Erzeugung schwacher Schlüssel in PyCrypto
ID: | 201206-23 |
Distribution: | Gentoo |
Plattformen: | Keine Angabe |
Datum: | So, 24. Juni 2012, 21:08 |
Referenzen: | http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-2417 |
Applikationen: | PyCrypto |
Originalnachricht |
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This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig7644E4D212D692957ED20FA9 Content-Type: text/plain; charset=ISO-8859- Content-Transfer-Encoding: quoted-printable - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 201206-23 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - http://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: PyCrypto: Weak key generation Date: June 24, 2012 Bugs: #417625 ID: 201206-23 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== PyCrypto generates weak ElGamal keys. Background ========== PyCrypto is the Python Cryptography Toolkit. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 dev-python/pycrypto < 2.6 >= 2.6 Description =========== An error in the generate() function in ElGamal.py causes PyCrypto to generate weak ElGamal keys. Impact ====== A remote attacker might be able to derive private keys. Workaround ========== There is no known workaround at this time. Resolution ========== All PyCrypto users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=dev-python/pycrypto-2.6" References ========== [ 1 ] CVE-2012-2417 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2417 Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201206-23.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 --------------enig7644E4D212D692957ED20FA9 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/ iF4EAREIAAYFAk/nEosACgkQAnl3SfnYR/i2iQD/faJywLFWuuat0ETTOfVS/w42 Ym1HRo3DesiQL3qW1CIA/idCC0UuvafsIb1EaSArvk5Ereryav5vabAaXfT3Zx+t =VjwA -----END PGP SIGNATURE----- --------------enig7644E4D212D692957ED20FA9-- |