drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Zahlenüberlauf in rt2400, rt2500, rt2570, rt61, ralink-rt61
Name: |
Zahlenüberlauf in rt2400, rt2500, rt2570, rt61, ralink-rt61 |
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ID: |
200907-08 |
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Distribution: |
Gentoo |
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Plattformen: |
Keine Angabe |
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Datum: |
So, 12. Juli 2009, 20:06 |
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Referenzen: |
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0282 |
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Applikationen: |
ralink-rt61, rt2400, rt2500, rt2570, rt61 |
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Originalnachricht |
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- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 200907-08 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - http://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Severity: High Title: Multiple Ralink wireless drivers: Execution of arbitrary code Date: July 12, 2009 Bugs: #257023 ID: 200907-08
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Synopsis ========
An integer overflow in multiple Ralink wireless drivers might lead to the execution of arbitrary code with elevated privileges.
Background ==========
All listed packages are external kernel modules that provide drivers for multiple Ralink devices. ralink-rt61 is released by ralinktech.com, the other packages by the rt2x00.serialmonkey.com project.
Affected packages =================
------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 rt2400 <= 1.2.2_beta3 Vulnerable! 2 rt2500 <= 1.1.0_pre2007071515 Vulnerable! 3 rt2570 <= 20070209 Vulnerable! 4 rt61 <= 1.1.0_beta2 Vulnerable! 5 ralink-rt61 <= 1.1.1.0 Vulnerable! ------------------------------------------------------------------- NOTE: Certain packages are still vulnerable. Users should migrate to another package if one is available or wait for the existing packages to be marked stable by their architecture maintainers. ------------------------------------------------------------------- 5 affected packages on all of their supported architectures. -------------------------------------------------------------------
Description ===========
Aviv reported an integer overflow in multiple Ralink wireless card drivers when processing a probe request packet with a long SSID, possibly related to an integer signedness error.
Impact ======
A physically proximate attacker could send specially crafted packets to a user who has wireless networking enabled, possibly resulting in the execution of arbitrary code with root privileges.
Workaround ==========
Unload the kernel modules.
Resolution ==========
All external kernel modules have been masked and we recommend that users unmerge those drivers. The Linux mainline kernel has equivalent support for these devices and the vulnerability has been resolved in stable versions of sys-kernel/gentoo-sources.
# emerge --unmerge "net-wireless/rt2400" # emerge --unmerge "net-wireless/rt2500" # emerge --unmerge "net-wireless/rt2570" # emerge --unmerge "net-wireless/rt61" # emerge --unmerge "net-wireless/ralink-rt61"
References ==========
[ 1 ] CVE-2009-0282 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0282
Availability ============
This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200907-08.xml
Concerns? =========
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at http://bugs.gentoo.org.
License =======
Copyright 2009 Gentoo Foundation, Inc; referenced text belongs to its owner(s).
The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license.
http://creativecommons.org/licenses/by-sa/2.5
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