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nessusThis script is Copyright (C) 2013-2021 and is owned by Tenable, Inc. or an Affiliate thereof.MANDRIVA_MDVSA-2013-275.NASL
HistoryNov 22, 2013 - 12:00 a.m.

Mandriva Linux Security Advisory : krb5 (MDVSA-2013:275)

2013-11-2200:00:00
This script is Copyright (C) 2013-2021 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
13

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:N/I:N/A:P

EPSS

0.936

Percentile

99.1%

Updated krb5 package fixes security vulnerabily :

If a KDC serves multiple realms, certain requests can cause setup_server_realm() to dereference a NULL pointer, crashing the KDC.
This can be triggered by an unauthenticated user (CVE-2013-1418).

#%NASL_MIN_LEVEL 70300

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Mandriva Linux Security Advisory MDVSA-2013:275. 
# The text itself is copyright (C) Mandriva S.A.
#

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

if (description)
{
  script_id(71029);
  script_version("1.11");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/06");

  script_cve_id("CVE-2013-1418");
  script_bugtraq_id(63555);
  script_xref(name:"MDVSA", value:"2013:275");

  script_name(english:"Mandriva Linux Security Advisory : krb5 (MDVSA-2013:275)");
  script_summary(english:"Checks rpm output for the updated packages");

  script_set_attribute(
    attribute:"synopsis", 
    value:
"The remote Mandriva Linux host is missing one or more security
updates."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"Updated krb5 package fixes security vulnerabily :

If a KDC serves multiple realms, certain requests can cause
setup_server_realm() to dereference a NULL pointer, crashing the KDC.
This can be triggered by an unauthenticated user (CVE-2013-1418)."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"http://advisories.mageia.org/MGASA-2013-0335.html"
  );
  script_set_attribute(attribute:"solution", value:"Update the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P");
  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:mandriva:linux:krb5");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:mandriva:linux:krb5-pkinit-openssl");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:mandriva:linux:krb5-server");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:mandriva:linux:krb5-server-ldap");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:mandriva:linux:krb5-workstation");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:mandriva:linux:lib64krb53");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:mandriva:linux:lib64krb53-devel");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:mandriva:business_server:1");

  script_set_attribute(attribute:"patch_publication_date", value:"2013/11/21");
  script_set_attribute(attribute:"plugin_publication_date", value:"2013/11/22");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2013-2021 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Mandriva Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/cpu", "Host/Mandrake/release", "Host/Mandrake/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);
if (!get_kb_item("Host/Mandrake/release")) audit(AUDIT_OS_NOT, "Mandriva / Mandake Linux");
if (!get_kb_item("Host/Mandrake/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);

cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if (cpu !~ "^(amd64|i[3-6]86|x86_64)$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Mandriva / Mandrake Linux", cpu);


flag = 0;
if (rpm_check(release:"MDK-MBS1", cpu:"x86_64", reference:"krb5-1.9.2-3.4.mbs1")) flag++;
if (rpm_check(release:"MDK-MBS1", cpu:"x86_64", reference:"krb5-pkinit-openssl-1.9.2-3.4.mbs1")) flag++;
if (rpm_check(release:"MDK-MBS1", cpu:"x86_64", reference:"krb5-server-1.9.2-3.4.mbs1")) flag++;
if (rpm_check(release:"MDK-MBS1", cpu:"x86_64", reference:"krb5-server-ldap-1.9.2-3.4.mbs1")) flag++;
if (rpm_check(release:"MDK-MBS1", cpu:"x86_64", reference:"krb5-workstation-1.9.2-3.4.mbs1")) flag++;
if (rpm_check(release:"MDK-MBS1", cpu:"x86_64", reference:"lib64krb53-1.9.2-3.4.mbs1")) flag++;
if (rpm_check(release:"MDK-MBS1", cpu:"x86_64", reference:"lib64krb53-devel-1.9.2-3.4.mbs1")) 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");
VendorProductVersionCPE
mandrivalinuxkrb5p-cpe:/a:mandriva:linux:krb5
mandrivalinuxkrb5-pkinit-opensslp-cpe:/a:mandriva:linux:krb5-pkinit-openssl
mandrivalinuxkrb5-serverp-cpe:/a:mandriva:linux:krb5-server
mandrivalinuxkrb5-server-ldapp-cpe:/a:mandriva:linux:krb5-server-ldap
mandrivalinuxkrb5-workstationp-cpe:/a:mandriva:linux:krb5-workstation
mandrivalinuxlib64krb53p-cpe:/a:mandriva:linux:lib64krb53
mandrivalinuxlib64krb53-develp-cpe:/a:mandriva:linux:lib64krb53-devel
mandrivabusiness_server1cpe:/o:mandriva:business_server:1

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:N/I:N/A:P

EPSS

0.936

Percentile

99.1%