Vulnerabilities > CVE-2013-2188 - Permissions, Privileges, and Access Controls vulnerability in Redhat Enterprise Linux 6.0

047910
CVSS 4.7 - MEDIUM
Attack vector
LOCAL
Attack complexity
MEDIUM
Privileges required
NONE
Confidentiality impact
NONE
Integrity impact
NONE
Availability impact
COMPLETE
local
redhat
CWE-264
nessus

Summary

A certain Red Hat patch to the do_filp_open function in fs/namei.c in the kernel package before 2.6.32-358.11.1.el6 on Red Hat Enterprise Linux (RHEL) 6 does not properly handle failure to obtain write permissions, which allows local users to cause a denial of service (system crash) by leveraging access to a filesystem that is mounted read-only.

Vulnerable Configurations

Part Description Count
OS
Redhat
1

Common Attack Pattern Enumeration and Classification (CAPEC)

  • Accessing, Modifying or Executing Executable Files
    An attack of this type exploits a system's configuration that allows an attacker to either directly access an executable file, for example through shell access; or in a possible worst case allows an attacker to upload a file and then execute it. Web servers, ftp servers, and message oriented middleware systems which have many integration points are particularly vulnerable, because both the programmers and the administrators must be in synch regarding the interfaces and the correct privileges for each interface.
  • Leverage Executable Code in Non-Executable Files
    An attack of this type exploits a system's trust in configuration and resource files, when the executable loads the resource (such as an image file or configuration file) the attacker has modified the file to either execute malicious code directly or manipulate the target process (e.g. application server) to execute based on the malicious configuration parameters. Since systems are increasingly interrelated mashing up resources from local and remote sources the possibility of this attack occurring is high. The attack can be directed at a client system, such as causing buffer overrun through loading seemingly benign image files, as in Microsoft Security Bulletin MS04-028 where specially crafted JPEG files could cause a buffer overrun once loaded into the browser. Another example targets clients reading pdf files. In this case the attacker simply appends javascript to the end of a legitimate url for a pdf (http://www.gnucitizen.org/blog/danger-danger-danger/) http://path/to/pdf/file.pdf#whatever_name_you_want=javascript:your_code_here The client assumes that they are reading a pdf, but the attacker has modified the resource and loaded executable javascript into the client's browser process. The attack can also target server processes. The attacker edits the resource or configuration file, for example a web.xml file used to configure security permissions for a J2EE app server, adding role name "public" grants all users with the public role the ability to use the administration functionality. The server trusts its configuration file to be correct, but when they are manipulated, the attacker gains full control.
  • Blue Boxing
    This type of attack against older telephone switches and trunks has been around for decades. A tone is sent by an adversary to impersonate a supervisor signal which has the effect of rerouting or usurping command of the line. While the US infrastructure proper may not contain widespread vulnerabilities to this type of attack, many companies are connected globally through call centers and business process outsourcing. These international systems may be operated in countries which have not upgraded Telco infrastructure and so are vulnerable to Blue boxing. Blue boxing is a result of failure on the part of the system to enforce strong authorization for administrative functions. While the infrastructure is different than standard current applications like web applications, there are historical lessons to be learned to upgrade the access control for administrative functions.
  • Restful Privilege Elevation
    Rest uses standard HTTP (Get, Put, Delete) style permissions methods, but these are not necessarily correlated generally with back end programs. Strict interpretation of HTTP get methods means that these HTTP Get services should not be used to delete information on the server, but there is no access control mechanism to back up this logic. This means that unless the services are properly ACL'd and the application's service implementation are following these guidelines then an HTTP request can easily execute a delete or update on the server side. The attacker identifies a HTTP Get URL such as http://victimsite/updateOrder, which calls out to a program to update orders on a database or other resource. The URL is not idempotent so the request can be submitted multiple times by the attacker, additionally, the attacker may be able to exploit the URL published as a Get method that actually performs updates (instead of merely retrieving data). This may result in malicious or inadvertent altering of data on the server.
  • Target Programs with Elevated Privileges
    This attack targets programs running with elevated privileges. The attacker would try to leverage a bug in the running program and get arbitrary code to execute with elevated privileges. For instance an attacker would look for programs that write to the system directories or registry keys (such as HKLM, which stores a number of critical Windows environment variables). These programs are typically running with elevated privileges and have usually not been designed with security in mind. Such programs are excellent exploit targets because they yield lots of power when they break. The malicious user try to execute its code at the same level as a privileged system call.

Nessus

  • NASL familyCentOS Local Security Checks
    NASL idCENTOS_RHSA-2013-0911.NASL
    descriptionUpdated kernel packages that fix three security issues, several bugs, and add one enhancement are now available for Red Hat Enterprise Linux 6. The Red Hat Security Response Team has rated this update as having important security impact. Common Vulnerability Scoring System (CVSS) base scores, which give detailed severity ratings, are available for each vulnerability from the CVE links in the References section. The kernel packages contain the Linux kernel, the core of any Linux operating system. This update fixes the following security issues : * A flaw was found in the way KVM (Kernel-based Virtual Machine) initialized a guest
    last seen2020-06-01
    modified2020-06-02
    plugin id66887
    published2013-06-14
    reporterThis script is Copyright (C) 2013-2020 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/66887
    titleCentOS 6 : kernel (CESA-2013:0911)
  • NASL familyOracle Linux Local Security Checks
    NASL idORACLELINUX_ELSA-2013-0911.NASL
    descriptionFrom Red Hat Security Advisory 2013:0911 : Updated kernel packages that fix three security issues, several bugs, and add one enhancement are now available for Red Hat Enterprise Linux 6. The Red Hat Security Response Team has rated this update as having important security impact. Common Vulnerability Scoring System (CVSS) base scores, which give detailed severity ratings, are available for each vulnerability from the CVE links in the References section. The kernel packages contain the Linux kernel, the core of any Linux operating system. This update fixes the following security issues : * A flaw was found in the way KVM (Kernel-based Virtual Machine) initialized a guest
    last seen2020-06-01
    modified2020-06-02
    plugin id68834
    published2013-07-12
    reporterThis script is Copyright (C) 2013-2019 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/68834
    titleOracle Linux 6 : kernel (ELSA-2013-0911)
  • NASL familyRed Hat Local Security Checks
    NASL idREDHAT-RHSA-2013-0911.NASL
    descriptionUpdated kernel packages that fix three security issues, several bugs, and add one enhancement are now available for Red Hat Enterprise Linux 6. The Red Hat Security Response Team has rated this update as having important security impact. Common Vulnerability Scoring System (CVSS) base scores, which give detailed severity ratings, are available for each vulnerability from the CVE links in the References section. The kernel packages contain the Linux kernel, the core of any Linux operating system. This update fixes the following security issues : * A flaw was found in the way KVM (Kernel-based Virtual Machine) initialized a guest
    last seen2020-06-01
    modified2020-06-02
    plugin id66853
    published2013-06-11
    reporterThis script is Copyright (C) 2013-2019 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/66853
    titleRHEL 6 : kernel (RHSA-2013:0911)

Redhat

advisories
bugzilla
id957705
titleCVE-2013-2017 kernel: veth: double-free flaw in case of congestion
oval
OR
  • commentRed Hat Enterprise Linux must be installed
    ovaloval:com.redhat.rhba:tst:20070304026
  • AND
    • commentRed Hat Enterprise Linux 6 is installed
      ovaloval:com.redhat.rhba:tst:20111656003
    • OR
      • commentkernel earlier than 0:2.6.32-358.11.1.el6 is currently running
        ovaloval:com.redhat.rhsa:tst:20130911025
      • commentkernel earlier than 0:2.6.32-358.11.1.el6 is set to boot up on next boot
        ovaloval:com.redhat.rhsa:tst:20130911026
    • OR
      • AND
        • commentkernel-debug is earlier than 0:2.6.32-358.11.1.el6
          ovaloval:com.redhat.rhsa:tst:20130911001
        • commentkernel-debug is signed with Red Hat redhatrelease2 key
          ovaloval:com.redhat.rhsa:tst:20100842014
      • AND
        • commentkernel-debug-devel is earlier than 0:2.6.32-358.11.1.el6
          ovaloval:com.redhat.rhsa:tst:20130911003
        • commentkernel-debug-devel is signed with Red Hat redhatrelease2 key
          ovaloval:com.redhat.rhsa:tst:20100842008
      • AND
        • commentperf is earlier than 0:2.6.32-358.11.1.el6
          ovaloval:com.redhat.rhsa:tst:20130911005
        • commentperf is signed with Red Hat redhatrelease2 key
          ovaloval:com.redhat.rhsa:tst:20100842006
      • AND
        • commentkernel is earlier than 0:2.6.32-358.11.1.el6
          ovaloval:com.redhat.rhsa:tst:20130911007
        • commentkernel is signed with Red Hat redhatrelease2 key
          ovaloval:com.redhat.rhsa:tst:20100842012
      • AND
        • commentkernel-firmware is earlier than 0:2.6.32-358.11.1.el6
          ovaloval:com.redhat.rhsa:tst:20130911009
        • commentkernel-firmware is signed with Red Hat redhatrelease2 key
          ovaloval:com.redhat.rhsa:tst:20100842004
      • AND
        • commentkernel-doc is earlier than 0:2.6.32-358.11.1.el6
          ovaloval:com.redhat.rhsa:tst:20130911011
        • commentkernel-doc is signed with Red Hat redhatrelease2 key
          ovaloval:com.redhat.rhsa:tst:20100842002
      • AND
        • commentkernel-devel is earlier than 0:2.6.32-358.11.1.el6
          ovaloval:com.redhat.rhsa:tst:20130911013
        • commentkernel-devel is signed with Red Hat redhatrelease2 key
          ovaloval:com.redhat.rhsa:tst:20100842016
      • AND
        • commentkernel-headers is earlier than 0:2.6.32-358.11.1.el6
          ovaloval:com.redhat.rhsa:tst:20130911015
        • commentkernel-headers is signed with Red Hat redhatrelease2 key
          ovaloval:com.redhat.rhsa:tst:20100842010
      • AND
        • commentkernel-bootwrapper is earlier than 0:2.6.32-358.11.1.el6
          ovaloval:com.redhat.rhsa:tst:20130911017
        • commentkernel-bootwrapper is signed with Red Hat redhatrelease2 key
          ovaloval:com.redhat.rhsa:tst:20100842018
      • AND
        • commentkernel-kdump-devel is earlier than 0:2.6.32-358.11.1.el6
          ovaloval:com.redhat.rhsa:tst:20130911019
        • commentkernel-kdump-devel is signed with Red Hat redhatrelease2 key
          ovaloval:com.redhat.rhsa:tst:20100842022
      • AND
        • commentkernel-kdump is earlier than 0:2.6.32-358.11.1.el6
          ovaloval:com.redhat.rhsa:tst:20130911021
        • commentkernel-kdump is signed with Red Hat redhatrelease2 key
          ovaloval:com.redhat.rhsa:tst:20100842020
      • AND
        • commentpython-perf is earlier than 0:2.6.32-358.11.1.el6
          ovaloval:com.redhat.rhsa:tst:20130911023
        • commentpython-perf is signed with Red Hat redhatrelease2 key
          ovaloval:com.redhat.rhsa:tst:20111530024
rhsa
idRHSA-2013:0911
released2013-06-10
severityImportant
titleRHSA-2013:0911: kernel security, bug fix, and enhancement update (Important)
rpms
  • kernel-0:2.6.32-358.11.1.el6
  • kernel-bootwrapper-0:2.6.32-358.11.1.el6
  • kernel-debug-0:2.6.32-358.11.1.el6
  • kernel-debug-debuginfo-0:2.6.32-358.11.1.el6
  • kernel-debug-devel-0:2.6.32-358.11.1.el6
  • kernel-debuginfo-0:2.6.32-358.11.1.el6
  • kernel-debuginfo-common-i686-0:2.6.32-358.11.1.el6
  • kernel-debuginfo-common-ppc64-0:2.6.32-358.11.1.el6
  • kernel-debuginfo-common-s390x-0:2.6.32-358.11.1.el6
  • kernel-debuginfo-common-x86_64-0:2.6.32-358.11.1.el6
  • kernel-devel-0:2.6.32-358.11.1.el6
  • kernel-doc-0:2.6.32-358.11.1.el6
  • kernel-firmware-0:2.6.32-358.11.1.el6
  • kernel-headers-0:2.6.32-358.11.1.el6
  • kernel-kdump-0:2.6.32-358.11.1.el6
  • kernel-kdump-debuginfo-0:2.6.32-358.11.1.el6
  • kernel-kdump-devel-0:2.6.32-358.11.1.el6
  • perf-0:2.6.32-358.11.1.el6
  • perf-debuginfo-0:2.6.32-358.11.1.el6
  • python-perf-0:2.6.32-358.11.1.el6
  • python-perf-debuginfo-0:2.6.32-358.11.1.el6