FreeBSD Ports: libxml

# SPDX-FileCopyrightText: 2008 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("1.3.6.1.4.1.25623.1.0.52312");
  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:"2008-09-04 20:41:11 +0200 (Thu, 04 Sep 2008)");
  script_cve_id("CVE-2004-0989");
  script_tag(name:"cvss_base", value:"10.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:C/I:C/A:C");
  script_name("FreeBSD Ports: libxml");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2008 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:

  libxml, libxml2

CVE-2004-0989
Multiple buffer overflows in libXML 2.6.12 and 2.6.13 (libxml2), and
possibly other versions, may allow remote attackers to execute
arbitrary code via (1) a long FTP URL that is not properly handled by
the xmlNanoFTPScanURL function, (2) a long proxy URL containing FTP
data that is not properly handled by the xmlNanoFTPScanProxy function,
and other overflows related to manipulation of DNS length values,
including (3) xmlNanoFTPConnect, (4) xmlNanoHTTPConnectHost, and (5)
xmlNanoHTTPConnectHost.");

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

  script_xref(name:"URL", value:"http://www.debian.org/security/2004/dsa-582");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/11526");
  script_xref(name:"URL", value:"https://marc.info/?l=bugtraq&m=109880813013482");
  script_xref(name:"URL", value:"http://www.vuxml.org/freebsd/9ff4c91e-328c-11d9-a9e7-0001020eed82.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:"libxml");
if(!isnull(bver) && revcomp(a:bver, b:"1.8.17_3")<0) {
  txt += 'Package libxml version ' + bver + ' is installed which is known to be vulnerable.\n';
  vuln = TRUE;
}
bver = portver(pkg:"libxml2");
if(!isnull(bver) && revcomp(a:bver, b:"2.6.15")<0) {
  txt += 'Package libxml2 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);
}