AIX 5.3 TL 9 : sendmail (IZ72835)

2013-01-24T00:00:00
ID AIX_IZ72835.NASL
Type nessus
Reporter Tenable
Modified 2013-03-12T00:00:00

Description

'sendmail before 8.14.4 does not properly handle a '\0' character in a Common Name (CN) field of an X.509 certificate, which (1) allows man-in-the-middle attackers to spoof arbitrary SSL-based SMTP servers via a crafted server certificate issued by a legitimate Certification Authority, and (2) allows remote attackers to bypass intended access restrictions via a crafted client certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.'.

                                        
                                            #
# (C) Tenable Network Security, Inc.
#
# The text in the description was extracted from AIX Security
# Advisory sendmail_advisory.asc.
#

include("compat.inc");

if (description)
{
  script_id(63811);
  script_version("$Revision: 1.4 $");
  script_cvs_date("$Date: 2013/03/12 02:35:31 $");

  script_cve_id("CVE-2009-4565");
  script_xref(name:"IAVA", value:"2010-A-0002");

  script_name(english:"AIX 5.3 TL 9 : sendmail (IZ72835)");
  script_summary(english:"Check for APAR IZ72835");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote AIX host is missing a security patch."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"'sendmail before 8.14.4 does not properly handle a '\0' character in a
Common Name (CN) field of an X.509 certificate, which (1) allows
man-in-the-middle attackers to spoof arbitrary SSL-based SMTP servers
via a crafted server certificate issued by a legitimate Certification
Authority, and (2) allows remote attackers to bypass intended access
restrictions via a crafted client certificate issued by a legitimate
Certification Authority, a related issue to CVE-2009-2408.'."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"http://aix.software.ibm.com/aix/efixes/security/sendmail_advisory.asc"
  );
  script_set_attribute(
    attribute:"solution", 
    value:"Install the appropriate interim fix."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_cwe_id(310);

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:ibm:aix:5.3");

  script_set_attribute(attribute:"vuln_publication_date", value:"2010/03/29");
  script_set_attribute(attribute:"patch_publication_date", value:"2010/03/29");
  script_set_attribute(attribute:"plugin_publication_date", value:"2013/01/24");
  script_set_attribute(attribute:"stig_severity", value:"I");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2013 Tenable Network Security, Inc.");
  script_family(english:"AIX Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/AIX/lslpp", "Host/local_checks_enabled", "Host/AIX/version");

  exit(0);
}



include("audit.inc");
include("global_settings.inc");
include("aix.inc");
include("misc_func.inc");

if ( ! get_kb_item("Host/local_checks_enabled") ) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if ( ! get_kb_item("Host/AIX/version") ) audit(AUDIT_OS_NOT, "AIX");
if ( ! get_kb_item("Host/AIX/lslpp") ) audit(AUDIT_PACKAGE_LIST_MISSING);

if ( get_kb_item("Host/AIX/emgr_failure" ) ) exit(0, "This iFix check is disabled because : "+get_kb_item("Host/AIX/emgr_failure") );

flag = 0;

if (aix_check_ifix(release:"5.3", ml:"09", patch:"IZ72835_09", package:"bos.net.tcp.client", minfilesetver:"5.3.9.0", maxfilesetver:"5.3.9.7") < 0) flag++;

if (flag)
{
  if (report_verbosity > 0) security_hole(port:0, extra:aix_report_get());
  else security_hole(0);
  exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");