Denial of Service in Keepalived
ID: | 201207-07 |
Distribution: | Gentoo |
Plattformen: | Keine Angabe |
Datum: | Di, 10. Juli 2012, 10:38 |
Referenzen: | http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1784 |
Applikationen: | Keepalived |
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This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig3FFEE527AE6DFD0E30A9B652 Content-Type: text/plain; charset=ISO-8859- Content-Transfer-Encoding: quoted-printable - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 201207-07 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - http://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: Keepalived: Denial of Service Date: July 09, 2012 Bugs: #371469 ID: 201207-07 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== Keepalived uses world-writable PID files, allowing a local attacker to kill arbitrary processes. Background ========== Keepalived is a strong & robust keepalive facility to the Linux Virtual Server project. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 sys-cluster/keepalived < 1.2.2-r3 >= 1.2.2-r3 Description =========== The "pidfile_write()" function in pidfile.c in Keepalived writes PID files with insecure permissions. Impact ====== A local attacker may be able to cause a Denial of Service of arbitrary processes. Workaround ========== There is no known workaround at this time. Resolution ========== All Keepalived users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot -v ">=sys-cluster/keepalived-1.2.2-r3" References ========== [ 1 ] CVE-2011-1784 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-1784 Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201207-07.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 --------------enig3FFEE527AE6DFD0E30A9B652 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/7beAACgkQAnl3SfnYR/hi4wD/dDzDjFp/6b1Z3cfQw+B+ZHB9 ylaFMzs0NgfuM2EsIkcA/3tGP55sqNg3bT6PmnplcpJrDoYhViC7EDoYZvf5WH4W =Ik3l -----END PGP SIGNATURE----- --------------enig3FFEE527AE6DFD0E30A9B652-- |