CVE-2016-4423

The attemptAuthentication function in Component/Security/Http/Firewall/UsernamePasswordFormAuthenticationListener.php in Symfony before 2.3.41, 2.7.x before 2.7.13, 2.8.x before 2.8.6, and 3.0.x before 3.0.6 does not limit the length of a username stored in a session, which allows remote attackers to cause a denial of service (session storage consumption) via a series of authentication attempts with long, non-existent usernames.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 79%
VendorProductVersion
sensiolabssymfony
𝑥
≤ 2.3.40
sensiolabssymfony
2.7.0
sensiolabssymfony
2.7.1
sensiolabssymfony
2.7.2
sensiolabssymfony
2.7.3
sensiolabssymfony
2.7.4
sensiolabssymfony
2.7.5
sensiolabssymfony
2.7.6
sensiolabssymfony
2.7.7
sensiolabssymfony
2.7.8
sensiolabssymfony
2.7.9
sensiolabssymfony
2.7.10
sensiolabssymfony
2.7.11
sensiolabssymfony
2.7.12
sensiolabssymfony
2.8.0
sensiolabssymfony
2.8.1
sensiolabssymfony
2.8.2
sensiolabssymfony
2.8.3
sensiolabssymfony
2.8.4
sensiolabssymfony
2.8.5
sensiolabssymfony
3.0.0
sensiolabssymfony
3.0.1
sensiolabssymfony
3.0.2
sensiolabssymfony
3.0.3
sensiolabssymfony
3.0.4
sensiolabssymfony
3.0.5
debiandebian_linux
8.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
symfony
bullseye
4.4.19+dfsg-2+deb11u6
fixed
bookworm
5.4.23+dfsg-1+deb12u2
fixed
sid
6.4.13+dfsg-1
fixed
trixie
6.4.13+dfsg-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
symfony
noble
not-affected
mantic
not-affected
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
not-affected
bionic
not-affected
artful
ignored
zesty
ignored
yakkety
ignored
xenial
needed
wily
ignored
trusty
dne
precise
dne
Common Weakness Enumeration