Shawn Emery discovered a remotely-triggerable NULL pointer dereference in the Kerberos GSS-API library which could cause service crash. Update includes fixes to detect the error
Reporter | Title | Published | Views | Family All 161 |
---|---|---|---|---|
Tenable Nessus | SuSE 11 Security Update : krb5 (SAT Patch Number 2437) | 2 Dec 201000:00 | – | nessus |
Tenable Nessus | Oracle Linux 3 / 4 / 5 : krb5 (ELSA-2010-0423) | 12 Jul 201300:00 | – | nessus |
Tenable Nessus | Fedora 13 : krb5-1.7.1-10.fc13 (2010-8749) | 1 Jul 201000:00 | – | nessus |
Tenable Nessus | openSUSE Security Update : krb5 (openSUSE-SU-2010:0292-1) | 26 May 201000:00 | – | nessus |
Tenable Nessus | openSUSE Security Update : krb5 (openSUSE-SU-2010:0292-1) | 26 May 201000:00 | – | nessus |
Tenable Nessus | Mandriva Linux Security Advisory : krb5 (MDVSA-2010:100) | 20 May 201000:00 | – | nessus |
Tenable Nessus | Scientific Linux Security Update : krb5 on SL3.x, SL4.x, SL5.x i386/x86_64 | 1 Aug 201200:00 | – | nessus |
Tenable Nessus | CentOS 3 / 4 / 5 : krb5 (CESA-2010:0423) | 24 May 201000:00 | – | nessus |
Tenable Nessus | RHEL 3 / 4 / 5 : krb5 (RHSA-2010:0423) | 19 May 201000:00 | – | nessus |
Tenable Nessus | Fedora 12 : krb5-1.7.1-9.fc12 (2010-8805) | 1 Jul 201000:00 | – | nessus |
Source | Link |
---|---|
bugzilla | www.bugzilla.redhat.com/show_bug.cgi |
cve | www.cve.mitre.org/cgi-bin/cvename.cgi |
nessus | www.nessus.org/u |
#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Fedora Security Advisory 2010-8796.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(47512);
script_version("1.16");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/11");
script_cve_id("CVE-2010-1321");
script_bugtraq_id(37749, 39247);
script_xref(name:"FEDORA", value:"2010-8796");
script_name(english:"Fedora 11 : krb5-1.6.3-31.fc11 (2010-8796)");
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:
"Shawn Emery discovered a remotely-triggerable NULL pointer dereference
in the Kerberos GSS-API library which could be used to cause
GSS-API-authenticated services to crash. This update incorporates
fixes to instead correctly detect the error and return an error code.
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=582466"
);
# https://lists.fedoraproject.org/pipermail/package-announce/2010-May/041645.html
script_set_attribute(
attribute:"see_also",
value:"http://www.nessus.org/u?eaf95fb5"
);
script_set_attribute(attribute:"solution", value:"Update the affected krb5 package.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/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:11");
script_set_attribute(attribute:"patch_publication_date", value:"2010/05/19");
script_set_attribute(attribute:"plugin_publication_date", value:"2010/07/01");
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:"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:"^11([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Fedora 11.x", "Fedora " + os_ver);
if (!get_kb_item("Host/RedHat/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Fedora", cpu);
flag = 0;
if (rpm_check(release:"FC11", reference:"krb5-1.6.3-31.fc11")) flag++;
if (flag)
{
if (report_verbosity > 0) security_warning(port:0, extra:rpm_report_get());
else security_warning(0);
exit(0);
}
else
{
tested = pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, "krb5");
}
Transform Your Security Services
Elevate your offerings with Vulners' advanced Vulnerability Intelligence. Contact us for a demo and discover the difference comprehensive, actionable intelligence can make in your security strategy.
Book a live demo