CVE-2020-27507
Published: 15 March 2023
The Kamailio SIP before 5.5.0 server mishandles INVITE requests with duplicated fields and overlength tag, leading to a buffer overflow that crashes the server or possibly have unspecified other impact.
Priority
Status
Package | Release | Status |
---|---|---|
kamailio Launchpad, Ubuntu, Debian |
bionic |
Released
(5.1.2-1ubuntu2+esm1)
Available with Ubuntu Pro |
focal |
Released
(5.3.2-1ubuntu0.1~esm1)
Available with Ubuntu Pro |
|
jammy |
Not vulnerable
(5.5.4-1)
|
|
kinetic |
Not vulnerable
(5.5.4-1)
|
|
lunar |
Ignored
(end of life, was needs-triage)
|
|
mantic |
Needs triage
|
|
trusty |
Does not exist
|
|
upstream |
Needs triage
|
|
xenial |
Released
(4.3.4-1.1ubuntu2.1+esm1)
Available with Ubuntu Pro |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 9.8 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | High |
Availability impact | High |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |