drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Verwendung zu schwacher Zufallszahlen in PowerDNS Recursor
Name: |
Verwendung zu schwacher Zufallszahlen in PowerDNS Recursor |
|
ID: |
200804-22 |
|
Distribution: |
Gentoo |
|
Plattformen: |
Keine Angabe |
|
Datum: |
Fr, 18. April 2008, 16:42 |
|
Referenzen: |
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1637 |
|
Applikationen: |
PowerDNS Recursor |
|
Originalnachricht |
--nextPart37772602.7CZihF0K94 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Content-Disposition: inline
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 200804-22 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - http://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Severity: Normal Title: PowerDNS Recursor: DNS Cache Poisoning Date: April 18, 2008 Bugs: #215567 ID: 200804-22
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Synopsis ========
Use of insufficient randomness in PowerDNS Recursor might lead to DNS cache poisoning.
Background ==========
The PowerDNS Recursor is an advanced recursing nameserver.
Affected packages =================
------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-dns/pdns-recursor < 3.1.5 >= 3.1.5
Description ===========
Amit Klein of Trusteer reported that insufficient randomness is used to calculate the TRXID values and the UDP source port numbers.
Impact ======
A remote attacker could send malicious answers to insert arbitrary DNS data into the cache. These attacks would in turn help an attacker to perform man-in-the-middle and site impersonation attacks.
Workaround ==========
There is no known workaround at this time.
Resolution ==========
All PowerDNS Recursor users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=net-dns/pdns-recursor-3.1.5"
References ==========
[ 1 ] CVE-2008-1637 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1637
Availability ============
This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200804-22.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 2008 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
--nextPart37772602.7CZihF0K94 Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part.
-----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.7 (GNU/Linux)
iD8DBQBICK9KyZx3L/ph1soRAgdBAKCMMk1P4X+m2NPGFczmxNA6jcJ3nQCg37du Lpo7CRZYX5GBim/nr/SR6/k= =+e6r -----END PGP SIGNATURE-----
--nextPart37772602.7CZihF0K94-- -- gentoo-announce@lists.gentoo.org mailing list
|
|
|
|