CVE-2018-1000027
Published: 29 January 2018
The Squid Software Foundation Squid HTTP Caching Proxy version prior to version 4.0.23 contains a NULL Pointer Dereference vulnerability in HTTP Response X-Forwarded-For header processing that can result in Denial of Service to all clients of the proxy. This attack appear to be exploitable via Remote HTTP server responding with an X-Forwarded-For header to certain types of HTTP request. This vulnerability appears to have been fixed in 4.0.23 and later.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
squid3 Launchpad, Ubuntu, Debian |
upstream |
Needs triage
|
| xenial |
Released
(3.5.12-1ubuntu7.5)
|
|
| artful |
Released
(3.5.23-5ubuntu1.1)
|
|
| bionic |
Released
(3.5.23-5ubuntu2)
|
|
| cosmic |
Does not exist
|
|
| disco |
Does not exist
|
|
| trusty |
Released
(3.3.8-1ubuntu6.11)
|
|
|
Patches: upstream: http://www.squid-cache.org/Versions/v3/3.5/changesets/SQUID-2018_2.patch |
||
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:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |