CVE-2020-1983

EUVD-2020-12773
A use after free vulnerability in ip_reass() in ip_input.c of libslirp 4.2.0 and prior releases allows crafted packets to cause 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
palo_altoCNA
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
Base Score
CVSS 3.x
EPSS Score
Percentile: 42%
Affected Products (NVD)
VendorProductVersion
libslirp_projectlibslirp
𝑥
≤ 4.2.0
debiandebian_linux
8.0
debiandebian_linux
9.0
opensuseleap
15.1
canonicalubuntu_linux
16.04
canonicalubuntu_linux
18.04
canonicalubuntu_linux
19.10
canonicalubuntu_linux
20.04
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
libslirp
bookworm
4.7.0-1
fixed
bullseye
4.4.0-1+deb11u2
fixed
buster
no-dsa
sid
4.8.0-1
fixed
trixie
4.8.0-1
fixed
qemu
bookworm
1:7.2+dfsg-7+deb12u7
fixed
bullseye
1:5.2+dfsg-11+deb11u3
fixed
bullseye (security)
1:5.2+dfsg-11+deb11u2
fixed
buster
no-dsa
sid
1:9.1.1+ds-2
fixed
trixie
1:9.1.1+ds-2
fixed
slirp4netns
bookworm
1.2.0-1
fixed
bullseye
1.0.1-2
fixed
buster
no-dsa
sid
1.2.1-1
fixed
trixie
1.2.1-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
libslirp
bionic
dne
eoan
dne
focal
Fixed 4.1.0-2ubuntu2
released
groovy
Fixed 4.1.0-2ubuntu2
released
hirsute
Fixed 4.1.0-2ubuntu2
released
impish
Fixed 4.1.0-2ubuntu2
released
jammy
Fixed 4.1.0-2ubuntu2
released
kinetic
Fixed 4.1.0-2ubuntu2
released
lunar
Fixed 4.1.0-2ubuntu2
released
mantic
Fixed 4.1.0-2ubuntu2
released
noble
Fixed 4.1.0-2ubuntu2
released
trusty
dne
xenial
dne
qemu
bionic
Fixed 1:2.11+dfsg-1ubuntu7.26
released
eoan
Fixed 1:4.0+dfsg-0ubuntu9.6
released
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
needs-triage
xenial
Fixed 1:2.5+dfsg-5ubuntu10.44
released
qemu-kvm
bionic
dne
eoan
dne
focal
dne
groovy
dne
hirsute
dne
impish
dne
jammy
dne
kinetic
dne
lunar
dne
mantic
dne
noble
dne
trusty
dne
xenial
dne
slirp4netns
bionic
dne
eoan
ignored
focal
needs-triage
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
dne
References