Best answer by shuguetView original
I know this is a Mandriva notice but I assume CentOS is also affected. _______________________________________________________________________ Mandriva Linux Security Advisory MDVSA-2014:097 http://www.mandriva.com/en/support/security/ _______________________________________________________________________ Package : libvirt Date : May 16, 2014 Affected: Business Server 1.0 _______________________________________________________________________ Problem Description: Multiple vulnerabilities has been discovered and corrected in libvirt: The LXC driver (lxc/lxc_driver.c) in libvirt 1.0.1 through 1.2.1 allows local users to (1) delete arbitrary host devices via the virDomainDeviceDettach API and a symlink attack on /dev in the container; (2) create arbitrary nodes (mknod) via the virDomainDeviceAttach API and a symlink attack on /dev in the container; and cause a denial of service (shutdown or reboot host OS) via the (3) virDomainShutdown or (4) virDomainReboot API and a symlink attack on /dev/initctl in the container, related to paths under /proc//root and the virInitctlSetRunLevel function (CVE-2013-6456). libvirt was patched to prevent expansion of entities when parsing XML files. This vulnerability allowed malicious users to read arbitrary files or cause a denial of service (CVE-2014-0179). The updated packages have been upgraded to the 18.104.22.168 version and patched to correct these issues. _______________________________________________________________________ References: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-6456 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-0179 http://security.libvirt.org/2014/0003.html http://lists.opensuse.org/opensuse-updates/2014-05/msg00048.html _______________________________________________________________________
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