FreeBSD Ports: libotr

#
#VID c651c898-e90d-11e1-b230-0024e830109b
# OpenVAS Vulnerability Test
# $
# Description: Auto generated from VID c651c898-e90d-11e1-b230-0024e830109b
#
# Authors:
# Thomas Reinke <[email protected]>
#
# Copyright:
# Copyright (c) 2012 E-Soft Inc. http://www.securityspace.com
# Text descriptions are largely excerpted from the referenced
# advisories, and are Copyright (c) the respective author(s)
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2,
# as published by the Free Software Foundation
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
#

include("revisions-lib.inc");
tag_insight = "The following package is affected: libotr

CVE-2012-3461
The (1) otrl_base64_otr_decode function in src/b64.c; (2)
otrl_proto_data_read_flags and (3) otrl_proto_accept_data functions in
src/proto.c; and (4) decode function in toolkit/parse.c in libotr
before 3.2.1 allocates a zero-length buffer when decoding a base64
string, which allows remote attackers to cause a denial of service
(application crash) via a message with the value '?OTR:===.', which
triggers a heap-based buffer overflow.";
tag_solution = "Update your system with the appropriate patches or
software upgrades.

http://lists.cypherpunks.ca/pipermail/otr-dev/2012-July/001347.html
http://www.vuxml.org/freebsd/c651c898-e90d-11e1-b230-0024e830109b.html";
tag_summary = "The remote host is missing an update to the system
as announced in the referenced advisory.";



if(description)
{
 script_id(71841);
 script_tag(name:"cvss_base", value:"4.3");
 script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:N/I:N/A:P");
 script_cve_id("CVE-2012-3461");
 script_version("$Revision: 5956 $");
 script_tag(name:"last_modification", value:"$Date: 2017-04-14 11:02:12 +0200 (Fri, 14 Apr 2017) $");
 script_tag(name:"creation_date", value:"2012-08-30 11:34:18 -0400 (Thu, 30 Aug 2012)");
 script_name("FreeBSD Ports: libotr");


 script_category(ACT_GATHER_INFO);

 script_copyright("Copyright (c) 2012 E-Soft Inc. http://www.securityspace.com");
 script_family("FreeBSD Local Security Checks");
 script_dependencies("gather-package-list.nasl");
 script_mandatory_keys("ssh/login/freebsdrel", "login/SSH/success");
 script_tag(name : "insight" , value : tag_insight);
 script_tag(name : "solution" , value : tag_solution);
 script_tag(name : "summary" , value : tag_summary);
 script_tag(name:"qod_type", value:"package");
 script_tag(name:"solution_type", value:"VendorFix");
 exit(0);
}

#
# The script code starts here
#

include("pkg-lib-bsd.inc");
vuln = 0;
txt = "";
bver = portver(pkg:"libotr");
if(!isnull(bver) && revcomp(a:bver, b:"3.2.1")<0) {
    txt += "Package libotr version " + bver + " is installed which is known to be vulnerable.\n";
    vuln = 1;
}

if(vuln) {
    security_message(data:string(txt ));
} else if (__pkg_match) {
    exit(99); # Not vulnerable.
}