CVE-2020-7039

tcp_emu in tcp_subr.c in libslirp 4.1.0, as used in QEMU 4.2.0, mismanages memory, as demonstrated by IRC DCC commands in EMU_IRC. This can cause a heap-based buffer overflow or other out-of-bounds access which can lead to a DoS or potential execute arbitrary code.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.6 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 76%
VendorProductVersion
libslirp_projectlibslirp
4.1.0
qemuqemu
4.2.0
debiandebian_linux
8.0
debiandebian_linux
9.0
opensuseleap
15.1
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
libslirp
bullseye
4.4.0-1+deb11u2
fixed
bookworm
4.7.0-1
fixed
sid
4.8.0-1
fixed
trixie
4.8.0-1
fixed
qemu
bullseye
1:5.2+dfsg-11+deb11u3
fixed
bullseye (security)
1:5.2+dfsg-11+deb11u2
fixed
bookworm
1:7.2+dfsg-7+deb12u7
fixed
sid
1:9.1.1+ds-2
fixed
trixie
1:9.1.1+ds-2
fixed
slirp
sid
1:1.0.17-11
fixed
trixie
1:1.0.17-11
fixed
bookworm
1:1.0.17-11
fixed
bullseye
1:1.0.17-11
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
libslirp
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
dne
disco
dne
bionic
dne
xenial
dne
trusty
dne
qemu
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
Fixed 1:4.0+dfsg-0ubuntu9.4
released
disco
ignored
bionic
Fixed 1:2.11+dfsg-1ubuntu7.23
released
xenial
Fixed 1:2.5+dfsg-5ubuntu10.43
released
trusty
needed
qemu-kvm
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
impish
dne
hirsute
dne
groovy
dne
focal
dne
eoan
dne
disco
dne
bionic
dne
xenial
dne
trusty
dne
slirp
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
ignored
disco
ignored
bionic
Fixed 1:1.0.17-8ubuntu18.04.1
released
xenial
Fixed 1:1.0.17-8ubuntu16.04.1
released
trusty
Fixed 1:1.0.17-7+deb8u2build0.14.04.1+esm1
released
References