drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Ausführen beliebiger Kommandos in policycoreutils
Name: |
Ausführen beliebiger Kommandos in policycoreutils |
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ID: |
RHSA-2017:0536-01 |
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Distribution: |
Red Hat |
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Plattformen: |
Red Hat Enterprise Linux |
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Datum: |
Mi, 15. März 2017, 22:58 |
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Referenzen: |
https://access.redhat.com/security/cve/CVE-2016-7545 |
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Applikationen: |
policycoreutils |
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Originalnachricht |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1
===================================================================== Red Hat Security Advisory
Synopsis: Important: policycoreutils security update Advisory ID: RHSA-2017:0536-01 Product: Red Hat Enterprise Linux Advisory URL: https://rhn.redhat.com/errata/RHSA-2017-0536.html Issue date: 2017-03-15 CVE Names: CVE-2016-7545 =====================================================================
1. Summary:
An update for policycoreutils is now available for Red Hat Enterprise Linux 7.1 Extended Update Support.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
2. Relevant releases/architectures:
Red Hat Enterprise Linux ComputeNode EUS (v. 7.1) - x86_64 Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.1) - x86_64 Red Hat Enterprise Linux Server EUS (v. 7.1) - ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Server Optional EUS (v. 7.1) - ppc64, ppc64le, s390x, x86_64
3. Description:
The policycoreutils packages contain the core policy utilities required to manage a SELinux environment.
Security Fix(es):
* It was found that the sandbox tool provided in policycoreutils was vulnerable to a TIOCSTI ioctl attack. A specially crafted program executed via the sandbox command could use this flaw to execute arbitrary commands in the context of the parent shell, escaping the sandbox. (CVE-2016-7545)
4. Solution:
For details on how to apply this update, which includes the changes described in this advisory, refer to:
https://access.redhat.com/articles/11258
5. Bugs fixed (https://bugzilla.redhat.com/):
1378577 - CVE-2016-7545 policycoreutils: SELinux sandbox escape via TIOCSTI ioctl
6. Package List:
Red Hat Enterprise Linux ComputeNode EUS (v. 7.1):
Source: policycoreutils-2.2.5-16.el7_1.src.rpm
x86_64: policycoreutils-2.2.5-16.el7_1.x86_64.rpm policycoreutils-debuginfo-2.2.5-16.el7_1.x86_64.rpm policycoreutils-newrole-2.2.5-16.el7_1.x86_64.rpm policycoreutils-python-2.2.5-16.el7_1.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.1):
x86_64: policycoreutils-debuginfo-2.2.5-16.el7_1.i686.rpm policycoreutils-debuginfo-2.2.5-16.el7_1.x86_64.rpm policycoreutils-devel-2.2.5-16.el7_1.i686.rpm policycoreutils-devel-2.2.5-16.el7_1.x86_64.rpm policycoreutils-gui-2.2.5-16.el7_1.x86_64.rpm policycoreutils-restorecond-2.2.5-16.el7_1.x86_64.rpm policycoreutils-sandbox-2.2.5-16.el7_1.x86_64.rpm
Red Hat Enterprise Linux Server EUS (v. 7.1):
Source: policycoreutils-2.2.5-16.el7_1.src.rpm
ppc64: policycoreutils-2.2.5-16.el7_1.ppc64.rpm policycoreutils-debuginfo-2.2.5-16.el7_1.ppc.rpm policycoreutils-debuginfo-2.2.5-16.el7_1.ppc64.rpm policycoreutils-devel-2.2.5-16.el7_1.ppc.rpm policycoreutils-devel-2.2.5-16.el7_1.ppc64.rpm policycoreutils-gui-2.2.5-16.el7_1.ppc64.rpm policycoreutils-newrole-2.2.5-16.el7_1.ppc64.rpm policycoreutils-python-2.2.5-16.el7_1.ppc64.rpm policycoreutils-sandbox-2.2.5-16.el7_1.ppc64.rpm
s390x: policycoreutils-2.2.5-16.el7_1.s390x.rpm policycoreutils-debuginfo-2.2.5-16.el7_1.s390.rpm policycoreutils-debuginfo-2.2.5-16.el7_1.s390x.rpm policycoreutils-devel-2.2.5-16.el7_1.s390.rpm policycoreutils-devel-2.2.5-16.el7_1.s390x.rpm policycoreutils-gui-2.2.5-16.el7_1.s390x.rpm policycoreutils-newrole-2.2.5-16.el7_1.s390x.rpm policycoreutils-python-2.2.5-16.el7_1.s390x.rpm policycoreutils-sandbox-2.2.5-16.el7_1.s390x.rpm
x86_64: policycoreutils-2.2.5-16.el7_1.x86_64.rpm policycoreutils-debuginfo-2.2.5-16.el7_1.i686.rpm policycoreutils-debuginfo-2.2.5-16.el7_1.x86_64.rpm policycoreutils-devel-2.2.5-16.el7_1.i686.rpm policycoreutils-devel-2.2.5-16.el7_1.x86_64.rpm policycoreutils-gui-2.2.5-16.el7_1.x86_64.rpm policycoreutils-newrole-2.2.5-16.el7_1.x86_64.rpm policycoreutils-python-2.2.5-16.el7_1.x86_64.rpm policycoreutils-sandbox-2.2.5-16.el7_1.x86_64.rpm
Red Hat Enterprise Linux Server EUS (v. 7.1):
Source: policycoreutils-2.2.5-16.ael7b_1.src.rpm
ppc64le: policycoreutils-2.2.5-16.ael7b_1.ppc64le.rpm policycoreutils-debuginfo-2.2.5-16.ael7b_1.ppc64le.rpm policycoreutils-devel-2.2.5-16.ael7b_1.ppc64le.rpm policycoreutils-gui-2.2.5-16.ael7b_1.ppc64le.rpm policycoreutils-newrole-2.2.5-16.ael7b_1.ppc64le.rpm policycoreutils-python-2.2.5-16.ael7b_1.ppc64le.rpm policycoreutils-sandbox-2.2.5-16.ael7b_1.ppc64le.rpm
Red Hat Enterprise Linux Server Optional EUS (v. 7.1):
ppc64: policycoreutils-debuginfo-2.2.5-16.el7_1.ppc64.rpm policycoreutils-restorecond-2.2.5-16.el7_1.ppc64.rpm
s390x: policycoreutils-debuginfo-2.2.5-16.el7_1.s390x.rpm policycoreutils-restorecond-2.2.5-16.el7_1.s390x.rpm
x86_64: policycoreutils-debuginfo-2.2.5-16.el7_1.x86_64.rpm policycoreutils-restorecond-2.2.5-16.el7_1.x86_64.rpm
Red Hat Enterprise Linux Server Optional EUS (v. 7.1):
ppc64le: policycoreutils-debuginfo-2.2.5-16.ael7b_1.ppc64le.rpm policycoreutils-restorecond-2.2.5-16.ael7b_1.ppc64le.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/
7. References:
https://access.redhat.com/security/cve/CVE-2016-7545 https://access.redhat.com/security/updates/classification/#important
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/
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