GLSA-201709-19 : Exim: Local privilege escalation (Stack Clash)

This script is Copyright (C) 2017 Tenable Network Security, Inc.

Synopsis :

The remote Gentoo host is missing one or more security-related

Description :

The remote host is affected by the vulnerability described in GLSA-201709-19
(Exim: Local privilege escalation)

Exim supports the use of multiple “-p” command line arguments
causing a memory leak. This could lead to a stack-clash in user-space and
as result the attacker can, “clash” or “smash” the stack or
another memory region, or “jump” over the stack guard-page.

Impact :

A local attacker could obtain root privileges.

Workaround :

There is no known workaround at this time.

See also :

Solution :

All Exim users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=mail-mta/exim-4.89-r1'

Risk factor :

Low / CVSS Base Score : 2.1

Family: Gentoo Local Security Checks

Nessus Plugin ID: 103447 ()

Bugtraq ID:

CVE ID: CVE-2017-1000369

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