UW-imapd tmail and dmail BOF Vulnerabilities - Linux

# SPDX-FileCopyrightText: 2008 Greenbone AG
# 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("1.3.6.1.4.1.25623.1.0.800149");
  script_version("2024-02-15T05:05:39+0000");
  script_tag(name:"last_modification", value:"2024-02-15 05:05:39 +0000 (Thu, 15 Feb 2024)");
  script_tag(name:"creation_date", value:"2008-12-04 14:15:00 +0100 (Thu, 04 Dec 2008)");
  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_cve_id("CVE-2008-5005");
  script_name("UW-imapd tmail and dmail BOF Vulnerabilities - Linux");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2008 Greenbone AG");
  script_family("Buffer overflow");
  script_dependencies("gather-package-list.nasl");
  script_mandatory_keys("login/SSH/success");
  script_exclude_keys("ssh/no_linux_shell");

  script_xref(name:"URL", value:"http://secunia.com/advisories/32483");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/32072");

  script_tag(name:"impact", value:"Successful exploitation allows execution of arbitrary code, but requires
  that the utilities are configured as a delivery backend for a mail transfer
  agent allowing overly long destination mailbox names.");

  script_tag(name:"affected", value:"- University of Washington Alpine 2.00 and prior on Linux

  - University Of Washington's imapd Versions prior to 2007d on Linux");

  script_tag(name:"insight", value:"The flaws are due to boundary error in the tmail/dmail utility,
  when processing overly long mailbox names composed of a username and '+'
  character followed by a long string and when specifying a long folder
  extension argument on the command line.");

  script_tag(name:"solution", value:"Update to Version 2007d.");

  script_tag(name:"summary", value:"UW-imapd is prone to buffer overflow vulnerabilities.");

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

  exit(0);
}

include("ssh_func.inc");
include("version_func.inc");

sock = ssh_login_or_reuse_connection();
if(!sock)
  exit(0);

garg[0] = "-o";
garg[1] = "-m1";
garg[2] = "-a";
garg[3] = string("[0-9]\\+[0-9]\\+[0-9]\\+[0-9]a\\?.*OK");

imapPath = ssh_find_file(file_name:"/imapd$", useregex:TRUE, sock:sock);
foreach imapBin (imapPath) {

  imapBin = chomp(imapBin);
  if(!imapBin) continue;

  arg = garg[0] + " " + garg[1] + " " + garg[2] + " " + raw_string(0x22) + garg[3] + raw_string(0x22) + " " + imapBin;

  imapVer = ssh_get_bin_version(full_prog_name:"grep", version_argv:arg, sock:sock, ver_pattern:"[0-9][0-9][0-9][0-9][a-z]?");
  if(imapVer[1]){
    if(version_is_less(version:imapVer[1], test_version:"2007d")){
      report = report_fixed_ver(installed_version:imapVer[1], fixed_version:"2007d", install_path:imapBin);
      security_message(port:0, data:report);
      ssh_close_connection();
      exit(0);
    }
  }
}

ssh_close_connection();
exit(0);