CVE-2019-3883

EUVD-2019-13493
In 389-ds-base up to version 1.4.1.2, requests are handled by workers threads. Each sockets will be waited by the worker for at most 'ioblocktimeout' seconds. However this timeout applies only for un-encrypted requests. Connections using SSL/TLS are not taking this timeout into account during reads, and may hang longer.An unauthenticated attacker could repeatedly create hanging LDAP requests to hang all the workers, resulting in a Denial of Service.
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:N/I:N/A:H
redhatCNA
5.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Base Score
CVSS 3.x
EPSS Score
Percentile: 57%
Affected Products (NVD)
VendorProductVersion
fedoraproject389_directory_server
𝑥
≤ 1.4.1.2
debiandebian_linux
8.0
redhatenterprise_linux
6.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
389-ds-base
bookworm
2.3.1+dfsg1-1
fixed
bullseye
1.4.4.11-2
fixed
sid
3.1.1+dfsg1-2
fixed
stretch
no-dsa
trixie
3.1.1+dfsg1-2
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
389-ds-base
bionic
needed
cosmic
ignored
disco
ignored
eoan
not-affected
focal
not-affected
groovy
not-affected
hirsute
not-affected
impish
not-affected
jammy
not-affected
kinetic
not-affected
lunar
not-affected
mantic
not-affected
noble
not-affected
trusty
dne
xenial
needed