Ausführen beliebiger Kommandos in Heimdal
ID: | 201202-05 |
Distribution: | Gentoo |
Plattformen: | Keine Angabe |
Datum: | Do, 23. Februar 2012, 10:50 |
Referenzen: | http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-4862 |
Applikationen: | Heimdal |
Originalnachricht |
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This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enigC4E07CABA0BE1358785C015D Content-Type: text/plain; charset=ISO-8859- Content-Transfer-Encoding: quoted-printable - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 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 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 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 --------------enigC4E07CABA0BE1358785C015D Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.17 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iF4EAREIAAYFAk9FTwsACgkQAnl3SfnYR/jyugD/emovMtRnRm8DCNiMrGTUCDxc Bph7mLibWSLU7TUDce0A/3K4BzlPAE/QRj++vRoeShtTv92gnu6UZEdit9Vy1ZpO =CGx8 -----END PGP SIGNATURE----- --------------enigC4E07CABA0BE1358785C015D-- |