CVE-2011-4362

Integer signedness error in the base64_decode function in the HTTP authentication functionality (http_auth.c) in lighttpd 1.4 before 1.4.30 and 1.5 before SVN revision 2806 allows remote attackers to cause a denial of service (segmentation fault) via crafted base64 input that triggers an out-of-bounds read with a negative index.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5 UNKNOWN
NETWORK
LOW
AV:N/AC:L/Au:N/C:N/I:N/A:P
redhatCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 88%
VendorProductVersion
lighttpdlighttpd
1.4.1 ≤
𝑥
< 1.4.30
lighttpdlighttpd
1.5.0
debiandebian_linux
5.0
debiandebian_linux
6.0
debiandebian_linux
7.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
lighttpd
bullseye (security)
1.4.59-1+deb11u2
fixed
bullseye
1.4.59-1+deb11u2
fixed
bookworm
1.4.69-1
fixed
sid
1.4.76-1
fixed
trixie
1.4.76-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
lighttpd
oneiric
Fixed 1.4.28-2ubuntu2.1
released
natty
Fixed 1.4.28-2ubuntu1.1
released
maverick
Fixed 1.4.26-3ubuntu2.1
released
lucid
Fixed 1.4.26-1.1ubuntu3.1
released
hardy
ignored