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.
#%NASL_MIN_LEVEL 70300
#
# (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('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(36067);
script_version("1.15");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/04");
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) 2009-2021 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");
Vendor | Product | Version | CPE |
---|---|---|---|
debian | debian_linux | nss-ldapd | p-cpe:/a:debian:debian_linux:nss-ldapd |
debian | debian_linux | 5.0 | cpe:/o:debian:debian_linux:5.0 |