| <?xml version="1.0" encoding="UTF-8"?> |
| <!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> |
| <glsa id="201207-07"> |
| <title>Keepalived: Denial of Service</title> |
| <synopsis>Keepalived uses world-writable PID files, allowing a local attacker |
| to kill arbitrary processes. |
| </synopsis> |
| <product type="ebuild">keepalived</product> |
| <announced>July 09, 2012</announced> |
| <revised>July 09, 2012: 1</revised> |
| <bug>371469</bug> |
| <access>local</access> |
| <affected> |
| <package name="sys-cluster/keepalived" auto="yes" arch="*"> |
| <unaffected range="ge">1.2.2-r3</unaffected> |
| <vulnerable range="lt">1.2.2-r3</vulnerable> |
| </package> |
| </affected> |
| <background> |
| <p>Keepalived is a strong & robust keepalive facility to the Linux |
| Virtual Server project. |
| </p> |
| </background> |
| <description> |
| <p>The "pidfile_write()" function in pidfile.c in Keepalived writes PID |
| files with insecure permissions. |
| </p> |
| </description> |
| <impact type="normal"> |
| <p>A local attacker may be able to cause a Denial of Service of arbitrary |
| processes. |
| </p> |
| </impact> |
| <workaround> |
| <p>There is no known workaround at this time.</p> |
| </workaround> |
| <resolution> |
| <p>All Keepalived users should upgrade to the latest version:</p> |
| |
| <code> |
| # emerge --sync |
| # emerge --ask --oneshot --verbose ">=sys-cluster/keepalived-1.2.2-r3" |
| </code> |
| </resolution> |
| <references> |
| <uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-1784">CVE-2011-1784</uri> |
| </references> |
| <metadata timestamp="Mon, 11 Jun 2012 19:50:31 +0000" tag="requester">ackle</metadata> |
| <metadata timestamp="Mon, 09 Jul 2012 23:28:51 +0000" tag="submitter">ackle</metadata> |
| </glsa> |