Scientific Linux Security Update : mod_nss on SL5.x, SL6.x i386/x86_64

2013-12-10T00:00:00
ID SL_20131203_MOD_NSS_ON_SL5_X.NASL
Type nessus
Reporter This script is Copyright (C) 2013-2018 and is owned by Tenable, Inc. or an Affiliate thereof.
Modified 2019-11-02T00:00:00

Description

A flaw was found in the way mod_nss handled the NSSVerifyClient setting for the per-directory context. When configured to not require a client certificate for the initial connection and only require it for a specific directory, mod_nss failed to enforce this requirement and allowed a client to access the directory when no valid client certificate was provided. (CVE-2013-4566)

The httpd service must be restarted for this update to take effect.

                                        
                                            #
# (C) Tenable Network Security, Inc.
#
# The descriptive text is (C) Scientific Linux.
#

include("compat.inc");

if (description)
{
  script_id(71304);
  script_version("1.4");
  script_cvs_date("Date: 2018/12/31 11:35:01");

  script_cve_id("CVE-2013-4566");

  script_name(english:"Scientific Linux Security Update : mod_nss on SL5.x, SL6.x i386/x86_64");
  script_summary(english:"Checks rpm output for the updated packages");

  script_set_attribute(
    attribute:"synopsis", 
    value:
"The remote Scientific Linux host is missing one or more security
updates."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"A flaw was found in the way mod_nss handled the NSSVerifyClient
setting for the per-directory context. When configured to not require
a client certificate for the initial connection and only require it
for a specific directory, mod_nss failed to enforce this requirement
and allowed a client to access the directory when no valid client
certificate was provided. (CVE-2013-4566)

The httpd service must be restarted for this update to take effect."
  );
  # https://listserv.fnal.gov/scripts/wa.exe?A2=ind1312&L=scientific-linux-errata&T=0&P=2055
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?2e8ff767"
  );
  script_set_attribute(
    attribute:"solution", 
    value:"Update the affected mod_nss and / or mod_nss-debuginfo packages."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:H/Au:N/C:P/I:P/A:N");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"x-cpe:/o:fermilab:scientific_linux");

  script_set_attribute(attribute:"patch_publication_date", value:"2013/12/03");
  script_set_attribute(attribute:"plugin_publication_date", value:"2013/12/10");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2013-2018 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Scientific Linux Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/cpu", "Host/RedHat/release", "Host/RedHat/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/RedHat/release");
if (isnull(release) || "Scientific Linux " >!< release) audit(AUDIT_HOST_NOT, "running Scientific Linux");
if (!get_kb_item("Host/RedHat/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);

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


flag = 0;
if (rpm_check(release:"SL5", reference:"mod_nss-1.0.8-8.el5_10")) flag++;
if (rpm_check(release:"SL5", reference:"mod_nss-debuginfo-1.0.8-8.el5_10")) flag++;

if (rpm_check(release:"SL6", reference:"mod_nss-1.0.8-19.el6_5")) flag++;
if (rpm_check(release:"SL6", reference:"mod_nss-debuginfo-1.0.8-19.el6_5")) flag++;


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