Security Advisory

CVE-2019-12523

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2019-11-26 16:39:59

Last updated 2024-08-04 23:24:39

Assigner mitre

State PUBLISHED

Description

An issue was discovered in Squid before 4.9. When handling a URN request, a corresponding HTTP request is made. This HTTP request doesnt go through the access checks that incoming HTTP requests go through. This causes all access checks to be bypassed and allows access to restricted HTTP servers, e.g., an attacker can connect to HTTP servers that only listen on localhost.

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