ID de Prueba:	1.3.6.1.4.1.25623.1.1.13.2023.356.01
Categoría:	Slackware Local Security Checks
Título:	Slackware: Security Advisory (SSA:2023-356-01)
Resumen:	The remote host is missing an update for the 'postfix' package(s) announced via the SSA:2023-356-01 advisory.
Descripción:	Summary: The remote host is missing an update for the 'postfix' package(s) announced via the SSA:2023-356-01 advisory. Vulnerability Insight: New postfix packages are available for Slackware 15.0 and -current to fix a security issue. Here are the details from the Slackware 15.0 ChangeLog: +--------------------------+ patches/packages/postfix-3.6.13-i586-1_slack15.0.txz: Upgraded. Security: this release adds support to defend against an email spoofing attack (SMTP smuggling) on recipients at a Postfix server. Sites concerned about SMTP smuggling attacks should enable this feature on Internet-facing Postfix servers. For compatibility with non-standard clients, Postfix by default excludes clients in mynetworks from this countermeasure. The recommended settings are: # Optionally disconnect remote SMTP clients that send bare newlines, # but allow local clients with non-standard SMTP implementations # such as netcat, fax machines, or load balancer health checks. # smtpd_forbid_bare_newline = yes smtpd_forbid_bare_newline_exclusions = $mynetworks The smtpd_forbid_bare_newline feature is disabled by default. For more information, see: [link moved to references] (* Security fix *) +--------------------------+ Affected Software/OS: 'postfix' package(s) on Slackware 15.0, Slackware current. Solution: Please install the updated package(s). CVSS Score: 5.0 CVSS Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N
Copyright	Copyright (C) 2023 Greenbone AG

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