CVE-2018-1000027

Public on 2018-09-19
Modified on 2018-09-19
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.
Severity
Medium
CVSS v3 Base Score
6.8
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 squid 2018-09-19 17:10 ALAS-2018-1081

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 6.8 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H
NVD CVSSv2 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P
NVD CVSSv3 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H