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Scientific Linux Security Update : Openafs Security Update on SL6.x, SL7.x i386/x86_64 (20171206)

🗓️ 07 Dec 2017 00:00:00Reported by TenableType 
nessus
 nessus
🔗 www.tenable.com👁 21 Views

Scientific Linux Security Update : Openafs Security Update on SL6.x, SL7.x i386/x86_64 (20171206) - Fixes for certain values in RX ACK packets not being sanity checked by OpenAFS receiving peers leading to server process crashes or client kernel panics

Refs
Code
SourceLink
nessuswww.nessus.org/u
#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text is (C) Scientific Linux.
#

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

if (description)
{
  script_id(105070);
  script_version("3.4");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/14");

  script_name(english:"Scientific Linux Security Update : Openafs Security Update on SL6.x, SL7.x i386/x86_64 (20171206)");
  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:
"--

Security Fix(es) :

  - Certain values transmitted in RX ACK packets were not
    sanity checked by OpenAFS receiving peers, which could
    lead to an assertion being triggered during construction
    of outgoing packets on the same connection, resulting in
    server process crashes or client kernel panics."
  );
  # https://listserv.fnal.gov/scripts/wa.exe?A2=ind1712&L=scientific-linux-errata&F=&S=&P=6984
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?10b1b2e8"
  );
  script_set_attribute(attribute:"solution", value:"Update the affected packages.");
  script_set_attribute(attribute:"risk_factor", value:"High");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:kmod-openafs-1.6-sl-693");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:kmod-openafs-696");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:openafs");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:openafs-1.6-sl");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:openafs-1.6-sl-authlibs");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:openafs-1.6-sl-authlibs-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:openafs-1.6-sl-client");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:openafs-1.6-sl-compat");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:openafs-1.6-sl-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:openafs-1.6-sl-kernel-source");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:openafs-1.6-sl-kpasswd");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:openafs-1.6-sl-krb5");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:openafs-1.6-sl-module-tools");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:openafs-1.6-sl-plumbing-tools");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:openafs-1.6-sl-server");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:openafs-authlibs");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:openafs-authlibs-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:openafs-client");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:openafs-compat");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:openafs-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:openafs-kernel-source");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:openafs-kpasswd");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:openafs-krb5");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:openafs-module-tools");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:openafs-plumbing-tools");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:openafs-server");
  script_set_attribute(attribute:"cpe", value:"x-cpe:/o:fermilab:scientific_linux");

  script_set_attribute(attribute:"vuln_publication_date", value:"2017/12/06");
  script_set_attribute(attribute:"patch_publication_date", value:"2017/12/06");
  script_set_attribute(attribute:"plugin_publication_date", value:"2017/12/07");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2017-2021 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("misc_func.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");
os_ver = pregmatch(pattern: "Scientific Linux.*release ([0-9]+(\.[0-9]+)?)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Scientific Linux");
os_ver = os_ver[1];
if (! preg(pattern:"^7([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Scientific Linux 7.x", "Scientific Linux " + os_ver);
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:"SL6", reference:"kmod-openafs-696-1.6.20-257.sl6.696")) flag++;
if (rpm_check(release:"SL6", reference:"openafs-1.6.20-257.sl6")) flag++;
if (rpm_check(release:"SL6", reference:"openafs-authlibs-1.6.20-257.sl6")) flag++;
if (rpm_check(release:"SL6", reference:"openafs-authlibs-devel-1.6.20-257.sl6")) flag++;
if (rpm_check(release:"SL6", reference:"openafs-client-1.6.20-257.sl6")) flag++;
if (rpm_check(release:"SL6", reference:"openafs-compat-1.6.20-257.sl6")) flag++;
if (rpm_check(release:"SL6", reference:"openafs-devel-1.6.20-257.sl6")) flag++;
if (rpm_check(release:"SL6", reference:"openafs-kernel-source-1.6.20-257.sl6")) flag++;
if (rpm_check(release:"SL6", reference:"openafs-kpasswd-1.6.20-257.sl6")) flag++;
if (rpm_check(release:"SL6", reference:"openafs-krb5-1.6.20-257.sl6")) flag++;
if (rpm_check(release:"SL6", reference:"openafs-module-tools-1.6.20-257.sl6")) flag++;
if (rpm_check(release:"SL6", reference:"openafs-plumbing-tools-1.6.20-257.sl6")) flag++;
if (rpm_check(release:"SL6", reference:"openafs-server-1.6.20-257.sl6")) flag++;

if (rpm_check(release:"SL7", cpu:"x86_64", reference:"kmod-openafs-1.6-sl-693-1.6.22-278.sl7.693.11.1")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"openafs-1.6-sl-1.6.22-278.sl7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"openafs-1.6-sl-authlibs-1.6.22-278.sl7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"openafs-1.6-sl-authlibs-devel-1.6.22-278.sl7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"openafs-1.6-sl-client-1.6.22-278.sl7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"openafs-1.6-sl-compat-1.6.22-278.sl7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"openafs-1.6-sl-devel-1.6.22-278.sl7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"openafs-1.6-sl-kernel-source-1.6.22-278.sl7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"openafs-1.6-sl-kpasswd-1.6.22-278.sl7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"openafs-1.6-sl-krb5-1.6.22-278.sl7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"openafs-1.6-sl-module-tools-1.6.22-278.sl7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"openafs-1.6-sl-plumbing-tools-1.6.22-278.sl7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"openafs-1.6-sl-server-1.6.22-278.sl7")) flag++;


if (flag)
{
  security_report_v4(
    port       : 0,
    severity   : SECURITY_HOLE,
    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, "kmod-openafs-1.6-sl-693 / kmod-openafs-696 / openafs / etc");
}

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