The Linux kernel 2.6.37.2 and earlier on Oracle Linux 5.8 allows local users to cause a denial of service via a crafted application
Reporter | Title | Published | Views | Family All 124 |
---|---|---|---|---|
![]() | Privilege escalation | 4 Apr 201112:27 | β | prion |
![]() | Code injection | 3 Oct 201211:02 | β | prion |
![]() | CVE-2011-1083 | 3 Apr 201101:00 | β | cvelist |
![]() | CVE-2012-3375 | 3 Oct 201210:00 | β | cvelist |
![]() | 1 | 1 Mar 201200:00 | β | oraclelinux |
![]() | Unbreakable Enterprise kernel Security update | 17 Jul 201200:00 | β | oraclelinux |
![]() | Unbreakable Enterprise kernel Security update | 16 Jul 201200:00 | β | oraclelinux |
![]() | Oracle Linux 6 kernel security, bug fix and enhancement update | 27 Jun 201200:00 | β | oraclelinux |
![]() | Oracle Linux 5.8 kernel security and bug update | 1 Mar 201200:00 | β | oraclelinux |
![]() | Red Hat Security Advisory: Red Hat Enterprise Linux 5.8 kernel update | 13 Sep 202407:08 | β | osv |
#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Oracle Linux Security Advisory ELSA-2012-01501.
##
include('compat.inc');
if (description)
{
script_id(181060);
script_version("1.0");
script_set_attribute(attribute:"plugin_modification_date", value:"2023/09/07");
script_cve_id("CVE-2011-1083");
script_name(english:"Oracle Linux 5 : ELSA-2012-0150-1: / Oracle / Linux / 5.8 / kernel (ELSA-2012-01501)");
script_set_attribute(attribute:"synopsis", value:
"The remote Oracle Linux host is missing a security update.");
script_set_attribute(attribute:"description", value:
"The remote Oracle Linux 5 host has packages installed that are affected by a vulnerability as referenced in the
ELSA-2012-01501 advisory.
- The epoll implementation in the Linux kernel 2.6.37.2 and earlier does not properly traverse a tree of
epoll file descriptors, which allows local users to cause a denial of service (CPU consumption) via a
crafted application that makes epoll_create and epoll_ctl system calls. (CVE-2011-1083)
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-2012-0150-1.html");
script_set_attribute(attribute:"solution", value:
"Update the affected packages.");
script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C");
script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H");
script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2011-1083");
script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
script_set_attribute(attribute:"vuln_publication_date", value:"2011/03/02");
script_set_attribute(attribute:"patch_publication_date", value:"2012/03/01");
script_set_attribute(attribute:"plugin_publication_date", value:"2023/09/07");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"cpe:/o:oracle:linux:5");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:kernel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:kernel-PAE");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:kernel-PAE-devel");
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-headers");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:kernel-xen");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:kernel-xen-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:ocfs2-2.6.18-308.0.0.0.1.el5");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:ocfs2-2.6.18-308.0.0.0.1.el5PAE");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:ocfs2-2.6.18-308.0.0.0.1.el5debug");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:ocfs2-2.6.18-308.0.0.0.1.el5xen");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:oracleasm-2.6.18-308.0.0.0.1.el5");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:oracleasm-2.6.18-308.0.0.0.1.el5PAE");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:oracleasm-2.6.18-308.0.0.0.1.el5debug");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:oracleasm-2.6.18-308.0.0.0.1.el5xen");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Oracle Linux Local Security Checks");
script_copyright(english:"This script is Copyright (C) 2023 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('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 os_release = get_kb_item("Host/RedHat/release");
if (isnull(os_release) || !pregmatch(pattern: "Oracle (?:Linux Server|Enterprise Linux)", string:os_release)) audit(AUDIT_OS_NOT, 'Oracle Linux');
var os_ver = pregmatch(pattern: "Oracle (?:Linux Server|Enterprise Linux) .*release ([0-9]+(\.[0-9]+)?)", string:os_release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, 'Oracle Linux');
os_ver = os_ver[1];
if (! preg(pattern:"^5([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, 'Oracle Linux 5', 'Oracle Linux ' + os_ver);
if (!get_kb_item('Host/RedHat/rpm-list')) audit(AUDIT_PACKAGE_LIST_MISSING);
var cpu = get_kb_item('Host/cpu');
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ('x86_64' >!< cpu && cpu !~ "^i[3-6]86$" && '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 = ['2.6.18-308.0.0.0.1.el5'];
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-2012-01501');
}
}
__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-headers-2.6.18-308.0.0.0.1.el5', 'cpu':'i386', 'release':'5', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-headers-2.6.18'},
{'reference':'kernel-2.6.18-308.0.0.0.1.el5', 'cpu':'i686', 'release':'5', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-2.6.18'},
{'reference':'kernel-PAE-2.6.18-308.0.0.0.1.el5', 'cpu':'i686', 'release':'5', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-PAE-2.6.18'},
{'reference':'kernel-PAE-devel-2.6.18-308.0.0.0.1.el5', 'cpu':'i686', 'release':'5', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-PAE-devel-2.6.18'},
{'reference':'kernel-debug-2.6.18-308.0.0.0.1.el5', 'cpu':'i686', 'release':'5', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-debug-2.6.18'},
{'reference':'kernel-debug-devel-2.6.18-308.0.0.0.1.el5', 'cpu':'i686', 'release':'5', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-debug-devel-2.6.18'},
{'reference':'kernel-devel-2.6.18-308.0.0.0.1.el5', 'cpu':'i686', 'release':'5', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-devel-2.6.18'},
{'reference':'kernel-xen-2.6.18-308.0.0.0.1.el5', 'cpu':'i686', 'release':'5', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-xen-2.6.18'},
{'reference':'kernel-xen-devel-2.6.18-308.0.0.0.1.el5', 'cpu':'i686', 'release':'5', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-xen-devel-2.6.18'},
{'reference':'ocfs2-2.6.18-308.0.0.0.1.el5-1.4.9-1.el5', 'cpu':'i686', 'release':'5', 'rpm_spec_vers_cmp':TRUE},
{'reference':'ocfs2-2.6.18-308.0.0.0.1.el5PAE-1.4.9-1.el5', 'cpu':'i686', 'release':'5', 'rpm_spec_vers_cmp':TRUE},
{'reference':'ocfs2-2.6.18-308.0.0.0.1.el5debug-1.4.9-1.el5', 'cpu':'i686', 'release':'5', 'rpm_spec_vers_cmp':TRUE},
{'reference':'ocfs2-2.6.18-308.0.0.0.1.el5xen-1.4.9-1.el5', 'cpu':'i686', 'release':'5', 'rpm_spec_vers_cmp':TRUE},
{'reference':'oracleasm-2.6.18-308.0.0.0.1.el5-2.0.5-1.el5', 'cpu':'i686', 'release':'5', 'rpm_spec_vers_cmp':TRUE},
{'reference':'oracleasm-2.6.18-308.0.0.0.1.el5PAE-2.0.5-1.el5', 'cpu':'i686', 'release':'5', 'rpm_spec_vers_cmp':TRUE},
{'reference':'oracleasm-2.6.18-308.0.0.0.1.el5debug-2.0.5-1.el5', 'cpu':'i686', 'release':'5', 'rpm_spec_vers_cmp':TRUE},
{'reference':'oracleasm-2.6.18-308.0.0.0.1.el5xen-2.0.5-1.el5', 'cpu':'i686', 'release':'5', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-2.6.18-308.0.0.0.1.el5', 'cpu':'x86_64', 'release':'5', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-2.6.18'},
{'reference':'kernel-debug-2.6.18-308.0.0.0.1.el5', 'cpu':'x86_64', 'release':'5', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-debug-2.6.18'},
{'reference':'kernel-debug-devel-2.6.18-308.0.0.0.1.el5', 'cpu':'x86_64', 'release':'5', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-debug-devel-2.6.18'},
{'reference':'kernel-devel-2.6.18-308.0.0.0.1.el5', 'cpu':'x86_64', 'release':'5', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-devel-2.6.18'},
{'reference':'kernel-headers-2.6.18-308.0.0.0.1.el5', 'cpu':'x86_64', 'release':'5', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-headers-2.6.18'},
{'reference':'kernel-xen-2.6.18-308.0.0.0.1.el5', 'cpu':'x86_64', 'release':'5', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-xen-2.6.18'},
{'reference':'kernel-xen-devel-2.6.18-308.0.0.0.1.el5', 'cpu':'x86_64', 'release':'5', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-xen-devel-2.6.18'},
{'reference':'ocfs2-2.6.18-308.0.0.0.1.el5-1.4.9-1.el5', 'cpu':'x86_64', 'release':'5', 'rpm_spec_vers_cmp':TRUE},
{'reference':'ocfs2-2.6.18-308.0.0.0.1.el5debug-1.4.9-1.el5', 'cpu':'x86_64', 'release':'5', 'rpm_spec_vers_cmp':TRUE},
{'reference':'ocfs2-2.6.18-308.0.0.0.1.el5xen-1.4.9-1.el5', 'cpu':'x86_64', 'release':'5', 'rpm_spec_vers_cmp':TRUE},
{'reference':'oracleasm-2.6.18-308.0.0.0.1.el5-2.0.5-1.el5', 'cpu':'x86_64', 'release':'5', 'rpm_spec_vers_cmp':TRUE},
{'reference':'oracleasm-2.6.18-308.0.0.0.1.el5debug-2.0.5-1.el5', 'cpu':'x86_64', 'release':'5', 'rpm_spec_vers_cmp':TRUE},
{'reference':'oracleasm-2.6.18-308.0.0.0.1.el5xen-2.0.5-1.el5', 'cpu':'x86_64', 'release':'5', '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-PAE / kernel-PAE-devel / etc');
}
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