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ID de Prueba:1.3.6.1.4.1.25623.1.0.113674
Categoría:Privilege escalation
Título:Squid <= 4.14 Privilege Escalation Vulnerability
Resumen:Squid is prone to a privilege escalation vulnerability.
Descripción:Summary:
Squid is prone to a privilege escalation vulnerability.

Vulnerability Insight:
When Squid is run as root, it spawns its child processes as a
lesser user, by default the user nobody. This is done via the leave_suid call. leave_suid leaves
the Saved UID as 0.

Vulnerability Impact:
This behaviour makes it trivial for an attacker who has
compromised the child process to escalate their privileges back to root.

Affected Software/OS:
Squid through version 4.7.

Solution:
No known solution was made available for at least one year since the disclosure
of this vulnerability. Likely none will be provided anymore. General solution options are to upgrade to a newer
release, disable respective features, remove the product or replace the product by another one.

CVSS Score:
4.4

CVSS Vector:
AV:L/AC:M/Au:N/C:P/I:P/A:P

Referencia Cruzada: Common Vulnerability Exposure (CVE) ID: CVE-2019-12522
https://gitlab.com/jeriko.one/security/-/blob/master/squid/CVEs/CVE-2019-12522.txt
CopyrightCopyright (C) 2020 Greenbone Networks GmbH

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