CVE-2020-11653
Published: 8 April 2020
An issue was discovered in Varnish Cache before 6.0.6 LTS, 6.1.x and 6.2.x before 6.2.3, and 6.3.x before 6.3.2. It occurs when communication with a TLS termination proxy uses PROXY version 2. There can be an assertion failure and daemon restart, which causes a performance loss.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
varnish Launchpad, Ubuntu, Debian |
upstream |
Needs triage
|
| eoan |
Ignored
(end of life)
|
|
| focal |
Released
(6.2.1-2ubuntu0.1)
|
|
| groovy |
Not vulnerable
(6.4.0-2)
|
|
| hirsute |
Not vulnerable
(6.4.0-2)
|
|
| bionic |
Not vulnerable
(code not present)
|
|
| impish |
Not vulnerable
(6.4.0-2)
|
|
| jammy |
Not vulnerable
(6.4.0-2)
|
|
| trusty |
Not vulnerable
(code not present)
|
|
| xenial |
Not vulnerable
(code not present)
|
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 |