CVE-2018-1000024 Information

Description

The Squid Software Foundation Squid HTTP Caching Proxy version 3.0 to 3.5.27 4.0 to 4.0.22 contains a Incorrect Pointer Handling vulnerability in ESI Response Processing that can result in Denial of Service for all clients using the proxy.. This attack appear to be exploitable via Remote server delivers an HTTP response payload containing valid but unusual ESI syntax.. This vulnerability appears to have been fixed in 4.0.23 and later.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

http://www.squid-cache.org/Advisories/SQUID-2018_1.txt http://www.squid-cache.org/Versions/ https://lists.debian.org/debian-lts-announce/2018/02/msg00001.html https://usn.ubuntu.com/3557-1/ https://usn.ubuntu.com/4059-2/ https://www.debian.org/security/2018/dsa-4122

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5