CVE-2023-52892

EUVD-2024-2038
In phpseclib before 1.0.22, 2.x before 2.0.46, and 3.x before 3.0.33, some characters in Subject Alternative Name fields in TLS certificates are incorrectly allowed to have a special meaning in regular expressions (such as a + wildcard), leading to name confusion in X.509 certificate host verification.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
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
CISA-ADPADP
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
Base Score
CVSS 3.x
EPSS Score
Percentile: 39%
Affected Products (NVD)
VendorProductVersion
phpseclibphpseclib
1.0.0 ≤
𝑥
< 1.0.22
phpseclibphpseclib
2.0.0 ≤
𝑥
< 2.0.46
phpseclibphpseclib
3.0.0 ≤
𝑥
< 3.0.33
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
php-phpseclib
bookworm
no-dsa
bookworm (security)
vulnerable
bullseye
no-dsa
bullseye (security)
vulnerable
sid
2.0.48-1
fixed
trixie
2.0.48-1
fixed
php-phpseclib3
bookworm
no-dsa
bookworm (security)
vulnerable
bullseye
no-dsa
sid
3.0.43-1
fixed
trixie
3.0.43-1
fixed
phpseclib
bookworm
no-dsa
bookworm (security)
vulnerable
bullseye
no-dsa
bullseye (security)
vulnerable
sid
1.0.23-3
fixed
trixie
1.0.23-3
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
php-phpseclib
bionic
needs-triage
focal
needs-triage
jammy
needs-triage
mantic
ignored
noble
not-affected
oracular
not-affected
xenial
needs-triage
php-phpseclib3
focal
dne
jammy
needs-triage
mantic
ignored
noble
not-affected
oracular
not-affected
phpseclib
bionic
needs-triage
focal
needs-triage
jammy
needs-triage
mantic
ignored
noble
not-affected
oracular
not-affected
xenial
needs-triage