CVE-2008-5558

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
4.3 UNKNOWN
NETWORK
MEDIUM
AV:N/AC:M/Au:N/C:N/I:N/A:P
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 83%
VendorProductVersion
asteriskopen_source
1.2.26
asteriskopen_source
1.2.26:netsec
asteriskopen_source
1.2.26.1
asteriskopen_source
1.2.26.1:netsec
asteriskopen_source
1.2.26.2
asteriskopen_source
1.2.26.2:netsec
asteriskopen_source
1.2.27
asteriskopen_source
1.2.28
asteriskopen_source
1.2.29
asteriskopen_source
1.2.30
asteriskopen_source
1.2.30.2
asteriskopen_source
1.2.30.3
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
asterisk
bullseye
1:16.28.0~dfsg-0+deb11u4
fixed
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
karmic
not-affected
jaunty
not-affected
intrepid
not-affected
hardy
not-affected
gutsy
not-affected
dapper
ignored