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
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 |