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CVE-2020-29129

Published: 26 November 2020

ncsi.c in libslirp through 4.3.1 has a buffer over-read because it tries to read a certain amount of header data even if that exceeds the total packet length.

Priority

Low

Cvss 3 Severity Score

4.3

Score breakdown

Status

Package Release Status
libslirp
Launchpad, Ubuntu, Debian
focal
Released (4.1.0-2ubuntu2.2)
groovy
Released (4.3.1-1ubuntu0.1)
impish Not vulnerable
(4.4.0-1)
trusty Does not exist

upstream
Released (4.4.0-1)
bionic Does not exist

jammy Not vulnerable
(4.4.0-1)
kinetic Not vulnerable
(4.4.0-1)
lunar Not vulnerable
(4.4.0-1)
hirsute Not vulnerable
(4.4.0-1)
xenial Does not exist

mantic Not vulnerable
(4.4.0-1)
Patches:
upstream: https://gitlab.freedesktop.org/slirp/libslirp/-/commit/2e1dcbc0c2af64fcb17009eaf2ceedd81be2b27f
qemu
Launchpad, Ubuntu, Debian
impish Not vulnerable
(uses system libslirp)
focal Not vulnerable
(uses system libslirp)
jammy Not vulnerable
(uses system libslirp)
kinetic Not vulnerable
(uses system libslirp)
bionic Not vulnerable
(code not present)
groovy Not vulnerable
(uses system libslirp)
hirsute Not vulnerable
(uses system libslirp)
lunar Not vulnerable
(uses system libslirp)
trusty Needed

upstream Needs triage

xenial Not vulnerable
(code not present)
mantic Not vulnerable
(uses system libslirp)
qemu-kvm
Launchpad, Ubuntu, Debian
impish Does not exist

trusty Does not exist

upstream Needs triage

jammy Does not exist

kinetic Does not exist

bionic Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

lunar Does not exist

xenial Does not exist

mantic Does not exist

Severity score breakdown

Parameter Value
Base score 4.3
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality Low
Integrity impact None
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N