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Alpine Linux: CVE-2019-12523: squid Multiple vulnerabilities

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Alpine Linux: CVE-2019-12523: squid Multiple vulnerabilities

Severity
6
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:N)
Published
11/26/2019
Created
01/20/2021
Added
01/19/2021
Modified
01/19/2021

Description

An issue was discovered in Squid before 4.9. When handling a URN request, a corresponding HTTP request is made. This HTTP request doesn't 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.

Solution(s)

  • alpine-linux-upgrade-squid

References

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