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Sicherheit: Ausführen beliebiger Kommandos in gnutls
Aktuelle Meldungen Distributionen
Name: Ausführen beliebiger Kommandos in gnutls
ID: RHSA-2014:1846-01
Distribution: Red Hat
Plattformen: Red Hat Enterprise Linux
Datum: Mi, 12. November 2014, 07:29
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-8564
Applikationen: GNU Transport Layer Security Library

Originalnachricht

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=====================================================================
Red Hat Security Advisory

Synopsis: Moderate: gnutls security update
Advisory ID: RHSA-2014:1846-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2014-1846.html
Issue date: 2014-11-12
CVE Names: CVE-2014-8564
=====================================================================

1. Summary:

Updated gnutls 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) - x86_64
Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64
Red Hat Enterprise Linux Server (v. 7) - ppc64, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - x86_64

3. Description:

The GnuTLS library provides support for cryptographic algorithms and for
protocols such as Transport Layer Security (TLS). The gnutls packages also
include the libtasn1 library, which provides Abstract Syntax Notation One
(ASN.1) parsing and structures management, and Distinguished Encoding Rules
(DER) encoding and decoding functions.

An out-of-bounds memory write flaw was found in the way GnuTLS parsed
certain ECC (Elliptic Curve Cryptography) certificates or certificate
signing requests (CSR). A malicious user could create a specially crafted
ECC certificate or a certificate signing request that, when processed by an
application compiled against GnuTLS (for example, certtool), could cause
that application to crash or execute arbitrary code with the permissions of
the user running the application. (CVE-2014-8564)

Red Hat would like to thank GnuTLS upstream for reporting this issue.
Upstream acknowledges Sean Burford as the original reporter.

All gnutls users are advised to upgrade to these updated packages, which
contain a backported patch to correct this issue. For the update to take
effect, all applications linked to the GnuTLS or libtasn1 library must
be restarted.

4. Solution:

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

This update is available via the Red Hat Network. Details on how to use the
Red Hat Network to apply this update are available at
https://access.redhat.com/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

1161443 - CVE-2014-8564 gnutls: Heap corruption when generating key ID for ECC
(GNUTLS-SA-2014-5)

6. Package List:

Red Hat Enterprise Linux Client (v. 7):

Source:
gnutls-3.1.18-10.el7_0.src.rpm

x86_64:
gnutls-3.1.18-10.el7_0.i686.rpm
gnutls-3.1.18-10.el7_0.x86_64.rpm
gnutls-dane-3.1.18-10.el7_0.i686.rpm
gnutls-dane-3.1.18-10.el7_0.x86_64.rpm
gnutls-debuginfo-3.1.18-10.el7_0.i686.rpm
gnutls-debuginfo-3.1.18-10.el7_0.x86_64.rpm
gnutls-utils-3.1.18-10.el7_0.x86_64.rpm

Red Hat Enterprise Linux Client Optional (v. 7):

x86_64:
gnutls-c++-3.1.18-10.el7_0.i686.rpm
gnutls-c++-3.1.18-10.el7_0.x86_64.rpm
gnutls-debuginfo-3.1.18-10.el7_0.i686.rpm
gnutls-debuginfo-3.1.18-10.el7_0.x86_64.rpm
gnutls-devel-3.1.18-10.el7_0.i686.rpm
gnutls-devel-3.1.18-10.el7_0.x86_64.rpm

Red Hat Enterprise Linux ComputeNode (v. 7):

Source:
gnutls-3.1.18-10.el7_0.src.rpm

x86_64:
gnutls-3.1.18-10.el7_0.i686.rpm
gnutls-3.1.18-10.el7_0.x86_64.rpm
gnutls-dane-3.1.18-10.el7_0.i686.rpm
gnutls-dane-3.1.18-10.el7_0.x86_64.rpm
gnutls-debuginfo-3.1.18-10.el7_0.i686.rpm
gnutls-debuginfo-3.1.18-10.el7_0.x86_64.rpm
gnutls-utils-3.1.18-10.el7_0.x86_64.rpm

Red Hat Enterprise Linux ComputeNode Optional (v. 7):

x86_64:
gnutls-c++-3.1.18-10.el7_0.i686.rpm
gnutls-c++-3.1.18-10.el7_0.x86_64.rpm
gnutls-debuginfo-3.1.18-10.el7_0.i686.rpm
gnutls-debuginfo-3.1.18-10.el7_0.x86_64.rpm
gnutls-devel-3.1.18-10.el7_0.i686.rpm
gnutls-devel-3.1.18-10.el7_0.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
gnutls-3.1.18-10.el7_0.src.rpm

ppc64:
gnutls-3.1.18-10.el7_0.ppc.rpm
gnutls-3.1.18-10.el7_0.ppc64.rpm
gnutls-c++-3.1.18-10.el7_0.ppc.rpm
gnutls-c++-3.1.18-10.el7_0.ppc64.rpm
gnutls-dane-3.1.18-10.el7_0.ppc.rpm
gnutls-dane-3.1.18-10.el7_0.ppc64.rpm
gnutls-debuginfo-3.1.18-10.el7_0.ppc.rpm
gnutls-debuginfo-3.1.18-10.el7_0.ppc64.rpm
gnutls-devel-3.1.18-10.el7_0.ppc.rpm
gnutls-devel-3.1.18-10.el7_0.ppc64.rpm
gnutls-utils-3.1.18-10.el7_0.ppc64.rpm

s390x:
gnutls-3.1.18-10.el7_0.s390.rpm
gnutls-3.1.18-10.el7_0.s390x.rpm
gnutls-c++-3.1.18-10.el7_0.s390.rpm
gnutls-c++-3.1.18-10.el7_0.s390x.rpm
gnutls-dane-3.1.18-10.el7_0.s390.rpm
gnutls-dane-3.1.18-10.el7_0.s390x.rpm
gnutls-debuginfo-3.1.18-10.el7_0.s390.rpm
gnutls-debuginfo-3.1.18-10.el7_0.s390x.rpm
gnutls-devel-3.1.18-10.el7_0.s390.rpm
gnutls-devel-3.1.18-10.el7_0.s390x.rpm
gnutls-utils-3.1.18-10.el7_0.s390x.rpm

x86_64:
gnutls-3.1.18-10.el7_0.i686.rpm
gnutls-3.1.18-10.el7_0.x86_64.rpm
gnutls-c++-3.1.18-10.el7_0.i686.rpm
gnutls-c++-3.1.18-10.el7_0.x86_64.rpm
gnutls-dane-3.1.18-10.el7_0.i686.rpm
gnutls-dane-3.1.18-10.el7_0.x86_64.rpm
gnutls-debuginfo-3.1.18-10.el7_0.i686.rpm
gnutls-debuginfo-3.1.18-10.el7_0.x86_64.rpm
gnutls-devel-3.1.18-10.el7_0.i686.rpm
gnutls-devel-3.1.18-10.el7_0.x86_64.rpm
gnutls-utils-3.1.18-10.el7_0.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
gnutls-3.1.18-10.el7_0.src.rpm

x86_64:
gnutls-3.1.18-10.el7_0.i686.rpm
gnutls-3.1.18-10.el7_0.x86_64.rpm
gnutls-c++-3.1.18-10.el7_0.i686.rpm
gnutls-c++-3.1.18-10.el7_0.x86_64.rpm
gnutls-dane-3.1.18-10.el7_0.i686.rpm
gnutls-dane-3.1.18-10.el7_0.x86_64.rpm
gnutls-debuginfo-3.1.18-10.el7_0.i686.rpm
gnutls-debuginfo-3.1.18-10.el7_0.x86_64.rpm
gnutls-devel-3.1.18-10.el7_0.i686.rpm
gnutls-devel-3.1.18-10.el7_0.x86_64.rpm
gnutls-utils-3.1.18-10.el7_0.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-2014-8564
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 2014 Red Hat, Inc.
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