drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Ausführen beliebiger Kommandos in glibc
Name: |
Ausführen beliebiger Kommandos in glibc |
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ID: |
RHSA-2010:0793-01 |
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Distribution: |
Red Hat |
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Plattformen: |
Red Hat Enterprise Linux |
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Datum: |
Mo, 25. Oktober 2010, 23:14 |
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Referenzen: |
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-3856 |
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Applikationen: |
GNU C library |
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Originalnachricht |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1
===================================================================== Red Hat Security Advisory
Synopsis: Important: glibc security update Advisory ID: RHSA-2010:0793-01 Product: Red Hat Enterprise Linux Advisory URL: https://rhn.redhat.com/errata/RHSA-2010-0793.html Issue date: 2010-10-25 CVE Names: CVE-2010-3856 =====================================================================
1. Summary:
Updated glibc packages that fix one security issue are now available for Red Hat Enterprise Linux 5.
The Red Hat Security Response Team has rated this update as having important 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 (v. 5 server) - i386, ia64, ppc, s390x, x86_64 Red Hat Enterprise Linux Desktop (v. 5 client) - i386, x86_64
3. Description:
The glibc packages contain the standard C libraries used by multiple programs on the system. These packages contain the standard C and the standard math libraries. Without these two libraries, a Linux system cannot function properly.
It was discovered that the glibc dynamic linker/loader did not perform sufficient safety checks when loading dynamic shared objects (DSOs) to provide callbacks for its auditing API during the execution of privileged programs. A local attacker could use this flaw to escalate their privileges via a carefully-chosen system DSO library containing unsafe constructors. (CVE-2010-3856)
Red Hat would like to thank Ben Hawkes and Tavis Ormandy for reporting this issue.
All users should upgrade to these updated packages, which contain a backported patch to correct this issue.
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 http://kbase.redhat.com/faq/docs/DOC-11259
5. Bugs fixed (http://bugzilla.redhat.com/):
645672 - CVE-2010-3856 glibc: ld.so arbitrary DSO loading via LD_AUDIT in setuid/setgid programs
6. Package List:
Red Hat Enterprise Linux Desktop (v. 5 client):
Source: glibc-2.5-49.el5_5.7.src.rpm
i386: glibc-2.5-49.el5_5.7.i386.rpm glibc-2.5-49.el5_5.7.i686.rpm glibc-common-2.5-49.el5_5.7.i386.rpm glibc-debuginfo-2.5-49.el5_5.7.i386.rpm glibc-debuginfo-2.5-49.el5_5.7.i686.rpm glibc-debuginfo-common-2.5-49.el5_5.7.i386.rpm glibc-devel-2.5-49.el5_5.7.i386.rpm glibc-headers-2.5-49.el5_5.7.i386.rpm glibc-utils-2.5-49.el5_5.7.i386.rpm nscd-2.5-49.el5_5.7.i386.rpm
x86_64: glibc-2.5-49.el5_5.7.i686.rpm glibc-2.5-49.el5_5.7.x86_64.rpm glibc-common-2.5-49.el5_5.7.x86_64.rpm glibc-debuginfo-2.5-49.el5_5.7.i386.rpm glibc-debuginfo-2.5-49.el5_5.7.i686.rpm glibc-debuginfo-2.5-49.el5_5.7.x86_64.rpm glibc-debuginfo-common-2.5-49.el5_5.7.i386.rpm glibc-devel-2.5-49.el5_5.7.i386.rpm glibc-devel-2.5-49.el5_5.7.x86_64.rpm glibc-headers-2.5-49.el5_5.7.x86_64.rpm glibc-utils-2.5-49.el5_5.7.x86_64.rpm nscd-2.5-49.el5_5.7.x86_64.rpm
Red Hat Enterprise Linux (v. 5 server):
Source: glibc-2.5-49.el5_5.7.src.rpm
i386: glibc-2.5-49.el5_5.7.i386.rpm glibc-2.5-49.el5_5.7.i686.rpm glibc-common-2.5-49.el5_5.7.i386.rpm glibc-debuginfo-2.5-49.el5_5.7.i386.rpm glibc-debuginfo-2.5-49.el5_5.7.i686.rpm glibc-debuginfo-common-2.5-49.el5_5.7.i386.rpm glibc-devel-2.5-49.el5_5.7.i386.rpm glibc-headers-2.5-49.el5_5.7.i386.rpm glibc-utils-2.5-49.el5_5.7.i386.rpm nscd-2.5-49.el5_5.7.i386.rpm
ia64: glibc-2.5-49.el5_5.7.i686.rpm glibc-2.5-49.el5_5.7.ia64.rpm glibc-common-2.5-49.el5_5.7.ia64.rpm glibc-debuginfo-2.5-49.el5_5.7.i686.rpm glibc-debuginfo-2.5-49.el5_5.7.ia64.rpm glibc-debuginfo-common-2.5-49.el5_5.7.i386.rpm glibc-devel-2.5-49.el5_5.7.ia64.rpm glibc-headers-2.5-49.el5_5.7.ia64.rpm glibc-utils-2.5-49.el5_5.7.ia64.rpm nscd-2.5-49.el5_5.7.ia64.rpm
ppc: glibc-2.5-49.el5_5.7.ppc.rpm glibc-2.5-49.el5_5.7.ppc64.rpm glibc-common-2.5-49.el5_5.7.ppc.rpm glibc-debuginfo-2.5-49.el5_5.7.ppc.rpm glibc-debuginfo-2.5-49.el5_5.7.ppc64.rpm glibc-devel-2.5-49.el5_5.7.ppc.rpm glibc-devel-2.5-49.el5_5.7.ppc64.rpm glibc-headers-2.5-49.el5_5.7.ppc.rpm glibc-utils-2.5-49.el5_5.7.ppc.rpm nscd-2.5-49.el5_5.7.ppc.rpm
s390x: glibc-2.5-49.el5_5.7.s390.rpm glibc-2.5-49.el5_5.7.s390x.rpm glibc-common-2.5-49.el5_5.7.s390x.rpm glibc-debuginfo-2.5-49.el5_5.7.s390.rpm glibc-debuginfo-2.5-49.el5_5.7.s390x.rpm glibc-devel-2.5-49.el5_5.7.s390.rpm glibc-devel-2.5-49.el5_5.7.s390x.rpm glibc-headers-2.5-49.el5_5.7.s390x.rpm glibc-utils-2.5-49.el5_5.7.s390x.rpm nscd-2.5-49.el5_5.7.s390x.rpm
x86_64: glibc-2.5-49.el5_5.7.i686.rpm glibc-2.5-49.el5_5.7.x86_64.rpm glibc-common-2.5-49.el5_5.7.x86_64.rpm glibc-debuginfo-2.5-49.el5_5.7.i386.rpm glibc-debuginfo-2.5-49.el5_5.7.i686.rpm glibc-debuginfo-2.5-49.el5_5.7.x86_64.rpm glibc-debuginfo-common-2.5-49.el5_5.7.i386.rpm glibc-devel-2.5-49.el5_5.7.i386.rpm glibc-devel-2.5-49.el5_5.7.x86_64.rpm glibc-headers-2.5-49.el5_5.7.x86_64.rpm glibc-utils-2.5-49.el5_5.7.x86_64.rpm nscd-2.5-49.el5_5.7.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://www.redhat.com/security/team/key/#package
7. References:
https://www.redhat.com/security/data/cve/CVE-2010-3856.html http://www.redhat.com/security/updates/classification/#important
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact details at https://www.redhat.com/security/team/contact/
Copyright 2010 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.4 (GNU/Linux)
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