.gentoo.org/glsa/glsa-200905-01.xml vendor advisory
http://downloads.asterisk.org/pub/security/AST-2009-003.html
http://www.securityfocus.com/bid/34353 vdb entry
http://secunia.com/advisories/37677 third party advisory
http://www.debian.org/security/2009/dsa-1952 vendor advisory
http://misel.com/?p=52
https://exchange.xforce.ibmcloud.com/vulnerabilities/45059 vdb entry
http://www.vupen.com/english/advisories/2009/0933 vdb entry
http://secunia.com/advisories/34982 third party advisory

Frequently Asked Questions

What is the severity of CVE-2008-3903?
CVE-2008-3903 has been scored as a low severity vulnerability.
How to fix CVE-2008-3903?
To fix CVE-2008-3903, 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-2008-3903 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2008-3903 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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