CVE-2008-3903
6.6 Medium
AI Score
Confidence
Low
3.5 Low
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:M/Au:S/C:P/I:N/A:N
0.006 Low
EPSS
Percentile
78.4%
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.
References
downloads.asterisk.org/pub/security/AST-2009-003.html
misel.com/?p=52
secunia.com/advisories/34982
secunia.com/advisories/37677
security.gentoo.org/glsa/glsa-200905-01.xml
www.debian.org/security/2009/dsa-1952
www.securityfocus.com/bid/34353
www.vupen.com/english/advisories/2009/0933
exchange.xforce.ibmcloud.com/vulnerabilities/45059
Related
6.6 Medium
AI Score
Confidence
Low
3.5 Low
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:M/Au:S/C:P/I:N/A:N
0.006 Low
EPSS
Percentile
78.4%