Rapid7 Vulnerability & Exploit Database

FreeBSD: VID-D5B6D151-1887-11E8-94F7-9C5C8E75236A (CVE-2018-1000027): squid -- Vulnerable to Denial of Service attack

Free InsightVM Trial No Credit Card Necessary
2024 Attack Intel Report Latest research by Rapid7 Labs
Back to Search

FreeBSD: VID-D5B6D151-1887-11E8-94F7-9C5C8E75236A (CVE-2018-1000027): squid -- Vulnerable to Denial of Service attack

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
12/13/2017
Created
07/25/2018
Added
02/24/2018
Modified
05/07/2019

Description

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.

Solution(s)

  • freebsd-upgrade-package-squid
  • freebsd-upgrade-package-squid-devel

References

  • USN-3557-1
  • DSA-4122
  • CVE-2018-1000027

insightVM

Advanced vulnerability management analytics and reporting.
Key Features
Free InsightVM Trial View All Features

With Rapid7 live dashboards, I have a clear view of all the assets on my network, which ones can be exploited, and what I need to do in order to reduce the risk in my environment in real-time. No other tool gives us that kind of value and insight.

– Scott Cheney, Manager of Information Security, Sierra View Medical Center

;