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.

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-1266-1 squid3 security update
Debian DLA Debian DLA DLA-1267-1 squid security update
Debian DSA Debian DSA DSA-4122-1 squid3 security update
Ubuntu USN Ubuntu USN USN-3557-1 Squid vulnerabilities
Ubuntu USN Ubuntu USN USN-4059-2 Squid vulnerabilities
Fixes

Solution

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Workaround

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-05T12:33:49.031Z

Reserved: 2018-01-29T00:00:00

Link: CVE-2018-1000027

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2018-02-09T23:29:00.870

Modified: 2024-11-21T03:39:27.673

Link: CVE-2018-1000027

cve-icon Redhat

Severity : Moderate

Publid Date: 2018-01-19T00:00:00Z

Links: CVE-2018-1000027 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses