CVE-2018-1000001

In glibc 2.26 and earlier there is confusion in the usage of getcwd() by realpath() which can be used to write before the destination buffer leading to a buffer underflow and potential code execution.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.8 HIGH
LOCAL
LOW
LOW
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 95%
VendorProductVersion
gnuglibc
𝑥
≤ 2.26
canonicalubuntu_linux
12.04
canonicalubuntu_linux
14.04
canonicalubuntu_linux
16.04
canonicalubuntu_linux
17.10
redhatvirtualization_host
4.0
redhatenterprise_linux_desktop
7.0
redhatenterprise_linux_server
7.0
redhatenterprise_linux_server_aus
7.6
redhatenterprise_linux_server_eus
7.6
redhatenterprise_linux_server_tus
7.6
redhatenterprise_linux_workstation
7.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
glibc
bullseye
2.31-13+deb11u11
fixed
wheezy
postponed
bullseye (security)
2.31-13+deb11u10
fixed
bookworm
2.36-9+deb12u8
fixed
bookworm (security)
2.36-9+deb12u7
fixed
sid
2.40-3
fixed
trixie
2.40-3
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
dietlibc
eoan
not-affected
disco
not-affected
cosmic
ignored
bionic
not-affected
artful
ignored
zesty
ignored
xenial
not-affected
trusty
dne
eglibc
eoan
dne
disco
dne
cosmic
dne
bionic
dne
artful
dne
zesty
dne
xenial
dne
trusty
Fixed 2.19-0ubuntu6.14
released
glibc
eoan
not-affected
disco
not-affected
cosmic
not-affected
bionic
not-affected
artful
Fixed 2.26-0ubuntu2.1
released
zesty
ignored
xenial
Fixed 2.23-0ubuntu10
released
trusty
dne
musl
eoan
not-affected
disco
not-affected
cosmic
not-affected
bionic
not-affected
artful
ignored
zesty
ignored
xenial
Fixed 1.1.9-1ubuntu0.1~esm2
released
trusty
Fixed 0.9.15-1ubuntu0.1~esm1
released