FreeBSD : chicken -- multiple vulnerabilities (c6932dd4-eaff-11e6-9ac1-a4badb2f4699)

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


Synopsis :

The remote FreeBSD host is missing a security-related update.

Description :

Peter Bex reports :

A buffer overflow error was found in the POSIX unit's procedures
process-execute and process-spawn.

Additionally, a memory leak existed in this code, which would be
triggered when an error is raised during argument and environment
processing.

Irregex versions before 0.9.6 contain a resource exhaustion
vulnerability: when compiling deeply nested regexes containing the '+'
operator due to exponential expansion behaviour.

See also :

http://www.nessus.org/u?61f358ab
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=216661
http://www.nessus.org/u?f9154972

Solution :

Update the affected package.

Risk factor :

High / CVSS Base Score : 7.5
(CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P)

Family: FreeBSD Local Security Checks

Nessus Plugin ID: 96995 ()

Bugtraq ID:

CVE ID: CVE-2016-6830
CVE-2016-6831
CVE-2016-9954

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