CVE-2018-19052

An issue was discovered in mod_alias_physical_handler in mod_alias.c in lighttpd before 1.4.50. There is potential ../ path traversal of a single directory above an alias target, with a specific mod_alias configuration where the matched alias lacks a trailing '/' character, but the alias target filesystem path does have a trailing '/' character.
Path Traversal
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 97%
VendorProductVersion
lighttpdlighttpd
𝑥
< 1.4.50
opensusebackports_sle
15.0
opensusebackports_sle
15.0:sp1
opensuseleap
15.0
opensuseleap
15.1
debiandebian_linux
9.0
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
jessie
no-dsa
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
lunar
not-affected
kinetic
not-affected
jammy
not-affected
impish
not-affected
hirsute
not-affected
groovy
not-affected
focal
not-affected
eoan
not-affected
disco
not-affected
cosmic
ignored
bionic
Fixed 1.4.45-1ubuntu3.18.04.1+esm1
released
xenial
Fixed 1.4.35-4ubuntu2.1+esm1
released
trusty
Fixed 1.4.33-1+nmu2ubuntu2.1+esm1
released