CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:N/I:N/A:C
EPSS
Percentile
98.1%
This update applies the upstream patch to fix a NULL pointer dereference wi= th the LDAP kdb backend (CVE-2011-1527), an assertion failure with multiple= kdb backends (CVE-2011-1528), and a NULL pointer dereference with multiple= kdb backends (CVE-2011-1529).
(#737711)
-----=
Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Fedora Security Advisory 2011-14650.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(56851);
script_version("1.16");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/11");
script_cve_id("CVE-2011-1527", "CVE-2011-1528", "CVE-2011-1529");
script_bugtraq_id(50273);
script_xref(name:"FEDORA", value:"2011-14650");
script_name(english:"Fedora 14 : krb5-1.8.4-3.fc14 (2011-14650)");
script_summary(english:"Checks rpm output for the updated package.");
script_set_attribute(
attribute:"synopsis",
value:"The remote Fedora host is missing a security update."
);
script_set_attribute(
attribute:"description",
value:
"This update applies the upstream patch to fix a NULL pointer
dereference wi= th the LDAP kdb backend (CVE-2011-1527), an assertion
failure with multiple= kdb backends (CVE-2011-1528), and a NULL
pointer dereference with multiple= kdb backends (CVE-2011-1529).
(#737711)
----------------------------------------------------------------------
-----=
Note that Tenable Network Security has extracted the preceding
description block directly from the Fedora security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues."
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.redhat.com/show_bug.cgi?id=737711"
);
# https://lists.fedoraproject.org/pipermail/package-announce/2011-November/069381.html
script_set_attribute(
attribute:"see_also",
value:"http://www.nessus.org/u?cceea7b8"
);
script_set_attribute(attribute:"solution", value:"Update the affected krb5 package.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C");
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:fedoraproject:fedora:krb5");
script_set_attribute(attribute:"cpe", value:"cpe:/o:fedoraproject:fedora:14");
script_set_attribute(attribute:"patch_publication_date", value:"2011/10/20");
script_set_attribute(attribute:"plugin_publication_date", value:"2011/11/16");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2011-2021 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_family(english:"Fedora Local Security Checks");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/local_checks_enabled", "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) || "Fedora" >!< release) audit(AUDIT_OS_NOT, "Fedora");
os_ver = eregmatch(pattern: "Fedora.*release ([0-9]+)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Fedora");
os_ver = os_ver[1];
if (! ereg(pattern:"^14([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Fedora 14.x", "Fedora " + os_ver);
if (!get_kb_item("Host/RedHat/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Fedora", cpu);
flag = 0;
if (rpm_check(release:"FC14", reference:"krb5-1.8.4-3.fc14")) flag++;
if (flag)
{
if (report_verbosity > 0) security_hole(port:0, extra:rpm_report_get());
else security_hole(0);
exit(0);
}
else
{
tested = pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, "krb5");
}
Vendor | Product | Version | CPE |
---|---|---|---|
fedoraproject | fedora | krb5 | p-cpe:/a:fedoraproject:fedora:krb5 |
fedoraproject | fedora | 14 | cpe:/o:fedoraproject:fedora:14 |