drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Denial of Service in policykit
Name: |
Denial of Service in policykit |
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ID: |
RHSA-2016:0189-01 |
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Distribution: |
Red Hat |
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Plattformen: |
Red Hat Enterprise Linux |
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Datum: |
Di, 16. Februar 2016, 18:46 |
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Referenzen: |
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-3256 |
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Applikationen: |
policykit |
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Originalnachricht |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1
===================================================================== Red Hat Security Advisory
Synopsis: Moderate: polkit security update Advisory ID: RHSA-2016:0189-01 Product: Red Hat Enterprise Linux Advisory URL: https://rhn.redhat.com/errata/RHSA-2016-0189.html Issue date: 2016-02-16 CVE Names: CVE-2015-3256 =====================================================================
1. Summary:
Updated polkit packages that fix one security issue are now available for Red Hat Enterprise Linux 7.
Red Hat Product Security has rated this update as having Moderate security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section.
2. Relevant releases/architectures:
Red Hat Enterprise Linux Client (v. 7) - x86_64 Red Hat Enterprise Linux Client Optional (v. 7) - noarch, x86_64 Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64 Red Hat Enterprise Linux ComputeNode Optional (v. 7) - noarch, x86_64 Red Hat Enterprise Linux Server (v. 7) - noarch, ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Workstation (v. 7) - noarch, x86_64
3. Description:
PolicyKit is a toolkit for defining and handling authorizations.
A denial of service flaw was found in how polkit handled authorization requests. A local, unprivileged user could send malicious requests to polkit, which could then cause the polkit daemon to corrupt its memory and crash. (CVE-2015-3256)
All polkit users should upgrade to these updated packages, which contain a backported patch to correct this issue. The system must be rebooted for this update to take effect.
4. Solution:
Before applying this update, make sure all previously released errata relevant to your system have been applied.
For details on how to apply this update, refer to:
https://access.redhat.com/articles/11258
5. Bugs fixed (https://bugzilla.redhat.com/):
1245684 - CVE-2015-3256 polkit: Memory corruption via javascript rule evaluation
6. Package List:
Red Hat Enterprise Linux Client (v. 7):
Source: polkit-0.112-6.el7_2.src.rpm
x86_64: polkit-0.112-6.el7_2.i686.rpm polkit-0.112-6.el7_2.x86_64.rpm polkit-debuginfo-0.112-6.el7_2.i686.rpm polkit-debuginfo-0.112-6.el7_2.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
noarch: polkit-docs-0.112-6.el7_2.noarch.rpm
x86_64: polkit-debuginfo-0.112-6.el7_2.i686.rpm polkit-debuginfo-0.112-6.el7_2.x86_64.rpm polkit-devel-0.112-6.el7_2.i686.rpm polkit-devel-0.112-6.el7_2.x86_64.rpm
Red Hat Enterprise Linux ComputeNode (v. 7):
Source: polkit-0.112-6.el7_2.src.rpm
x86_64: polkit-0.112-6.el7_2.i686.rpm polkit-0.112-6.el7_2.x86_64.rpm polkit-debuginfo-0.112-6.el7_2.i686.rpm polkit-debuginfo-0.112-6.el7_2.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional (v. 7):
noarch: polkit-docs-0.112-6.el7_2.noarch.rpm
x86_64: polkit-debuginfo-0.112-6.el7_2.i686.rpm polkit-debuginfo-0.112-6.el7_2.x86_64.rpm polkit-devel-0.112-6.el7_2.i686.rpm polkit-devel-0.112-6.el7_2.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source: polkit-0.112-6.el7_2.src.rpm
noarch: polkit-docs-0.112-6.el7_2.noarch.rpm
ppc64: polkit-0.112-6.el7_2.ppc.rpm polkit-0.112-6.el7_2.ppc64.rpm polkit-debuginfo-0.112-6.el7_2.ppc.rpm polkit-debuginfo-0.112-6.el7_2.ppc64.rpm polkit-devel-0.112-6.el7_2.ppc.rpm polkit-devel-0.112-6.el7_2.ppc64.rpm
ppc64le: polkit-0.112-6.el7_2.ppc64le.rpm polkit-debuginfo-0.112-6.el7_2.ppc64le.rpm polkit-devel-0.112-6.el7_2.ppc64le.rpm
s390x: polkit-0.112-6.el7_2.s390.rpm polkit-0.112-6.el7_2.s390x.rpm polkit-debuginfo-0.112-6.el7_2.s390.rpm polkit-debuginfo-0.112-6.el7_2.s390x.rpm polkit-devel-0.112-6.el7_2.s390.rpm polkit-devel-0.112-6.el7_2.s390x.rpm
x86_64: polkit-0.112-6.el7_2.i686.rpm polkit-0.112-6.el7_2.x86_64.rpm polkit-debuginfo-0.112-6.el7_2.i686.rpm polkit-debuginfo-0.112-6.el7_2.x86_64.rpm polkit-devel-0.112-6.el7_2.i686.rpm polkit-devel-0.112-6.el7_2.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source: polkit-0.112-6.el7_2.src.rpm
noarch: polkit-docs-0.112-6.el7_2.noarch.rpm
x86_64: polkit-0.112-6.el7_2.i686.rpm polkit-0.112-6.el7_2.x86_64.rpm polkit-debuginfo-0.112-6.el7_2.i686.rpm polkit-debuginfo-0.112-6.el7_2.x86_64.rpm polkit-devel-0.112-6.el7_2.i686.rpm polkit-devel-0.112-6.el7_2.x86_64.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-2015-3256 https://access.redhat.com/security/updates/classification/#moderate
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/
Copyright 2016 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1
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