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CentOS 5 : nss_db (CESA-2010:0347)

2010-06-01T00:00:00
ID CENTOS_RHSA-2010-0347.NASL
Type nessus
Reporter This script is Copyright (C) 2010-2021 and is owned by Tenable, Inc. or an Affiliate thereof.
Modified 2010-06-01T00:00:00

Description

Updated nss_db packages that fix one security issue are now available for Red Hat Enterprise Linux 5.

The Red Hat Security Response Team has rated this update as having moderate security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section.

The nss_db packages provide a set of C library extensions which allow Berkeley Database (Berkeley DB) databases to be used as a primary source of aliases, ethers, groups, hosts, networks, protocols, users, RPCs, services, and shadow passwords. These databases are used instead of or in addition to the flat files used by these tools by default.

It was discovered that nss_db did not specify a path to the directory to be used as the database environment for the Berkeley Database library, causing it to use the current working directory as the default. This could possibly allow a local attacker to obtain sensitive information. (CVE-2010-0826)

Users of nss_db are advised to upgrade to these updated packages, which contain a backported patch to correct this issue.

                                        
                                            #%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Red Hat Security Advisory RHSA-2010:0347 and 
# CentOS Errata and Security Advisory 2010:0347 respectively.
#

include('deprecated_nasl_level.inc');
include('compat.inc');

if (description)
{
  script_id(46755);
  script_version("1.15");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/04");

  script_cve_id("CVE-2010-0826");
  script_bugtraq_id(39132);
  script_xref(name:"RHSA", value:"2010:0347");

  script_name(english:"CentOS 5 : nss_db (CESA-2010:0347)");
  script_summary(english:"Checks rpm output for the updated package");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote CentOS host is missing a security update."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"Updated nss_db packages that fix one security issue are now available
for Red Hat Enterprise Linux 5.

The Red Hat Security Response Team has rated this update as having
moderate security impact. A Common Vulnerability Scoring System (CVSS)
base score, which gives a detailed severity rating, is available from
the CVE link in the References section.

The nss_db packages provide a set of C library extensions which allow
Berkeley Database (Berkeley DB) databases to be used as a primary
source of aliases, ethers, groups, hosts, networks, protocols, users,
RPCs, services, and shadow passwords. These databases are used instead
of or in addition to the flat files used by these tools by default.

It was discovered that nss_db did not specify a path to the directory
to be used as the database environment for the Berkeley Database
library, causing it to use the current working directory as the
default. This could possibly allow a local attacker to obtain
sensitive information. (CVE-2010-0826)

Users of nss_db are advised to upgrade to these updated packages,
which contain a backported patch to correct this issue."
  );
  # https://lists.centos.org/pipermail/centos-announce/2010-May/016705.html
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?e3d752f0"
  );
  # https://lists.centos.org/pipermail/centos-announce/2010-May/016706.html
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?77c8a165"
  );
  script_set_attribute(
    attribute:"solution", 
    value:"Update the affected nss_db package."
  );
  script_set_cvss_base_vector("CVSS2#AV:L/AC:M/Au:N/C:P/I:N/A:N");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:nss_db");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:centos:centos:5");

  script_set_attribute(attribute:"vuln_publication_date", value:"2010/04/05");
  script_set_attribute(attribute:"patch_publication_date", value:"2010/05/28");
  script_set_attribute(attribute:"plugin_publication_date", value:"2010/06/01");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2010-2021 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"CentOS Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/CentOS/release", "Host/CentOS/rpm-list");

  exit(0);
}


include("audit.inc");
include("global_settings.inc");
include("rpm.inc");


if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
release = get_kb_item("Host/CentOS/release");
if (isnull(release) || "CentOS" >!< release) audit(AUDIT_OS_NOT, "CentOS");
os_ver = pregmatch(pattern: "CentOS(?: Linux)? release ([0-9]+)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "CentOS");
os_ver = os_ver[1];
if (! preg(pattern:"^5([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "CentOS 5.x", "CentOS " + os_ver);

if (!get_kb_item("Host/CentOS/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);


cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "CentOS", cpu);


flag = 0;
if (rpm_check(release:"CentOS-5", reference:"nss_db-2.2-35.4.el5_5")) flag++;


if (flag)
{
  security_report_v4(
    port       : 0,
    severity   : SECURITY_NOTE,
    extra      : rpm_report_get()
  );
  exit(0);
}
else
{
  tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "nss_db");
}
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