CVE-2008-3903

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
3.5 UNKNOWN
NETWORK
MEDIUM
AV:N/AC:M/Au:S/C:P/I:N/A:N
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 70%
VendorProductVersion
asteriskp_b_x
1.2
asteriskp_b_x
1.2.22
asteriskp_b_x
1.4.21.1
asteriskp_b_x
1.6
trixboxpbx
2.6.1
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
asterisk
bullseye
1:16.28.0~dfsg-0+deb11u4
fixed
lenny
no-dsa
bullseye (security)
1:16.28.0~dfsg-0+deb11u5
fixed
sid
1:22.0.0~dfsg+~cs6.14.60671435-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
asterisk
maverick
not-affected
lucid
not-affected
karmic
not-affected
jaunty
ignored
intrepid
ignored
hardy
Fixed 1:1.4.17~dfsg-2ubuntu1.1
released
gutsy
ignored
feisty
ignored
dapper
ignored