CVE-2020-1763
Published: 12 May 2020
An out-of-bounds buffer read flaw was found in the pluto daemon of libreswan from versions 3.27 till 3.31 where, an unauthenticated attacker could use this flaw to crash libreswan by sending specially-crafted IKEv1 Informational Exchange packets. The daemon respawns after the crash.
Priority
Status
Package | Release | Status |
---|---|---|
libreswan Launchpad, Ubuntu, Debian |
bionic |
Needs triage
|
eoan |
Ignored
(end of life)
|
|
focal |
Needs triage
|
|
groovy |
Not vulnerable
(3.32-3)
|
|
hirsute |
Not vulnerable
(3.32-3)
|
|
impish |
Not vulnerable
(3.32-3)
|
|
jammy |
Not vulnerable
(3.32-3)
|
|
kinetic |
Not vulnerable
(3.32-3)
|
|
lunar |
Not vulnerable
(3.32-3)
|
|
mantic |
Not vulnerable
(3.32-3)
|
|
trusty |
Does not exist
|
|
upstream |
Needs triage
|
|
xenial |
Does not exist
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 7.5 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
References
- https://libreswan.org/security/CVE-2020-1763/CVE-2020-1763.txt
- https://bugzilla.redhat.com/show_bug.cgi?id=1813329
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1763
- https://github.com/libreswan/libreswan/commit/471a3e41a449d7c753bc4edbba4239501bb62ba8
- https://www.cve.org/CVERecord?id=CVE-2020-1763
- NVD
- Launchpad
- Debian