FreeBSD : chicken -- buffer overrun in substring-index[-ci] (e7b7f2b5-177a-11e5-ad33-f8d111029e6a)

This script is Copyright (C) 2015 Tenable Network Security, Inc.


Synopsis :

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

Description :

chicken developer Moritz Heidkamp reports :

The substring-index[-ci] procedures of the data-structures unit are
vulnerable to a buffer overrun attack when passed an integer greater
than zero as the optional START argument.

As a work-around you can switch to SRFI 13's string-contains procedure
which also returns the substring's index in case it is found.

See also :

http://lists.gnu.org/archive/html/chicken-users/2015-01/msg00048.html
http://www.nessus.org/u?bdaabb54
http://www.nessus.org/u?c0e7504d

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: 84328 ()

Bugtraq ID:

CVE ID: CVE-2014-9651

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