CVE-2012-3447 Information

Description

virt/disk/api.py in OpenStack Compute (Nova) 2012.1.x before 2012.1.2 and Folsom before Folsom-3 allows remote authenticated users to overwrite arbitrary files via a symlink attack on a file in an image that uses a symlink that is only readable by root. NOTE: this vulnerability exists because of an incomplete fix for CVE-2012-3361.

Reference

http://www.openwall.com/lists/oss-security/2012/08/07/1 http://www.securityfocus.com/bid/54869 https://bugs.launchpad.net/nova/+bug/1031311 https://bugzilla.redhat.com/show_bug.cgi?id=845106 https://exchange.xforce.ibmcloud.com/vulnerabilities/77539 https://github.com/openstack/nova/commit/ce4b2e27be45a85b310237615c47eb53f37bb5f3 https://github.com/openstack/nova/commit/d9577ce9f266166a297488445b5b0c93c1ddb368 https://review.openstack.org//c/10953/