CVE-2018-1000027

Public on 2018-02-09
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
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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