Debian DSA-1758-1 : nss-ldapd - insecure config file creation

2009-04-01T00:00:00
ID DEBIAN_DSA-1758.NASL
Type nessus
Reporter Tenable
Modified 2018-11-10T00:00:00

Description

Leigh James discovered that nss-ldapd, an NSS module for using LDAP as a naming service, by default creates the configuration file /etc/nss-ldapd.conf world-readable which could leak the configured LDAP password if one is used for connecting to the LDAP server.

                                        
                                            #
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Debian Security Advisory DSA-1758. The text 
# itself is copyright (C) Software in the Public Interest, Inc.
#

include("compat.inc");

if (description)
{
  script_id(36067);
  script_version("1.13");
  script_cvs_date("Date: 2018/11/10 11:49:34");

  script_cve_id("CVE-2009-1073");
  script_bugtraq_id(34211);
  script_xref(name:"DSA", value:"1758");

  script_name(english:"Debian DSA-1758-1 : nss-ldapd - insecure config file creation");
  script_summary(english:"Checks dpkg output for the updated package");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote Debian host is missing a security-related update."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"Leigh James discovered that nss-ldapd, an NSS module for using LDAP as
a naming service, by default creates the configuration file
/etc/nss-ldapd.conf world-readable which could leak the configured
LDAP password if one is used for connecting to the LDAP server."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=520476"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.debian.org/security/2009/dsa-1758"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"Upgrade the nss-ldapd package.

The old stable distribution (etch) doesn't contain nss-ldapd.

For the stable distribution (lenny) this problem has been fixed in
version 0.6.7.1."
  );
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:C/I:N/A:N");
  script_set_cvss_temporal_vector("CVSS2#E:F/RL:OF/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_set_attribute(attribute:"exploit_framework_canvas", value:"true");
  script_set_attribute(attribute:"canvas_package", value:'D2ExploitPack');
  script_cwe_id(264);

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:nss-ldapd");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:5.0");

  script_set_attribute(attribute:"patch_publication_date", value:"2009/03/30");
  script_set_attribute(attribute:"plugin_publication_date", value:"2009/04/01");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2009-2018 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Debian Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/Debian/release", "Host/Debian/dpkg-l");

  exit(0);
}


include("audit.inc");
include("debian_package.inc");


if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/Debian/release")) audit(AUDIT_OS_NOT, "Debian");
if (!get_kb_item("Host/Debian/dpkg-l")) audit(AUDIT_PACKAGE_LIST_MISSING);


flag = 0;
if (deb_check(release:"5.0", prefix:"libnss-ldapd", reference:"0.6.7.1")) flag++;

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