The remote Oracle Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2013-0496 advisory.
Race condition in fs/ext4/extents.c in the Linux kernel before 3.4.16 allows local users to obtain sensitive information from a deleted file by reading an extent that was not properly marked as uninitialized. (CVE-2012-4508)
The xen_failsafe_callback function in Xen for the Linux kernel 2.6.23 and other versions, when running a 32-bit PVOPS guest, allows local users to cause a denial of service (guest crash) by triggering an iret fault, leading to use of an incorrect stack pointer and stack corruption. (CVE-2013-0190)
block/scsi_ioctl.c in the Linux kernel through 3.8 does not properly consider the SCSI device class during authorization of SCSI commands, which allows local users to bypass intended access restrictions via an SG_IO ioctl call that leverages overlapping opcodes. (CVE-2012-4542)
arch/x86/include/asm/pgtable.h in the Linux kernel before 3.6.2, when transparent huge pages are used, does not properly support PROT_NONE memory regions, which allows local users to cause a denial of service (system crash) via a crafted application. (CVE-2013-0309)
The cipso_v4_validate function in net/ipv4/cipso_ipv4.c in the Linux kernel before 3.4.8 allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via an IPOPT_CIPSO IP_OPTIONS setsockopt system call. (CVE-2013-0310)
The translate_desc function in drivers/vhost/vhost.c in the Linux kernel before 3.7 does not properly handle cross-region descriptors, which allows guest OS users to obtain host OS privileges by leveraging KVM guest OS privileges. (CVE-2013-0311)
Note that Nessus has not tested for this issue but has instead relied only on the application’s self-reported version number.
#%NASL_MIN_LEVEL 70300
##
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Oracle Linux Security Advisory ELSA-2013-0496.
##
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(68739);
script_version("1.16");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/09/08");
script_cve_id(
"CVE-2012-4508",
"CVE-2012-4542",
"CVE-2013-0190",
"CVE-2013-0309",
"CVE-2013-0310",
"CVE-2013-0311"
);
script_bugtraq_id(
46616,
52687,
53233,
53414,
53615,
53668,
53965,
53971,
54279,
54365,
54367,
54702,
54763,
55151,
55361,
55878,
56238,
56346,
56414,
57433,
58046,
58052,
58053,
58088
);
script_xref(name:"RHSA", value:"2013:0496");
script_name(english:"Oracle Linux 6 : Oracle / Linux / 6 / kernel (ELSA-2013-0496)");
script_set_attribute(attribute:"synopsis", value:
"The remote Oracle Linux host is missing one or more security updates.");
script_set_attribute(attribute:"description", value:
"The remote Oracle Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the
ELSA-2013-0496 advisory.
- Race condition in fs/ext4/extents.c in the Linux kernel before 3.4.16 allows local users to obtain
sensitive information from a deleted file by reading an extent that was not properly marked as
uninitialized. (CVE-2012-4508)
- The xen_failsafe_callback function in Xen for the Linux kernel 2.6.23 and other versions, when running a
32-bit PVOPS guest, allows local users to cause a denial of service (guest crash) by triggering an iret
fault, leading to use of an incorrect stack pointer and stack corruption. (CVE-2013-0190)
- block/scsi_ioctl.c in the Linux kernel through 3.8 does not properly consider the SCSI device class during
authorization of SCSI commands, which allows local users to bypass intended access restrictions via an
SG_IO ioctl call that leverages overlapping opcodes. (CVE-2012-4542)
- arch/x86/include/asm/pgtable.h in the Linux kernel before 3.6.2, when transparent huge pages are used,
does not properly support PROT_NONE memory regions, which allows local users to cause a denial of service
(system crash) via a crafted application. (CVE-2013-0309)
- The cipso_v4_validate function in net/ipv4/cipso_ipv4.c in the Linux kernel before 3.4.8 allows local
users to cause a denial of service (NULL pointer dereference and system crash) or possibly have
unspecified other impact via an IPOPT_CIPSO IP_OPTIONS setsockopt system call. (CVE-2013-0310)
- The translate_desc function in drivers/vhost/vhost.c in the Linux kernel before 3.7 does not properly
handle cross-region descriptors, which allows guest OS users to obtain host OS privileges by leveraging
KVM guest OS privileges. (CVE-2013-0311)
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
script_set_attribute(attribute:"see_also", value:"https://linux.oracle.com/errata/ELSA-2013-0496.html");
script_set_attribute(attribute:"solution", value:
"Update the affected packages.");
script_set_cvss_base_vector("CVSS2#AV:L/AC:M/Au:S/C:C/I:C/A:C");
script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2013-0310");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"exploit_available", value:"false");
script_set_attribute(attribute:"vuln_publication_date", value:"2012/10/25");
script_set_attribute(attribute:"patch_publication_date", value:"2013/02/27");
script_set_attribute(attribute:"plugin_publication_date", value:"2013/07/12");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"cpe:/o:oracle:linux:6");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:kernel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:kernel-debug");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:kernel-debug-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:kernel-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:kernel-firmware");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:kernel-headers");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:perf");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:python-perf");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Oracle Linux Local Security Checks");
script_copyright(english:"This script is Copyright (C) 2013-2021 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("linux_alt_patch_detect.nasl", "ssh_get_info.nasl");
script_require_keys("Host/OracleLinux", "Host/RedHat/release", "Host/RedHat/rpm-list", "Host/local_checks_enabled");
exit(0);
}
include('audit.inc');
include('global_settings.inc');
include('ksplice.inc');
include('rpm.inc');
if (!get_kb_item('Host/local_checks_enabled')) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item('Host/OracleLinux')) audit(AUDIT_OS_NOT, 'Oracle Linux');
var release = get_kb_item("Host/RedHat/release");
if (isnull(release) || !pregmatch(pattern: "Oracle (?:Linux Server|Enterprise Linux)", string:release)) audit(AUDIT_OS_NOT, 'Oracle Linux');
var os_ver = pregmatch(pattern: "Oracle (?:Linux Server|Enterprise Linux) .*release ([0-9]+(\.[0-9]+)?)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, 'Oracle Linux');
var os_ver = os_ver[1];
if (! preg(pattern:"^6([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, 'Oracle Linux 6', 'Oracle Linux ' + os_ver);
if (!get_kb_item('Host/RedHat/rpm-list')) audit(AUDIT_PACKAGE_LIST_MISSING);
var cpu = get_kb_item('Host/cpu');
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ('x86_64' >!< cpu && cpu !~ "^i[3-6]86$" && 'aarch64' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'Oracle Linux', cpu);
var machine_uptrack_level = get_one_kb_item('Host/uptrack-uname-r');
if (machine_uptrack_level)
{
var trimmed_uptrack_level = ereg_replace(string:machine_uptrack_level, pattern:"\.(x86_64|i[3-6]86|aarch64)$", replace:'');
var fixed_uptrack_levels = ['2.6.32-358.el6'];
foreach var fixed_uptrack_level ( fixed_uptrack_levels ) {
if (rpm_spec_vers_cmp(a:trimmed_uptrack_level, b:fixed_uptrack_level) >= 0)
{
audit(AUDIT_PATCH_INSTALLED, 'KSplice hotfix for ELSA-2013-0496');
}
}
__rpm_report = 'Running KSplice level of ' + trimmed_uptrack_level + ' does not meet the minimum fixed level of ' + join(fixed_uptrack_levels, sep:' / ') + ' for this advisory.\n\n';
}
var kernel_major_minor = get_kb_item('Host/uname/major_minor');
if (empty_or_null(kernel_major_minor)) exit(1, 'Unable to determine kernel major-minor level.');
var expected_kernel_major_minor = '2.6';
if (kernel_major_minor != expected_kernel_major_minor)
audit(AUDIT_OS_NOT, 'running kernel level ' + expected_kernel_major_minor + ', it is running kernel level ' + kernel_major_minor);
var pkgs = [
{'reference':'kernel-2.6.32-358.el6', 'cpu':'i686', 'release':'6', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-2.6.32'},
{'reference':'kernel-2.6.32-358.el6', 'cpu':'x86_64', 'release':'6', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-2.6.32'},
{'reference':'kernel-debug-2.6.32-358.el6', 'cpu':'i686', 'release':'6', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-debug-2.6.32'},
{'reference':'kernel-debug-2.6.32-358.el6', 'cpu':'x86_64', 'release':'6', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-debug-2.6.32'},
{'reference':'kernel-debug-devel-2.6.32-358.el6', 'cpu':'i686', 'release':'6', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-debug-devel-2.6.32'},
{'reference':'kernel-debug-devel-2.6.32-358.el6', 'cpu':'x86_64', 'release':'6', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-debug-devel-2.6.32'},
{'reference':'kernel-devel-2.6.32-358.el6', 'cpu':'i686', 'release':'6', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-devel-2.6.32'},
{'reference':'kernel-devel-2.6.32-358.el6', 'cpu':'x86_64', 'release':'6', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-devel-2.6.32'},
{'reference':'kernel-firmware-2.6.32-358.el6', 'release':'6', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-firmware-2.6.32'},
{'reference':'kernel-headers-2.6.32-358.el6', 'cpu':'i686', 'release':'6', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-headers-2.6.32'},
{'reference':'kernel-headers-2.6.32-358.el6', 'cpu':'x86_64', 'release':'6', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-headers-2.6.32'},
{'reference':'perf-2.6.32-358.el6', 'cpu':'i686', 'release':'6', 'rpm_spec_vers_cmp':TRUE},
{'reference':'perf-2.6.32-358.el6', 'cpu':'x86_64', 'release':'6', 'rpm_spec_vers_cmp':TRUE},
{'reference':'python-perf-2.6.32-358.el6', 'cpu':'i686', 'release':'6', 'rpm_spec_vers_cmp':TRUE},
{'reference':'python-perf-2.6.32-358.el6', 'cpu':'x86_64', 'release':'6', 'rpm_spec_vers_cmp':TRUE}
];
var flag = 0;
foreach var package_array ( pkgs ) {
var reference = NULL;
var release = NULL;
var sp = NULL;
var cpu = NULL;
var el_string = NULL;
var rpm_spec_vers_cmp = NULL;
var epoch = NULL;
var allowmaj = NULL;
var exists_check = NULL;
if (!empty_or_null(package_array['reference'])) reference = package_array['reference'];
if (!empty_or_null(package_array['release'])) release = 'EL' + package_array['release'];
if (!empty_or_null(package_array['sp'])) sp = package_array['sp'];
if (!empty_or_null(package_array['cpu'])) cpu = package_array['cpu'];
if (!empty_or_null(package_array['el_string'])) el_string = package_array['el_string'];
if (!empty_or_null(package_array['rpm_spec_vers_cmp'])) rpm_spec_vers_cmp = package_array['rpm_spec_vers_cmp'];
if (!empty_or_null(package_array['epoch'])) epoch = package_array['epoch'];
if (!empty_or_null(package_array['allowmaj'])) allowmaj = package_array['allowmaj'];
if (!empty_or_null(package_array['exists_check'])) exists_check = package_array['exists_check'];
if (reference && release) {
if (exists_check) {
if (rpm_exists(release:release, rpm:exists_check) && rpm_check(release:release, sp:sp, cpu:cpu, reference:reference, epoch:epoch, el_string:el_string, rpm_spec_vers_cmp:rpm_spec_vers_cmp, allowmaj:allowmaj)) flag++;
} else {
if (rpm_check(release:release, sp:sp, cpu:cpu, reference:reference, epoch:epoch, el_string:el_string, rpm_spec_vers_cmp:rpm_spec_vers_cmp, allowmaj:allowmaj)) flag++;
}
}
}
if (flag)
{
security_report_v4(
port : 0,
severity : SECURITY_WARNING,
extra : rpm_report_get()
);
exit(0);
}
else
{
var tested = pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'kernel / kernel-debug / kernel-debug-devel / etc');
}
Vendor | Product | Version | CPE |
---|---|---|---|
oracle | linux | 6 | cpe:/o:oracle:linux:6 |
oracle | linux | kernel | p-cpe:/a:oracle:linux:kernel |
oracle | linux | kernel-debug | p-cpe:/a:oracle:linux:kernel-debug |
oracle | linux | kernel-debug-devel | p-cpe:/a:oracle:linux:kernel-debug-devel |
oracle | linux | kernel-devel | p-cpe:/a:oracle:linux:kernel-devel |
oracle | linux | kernel-firmware | p-cpe:/a:oracle:linux:kernel-firmware |
oracle | linux | kernel-headers | p-cpe:/a:oracle:linux:kernel-headers |
oracle | linux | perf | p-cpe:/a:oracle:linux:perf |
oracle | linux | python-perf | p-cpe:/a:oracle:linux:python-perf |
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-4508
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-4542
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-0190
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-0309
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-0310
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-0311
linux.oracle.com/errata/ELSA-2013-0496.html