FreeBSD Ports: bnc

# 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("1.3.6.1.4.1.25623.1.0.52283");
  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-2004-1052");
  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: bnc");
  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 package is affected: bnc

CVE-2004-1052
Buffer overflow in the getnickuserhost function in BNC 2.8.9, and
possibly other versions, allows remote IRC servers to execute
arbitrary code via an IRC server response that contains many (1) !
(exclamation) or (2) @ (at sign) characters.");

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

  script_xref(name:"URL", value:"http://security.lss.hr/en/index.php?page=details&ID=LSS-2004-11-03");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/11647");
  script_xref(name:"URL", value:"http://www.gotbnc.com/changes.html");
  script_xref(name:"URL", value:"https://marc.info/?l=bugtraq&m=110011817627839");
  script_xref(name:"URL", value:"http://www.vuxml.org/freebsd/9be819c6-4633-11d9-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:"bnc");
if(!isnull(bver) && revcomp(a:bver, b:"2.9.1")<0) {
  txt += 'Package bnc 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);
}