Scientific Linux Security Update for kernel on SL5.x i386/x86_64 fixes file permission and ptrace vulnerabilities (20130311
Reporter | Title | Published | Views | Family All 199 |
---|---|---|---|---|
![]() | Oracle: Security Advisory (ELSA-2013-0621-1) | 6 Oct 201500:00 | – | openvas |
![]() | CentOS Update for kernel CESA-2013:0621 centos5 | 15 Mar 201300:00 | – | openvas |
![]() | CentOS Update for kernel CESA-2013:0621 centos5 | 15 Mar 201300:00 | – | openvas |
![]() | RedHat Update for kernel RHSA-2013:0621-01 | 12 Mar 201300:00 | – | openvas |
![]() | RedHat Update for kernel RHSA-2013:0621-01 | 12 Mar 201300:00 | – | openvas |
![]() | Oracle: Security Advisory (ELSA-2013-0621) | 6 Oct 201500:00 | – | openvas |
![]() | Oracle: Security Advisory (ELSA-2013-0630) | 6 Oct 201500:00 | – | openvas |
![]() | Oracle: Security Advisory (ELSA-2013-2511) | 6 Oct 201500:00 | – | openvas |
![]() | Oracle: Security Advisory (ELSA-2013-2512) | 6 Oct 201500:00 | – | openvas |
![]() | Ubuntu: Security Advisory (USN-1738-1) | 22 Feb 201300:00 | – | openvas |
#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text is (C) Scientific Linux.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(65241);
script_version("1.6");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/14");
script_cve_id("CVE-2013-0268", "CVE-2013-0871");
script_name(english:"Scientific Linux Security Update : kernel on SL5.x i386/x86_64 (20130311)");
script_summary(english:"Checks rpm output for the updated packages");
script_set_attribute(
attribute:"synopsis",
value:
"The remote Scientific Linux host is missing one or more security
updates."
);
script_set_attribute(
attribute:"description",
value:
"This update fixes the following security issues :
- A flaw was found in the way file permission checks for
the '/dev/cpu/[x]/msr' files were performed in
restricted root environments (for example, when using a
capability-based security model). A local user with the
ability to write to these files could use this flaw to
escalate their privileges to kernel level, for example,
by writing to the SYSENTER_EIP_MSR register.
(CVE-2013-0268, Important)
- A race condition was found in the way the Linux kernel's
ptrace implementation handled PTRACE_SETREGS requests
when the debuggee was woken due to a SIGKILL signal
instead of being stopped. A local, unprivileged user
could use this flaw to escalate their privileges.
(CVE-2013-0871, Important)
The system must be rebooted for this update to take effect."
);
# https://listserv.fnal.gov/scripts/wa.exe?A2=ind1303&L=scientific-linux-errata&T=0&P=4000
script_set_attribute(
attribute:"see_also",
value:"http://www.nessus.org/u?e43a5498"
);
script_set_attribute(attribute:"solution", value:"Update the affected packages.");
script_set_cvss_base_vector("CVSS2#AV:L/AC:M/Au:N/C:C/I:C/A:C");
script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
script_set_attribute(attribute:"exploit_framework_canvas", value:"true");
script_set_attribute(attribute:"canvas_package", value:'CANVAS');
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:kernel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:kernel-PAE");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:kernel-PAE-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:kernel-PAE-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:kernel-debug");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:kernel-debug-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:kernel-debug-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:kernel-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:kernel-debuginfo-common");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:kernel-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:kernel-doc");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:kernel-headers");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:kernel-xen");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:kernel-xen-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:kernel-xen-devel");
script_set_attribute(attribute:"cpe", value:"x-cpe:/o:fermilab:scientific_linux");
script_set_attribute(attribute:"vuln_publication_date", value:"2013/02/18");
script_set_attribute(attribute:"patch_publication_date", value:"2013/03/11");
script_set_attribute(attribute:"plugin_publication_date", value:"2013/03/13");
script_set_attribute(attribute:"generated_plugin", value:"current");
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:"Scientific Linux Local Security Checks");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/local_checks_enabled", "Host/cpu", "Host/RedHat/release", "Host/RedHat/rpm-list");
exit(0);
}
include("audit.inc");
include("global_settings.inc");
include("misc_func.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) || "Scientific Linux " >!< release) audit(AUDIT_HOST_NOT, "running Scientific Linux");
os_ver = pregmatch(pattern: "Scientific Linux.*release ([0-9]+(\.[0-9]+)?)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Scientific Linux");
os_ver = os_ver[1];
if (! preg(pattern:"^5([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Scientific Linux 5.x", "Scientific Linux " + os_ver);
if (!get_kb_item("Host/RedHat/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if (cpu >!< "x86_64" && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Scientific Linux", cpu);
flag = 0;
if (rpm_check(release:"SL5", reference:"kernel-2.6.18-348.3.1.el5")) flag++;
if (rpm_check(release:"SL5", cpu:"i386", reference:"kernel-PAE-2.6.18-348.3.1.el5")) flag++;
if (rpm_check(release:"SL5", cpu:"i386", reference:"kernel-PAE-debuginfo-2.6.18-348.3.1.el5")) flag++;
if (rpm_check(release:"SL5", cpu:"i386", reference:"kernel-PAE-devel-2.6.18-348.3.1.el5")) flag++;
if (rpm_check(release:"SL5", reference:"kernel-debug-2.6.18-348.3.1.el5")) flag++;
if (rpm_check(release:"SL5", reference:"kernel-debug-debuginfo-2.6.18-348.3.1.el5")) flag++;
if (rpm_check(release:"SL5", reference:"kernel-debug-devel-2.6.18-348.3.1.el5")) flag++;
if (rpm_check(release:"SL5", reference:"kernel-debuginfo-2.6.18-348.3.1.el5")) flag++;
if (rpm_check(release:"SL5", reference:"kernel-debuginfo-common-2.6.18-348.3.1.el5")) flag++;
if (rpm_check(release:"SL5", reference:"kernel-devel-2.6.18-348.3.1.el5")) flag++;
if (rpm_check(release:"SL5", reference:"kernel-doc-2.6.18-348.3.1.el5")) flag++;
if (rpm_check(release:"SL5", reference:"kernel-headers-2.6.18-348.3.1.el5")) flag++;
if (rpm_check(release:"SL5", reference:"kernel-xen-2.6.18-348.3.1.el5")) flag++;
if (rpm_check(release:"SL5", reference:"kernel-xen-debuginfo-2.6.18-348.3.1.el5")) flag++;
if (rpm_check(release:"SL5", reference:"kernel-xen-devel-2.6.18-348.3.1.el5")) flag++;
if (flag)
{
security_report_v4(
port : 0,
severity : SECURITY_WARNING,
extra : rpm_report_get()
);
exit(0);
}
else
{
tested = pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, "kernel / kernel-PAE / kernel-PAE-debuginfo / kernel-PAE-devel / etc");
}
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