FreeBSD Ports: bind99

# SPDX-FileCopyrightText: 2012 E-Soft Inc.
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.71544");
  script_tag(name:"cvss_base", value:"8.5");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:N/A:C");
  script_cve_id("CVE-2012-1667");
  script_version("2023-07-26T05:05:09+0000");
  script_tag(name:"last_modification", value:"2023-07-26 05:05:09 +0000 (Wed, 26 Jul 2023)");
  script_tag(name:"creation_date", value:"2012-08-10 03:22:17 -0400 (Fri, 10 Aug 2012)");
  script_name("FreeBSD Ports: bind99");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2012 E-Soft Inc.");
  script_family("FreeBSD Local Security Checks");
  script_dependencies("gather-package-list.nasl");
  script_mandatory_keys("ssh/login/freebsd", "ssh/login/freebsdrel");

  script_tag(name:"insight", value:"The following packages are affected:

  bind99
   bind98
   bind97
   bind96

CVE-2012-1667
ISC BIND 9.x before 9.7.6-P1, 9.8.x before 9.8.3-P1, 9.9.x before
9.9.1-P1, and 9.4-ESV and 9.6-ESV before 9.6-ESV-R7-P1 does not
properly handle resource records with a zero-length RDATA section,
which allows remote DNS servers to cause a denial of service (daemon
crash or data corruption) or obtain sensitive information from process
memory via a crafted record.");

  script_tag(name:"solution", value:"Update your system with the appropriate patches or
  software upgrades.");

  script_xref(name:"URL", value:"http://www.isc.org/software/bind/advisories/cve-2012-1667");
  script_xref(name:"URL", value:"http://www.vuxml.org/freebsd/1ecc0d3f-ae8e-11e1-965b-0024e88a8c98.html");

  script_tag(name:"summary", value:"The remote host is missing an update to the system
  as announced in the referenced advisory.");

  script_tag(name:"qod_type", value:"package");
  script_tag(name:"solution_type", value:"VendorFix");

  exit(0);
}

include("revisions-lib.inc");
include("pkg-lib-bsd.inc");

vuln = FALSE;
txt = "";

bver = portver(pkg:"bind99");
if(!isnull(bver) && revcomp(a:bver, b:"9.9.1.1")<0) {
  txt += "Package bind99 version " + bver + " is installed which is known to be vulnerable.\n";
  vuln = TRUE;
}
bver = portver(pkg:"bind98");
if(!isnull(bver) && revcomp(a:bver, b:"9.8.3.1")<0) {
  txt += "Package bind98 version " + bver + " is installed which is known to be vulnerable.\n";
  vuln = TRUE;
}
bver = portver(pkg:"bind97");
if(!isnull(bver) && revcomp(a:bver, b:"9.7.6.1")<0) {
  txt += "Package bind97 version " + bver + " is installed which is known to be vulnerable.\n";
  vuln = TRUE;
}
bver = portver(pkg:"bind96");
if(!isnull(bver) && revcomp(a:bver, b:"9.6.3.1.ESV.R7.1")<0) {
  txt += "Package bind96 version " + bver + " is installed which is known to be vulnerable.\n";
  vuln = TRUE;
}

if(vuln) {
  security_message(data:txt);
} else if (__pkg_match) {
  exit(99);
}