drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Fehlerhafte Zugriffsrechte in acpid
Name: |
Fehlerhafte Zugriffsrechte in acpid |
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ID: |
RHSA-2009:1642-02 |
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Distribution: |
Red Hat |
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Plattformen: |
Red Hat Enterprise Linux |
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Datum: |
Mo, 7. Dezember 2009, 20:33 |
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Referenzen: |
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-4033 |
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Applikationen: |
ACPI Event Daemon |
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Originalnachricht |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1
===================================================================== Red Hat Security Advisory
Synopsis: Important: acpid security update Advisory ID: RHSA-2009:1642-02 Product: Red Hat Enterprise Linux Advisory URL: https://rhn.redhat.com/errata/RHSA-2009-1642.html Issue date: 2009-12-07 CVE Names: CVE-2009-4033 =====================================================================
1. Summary:
An updated acpid package that fixes one security issue is now available for Red Hat Enterprise Linux 5.
This update has been rated as having important security impact by the Red Hat Security Response Team.
2. Relevant releases/architectures:
Red Hat Enterprise Linux (v. 5 server) - i386, ia64, x86_64 Red Hat Enterprise Linux Desktop (v. 5 client) - i386, x86_64
3. Description:
acpid is a daemon that dispatches ACPI (Advanced Configuration and Power Interface) events to user-space programs.
It was discovered that acpid could create its log file ("/var/log/acpid") with random permissions on some systems. A local attacker could use this flaw to escalate their privileges if the log file was created as world-writable and with the setuid or setgid bit set. (CVE-2009-4033)
Please note that this flaw was due to a Red Hat-specific patch (acpid-1.0.4-fd.patch) included in the Red Hat Enterprise Linux 5 acpid package.
Users are advised to upgrade to this updated package, which contains a backported patch to correct this issue.
4. Solution:
Before applying this update, make sure that all previously-released errata relevant to your system have been applied.
This update is available via 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/):
515062 - /var/log/acpid has improper permissions 542926 - CVE-2009-4033 acpid: log file created with random permissions
6. Package List:
Red Hat Enterprise Linux Desktop (v. 5 client):
Source: acpid-1.0.4-9.el5_4.1.src.rpm
i386: acpid-1.0.4-9.el5_4.1.i386.rpm acpid-debuginfo-1.0.4-9.el5_4.1.i386.rpm
x86_64: acpid-1.0.4-9.el5_4.1.x86_64.rpm acpid-debuginfo-1.0.4-9.el5_4.1.x86_64.rpm
Red Hat Enterprise Linux (v. 5 server):
Source: acpid-1.0.4-9.el5_4.1.src.rpm
i386: acpid-1.0.4-9.el5_4.1.i386.rpm acpid-debuginfo-1.0.4-9.el5_4.1.i386.rpm
ia64: acpid-1.0.4-9.el5_4.1.ia64.rpm acpid-debuginfo-1.0.4-9.el5_4.1.ia64.rpm
x86_64: acpid-1.0.4-9.el5_4.1.x86_64.rpm acpid-debuginfo-1.0.4-9.el5_4.1.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:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-4033 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 2009 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.4 (GNU/Linux)
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