CVE-2023-0568

EUVD-2023-12610
In PHP 8.0.X before 8.0.28, 8.1.X before 8.1.16 and 8.2.X before 8.2.3, core path resolution function allocate buffer one byte too small. When resolving paths with lengths close to system MAXPATHLEN setting, this may lead to the byte after the allocated buffer being overwritten with NUL value, which might lead to unauthorized data access or modification.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
phpCNA
7.5 HIGH
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 32%
Affected Products (NVD)
VendorProductVersion
phpphp
8.0.0 ≤
𝑥
< 8.0.28
phpphp
8.1.0 ≤
𝑥
< 8.1.16
phpphp
8.2.0 ≤
𝑥
< 8.2.3
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
php7.4
bullseye
7.4.33-1+deb11u5
fixed
bullseye (security)
7.4.33-1+deb11u7
fixed
php8.2
bookworm
8.2.24-1~deb12u1
fixed
bookworm (security)
8.2.26-1~deb12u1
fixed
sid
8.2.27-1
fixed
trixie
8.2.27-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
php5
bionic
dne
focal
dne
jammy
dne
kinetic
dne
trusty
ignored
xenial
dne
php7.0
bionic
dne
focal
dne
jammy
dne
kinetic
dne
trusty
dne
xenial
Fixed 7.0.33-0ubuntu0.16.04.16+esm5
released
php7.2
bionic
Fixed 7.2.24-0ubuntu0.18.04.17
released
focal
dne
jammy
dne
kinetic
dne
trusty
dne
xenial
dne
php7.4
bionic
dne
focal
Fixed 7.4.3-4ubuntu2.18
released
jammy
dne
kinetic
dne
trusty
dne
xenial
dne
php8.1
bionic
dne
focal
dne
jammy
Fixed 8.1.2-1ubuntu2.11
released
kinetic
Fixed 8.1.7-1ubuntu3.3
released
lunar
Fixed 8.1.12-1ubuntu4
released
mantic
dne
noble
dne
oracular
dne
trusty
dne
xenial
dne