drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Ausführen beliebiger Kommandos in Heimdal
Name: |
Ausführen beliebiger Kommandos in Heimdal |
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ID: |
201202-05 |
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Distribution: |
Gentoo |
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Plattformen: |
Keine Angabe |
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Datum: |
Do, 23. Februar 2012, 10:50 |
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Referenzen: |
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-4862 |
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Applikationen: |
Heimdal |
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Originalnachricht |
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- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 201202-05 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - http://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Severity: High Title: Heimdal: Arbitrary code execution Date: February 22, 2012 Bugs: #396105 ID: 201202-05
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Synopsis ========
A boundary error in Heimdal could result in execution of arbitrary code.
Background ==========
Heimdal is a free implementation of Kerberos 5.
Affected packages =================
------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 app-crypt/heimdal < 1.5.1-r1 >= 1.5.1-r1
Description ===========
A boundary error in the "encrypt_keyid()" function in appl/telnet/libtelnet/encrypt.c of the telnet daemon and client could cause a buffer overflow.
Impact ======
An unauthenticated remote attacker may be able to execute arbitrary code with the privileges of the user running the telnet daemon or client, or cause Denial of Service.
Workaround ==========
There is no known workaround at this time.
Resolution ==========
All Heimdal users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=app-crypt/heimdal-1.5.1-r1"
References ==========
[ 1 ] CVE-2011-4862 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-4862
Availability ============
This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-201202-05.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 https://bugs.gentoo.org.
License =======
Copyright 2012 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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