FreeBSD Ports: exim

# SPDX-FileCopyrightText: 2011 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("1.3.6.1.4.1.25623.1.0.69766");
  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:"2011-08-03 04:36:20 +0200 (Wed, 03 Aug 2011)");
  script_cve_id("CVE-2011-1764", "CVE-2011-1407");
  script_tag(name:"cvss_base", value:"7.5");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_name("FreeBSD Ports: exim");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2011 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 package is affected: exim

CVE-2011-1407
The DKIM implementation in Exim 4.7x before 4.76 permits matching for
DKIM identities to apply to lookup items, instead of only strings,
which allows remote attackers to execute arbitrary code or access a
filesystem via a crafted identity.");

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

  script_xref(name:"URL", value:"http://bugs.exim.org/show_bug.cgi?id=1106");
  script_xref(name:"URL", value:"https://lists.exim.org/lurker/message/20110512.102909.8136175a.en.html");
  script_xref(name:"URL", value:"http://www.vuxml.org/freebsd/36594c54-7be7-11e0-9838-0022156e8794.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:"exim");
if(!isnull(bver) && revcomp(a:bver, b:"4.70")>=0 && revcomp(a:bver, b:"4.76")<0) {
  txt += 'Package exim 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);
}