CVE-2018-11407

EUVD-2022-2111
An issue was discovered in the Ldap component in Symfony 2.8.x before 2.8.37, 3.3.x before 3.3.17, 3.4.x before 3.4.7, and 4.0.x before 4.0.7. It allows remote attackers to bypass authentication by logging in with a "null" password and valid username, which triggers an unauthenticated bind.  NOTE: this issue exists because of an incomplete fix for CVE-2016-2403.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 40%
Affected Products (NVD)
VendorProductVersion
sensiolabssymfony
2.8.0 ≤
𝑥
< 2.8.37
sensiolabssymfony
3.3.0 ≤
𝑥
< 3.3.17
sensiolabssymfony
3.4.0 ≤
𝑥
< 3.4.7
sensiolabssymfony
4.0.0 ≤
𝑥
< 4.0.7
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
symfony
bookworm
5.4.23+dfsg-1+deb12u2
fixed
bullseye
4.4.19+dfsg-2+deb11u6
fixed
jessie
not-affected
sid
6.4.13+dfsg-1
fixed
stretch
not-affected
trixie
6.4.13+dfsg-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
symfony
artful
ignored
bionic
Fixed 3.4.6+dfsg-1ubuntu0.1+esm1
released
cosmic
not-affected
disco
not-affected
eoan
not-affected
focal
not-affected
groovy
not-affected
hirsute
not-affected
impish
not-affected
jammy
not-affected
kinetic
not-affected
lunar
not-affected
trusty
dne
xenial
not-affected
Common Weakness Enumeration
References
https://symfony.com/blog/cve-2018-11407-unauthorized-access-on-a-misconfigured-ldap-server-when-using-an-empty-password
https://symfony.com/blog/cve-2018-11407-unauthorized-access-on-a-misconfigured-ldap-server-when-using-an-empty-password