{"id":"PYSEC-2012-21","details":"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.","aliases":["CVE-2012-3447","GHSA-xc4g-7vw8-924h"],"modified":"2025-10-09T05:38:49.002280Z","published":"2012-08-20T18:55:00Z","references":[{"type":"FIX","url":"https://github.com/openstack/nova/commit/ce4b2e27be45a85b310237615c47eb53f37bb5f3"},{"type":"FIX","url":"https://github.com/openstack/nova/commit/d9577ce9f266166a297488445b5b0c93c1ddb368"},{"type":"WEB","url":"http://www.securityfocus.com/bid/54869"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2012/08/07/1"},{"type":"WEB","url":"https://review.openstack.org/#/c/10953/"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=845106"},{"type":"WEB","url":"https://bugs.launchpad.net/nova/+bug/1031311"},{"type":"WEB","url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/77539"}],"affected":[{"package":{"name":"nova","ecosystem":"PyPI","purl":"pkg:pypi/nova"},"ranges":[{"type":"GIT","repo":"https://github.com/openstack/nova","events":[{"introduced":"0"},{"fixed":"ce4b2e27be45a85b310237615c47eb53f37bb5f3"},{"fixed":"d9577ce9f266166a297488445b5b0c93c1ddb368"}]},{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["15.1.5","16.1.6","16.1.7","16.1.8","17.0.10","17.0.11","17.0.12","17.0.13","17.0.7","17.0.8","17.0.9","18.0.2","18.0.3","18.1.0","18.2.0","18.2.1","18.2.2","18.2.3","18.3.0","19.0.0","19.0.0.0rc1","19.0.0.0rc2","19.0.1","19.0.2","19.0.3","19.1.0","19.2.0","19.3.0","19.3.1","19.3.2","20.0.0","20.0.0.0rc1","20.0.0.0rc2","20.0.1","20.1.0","20.1.1","20.2.0","20.3.0","20.4.0","20.4.1","20.5.0","20.6.0","20.6.1","21.0.0","21.0.0.0rc1","21.0.0.0rc2","21.1.0","21.1.1","21.1.2","21.2.0","21.2.1","21.2.2","21.2.3","21.2.4","22.0.0","22.0.0.0rc1","22.0.1","22.1.0","22.2.0","22.2.1","22.2.2","22.3.0","22.4.0","23.0.0","23.0.0.0rc1","23.0.0.0rc2","23.0.1","23.0.2","23.1.0","23.2.0","23.2.1","23.2.2","24.0.0","24.0.0.0rc1","24.0.0.0rc2","24.1.0","24.1.1","24.2.0","24.2.1","25.0.0","25.0.0.0rc1","25.0.1","25.1.0","25.1.1","25.2.0","25.2.1","26.0.0","26.0.0.0rc1","26.0.0.0rc2","26.1.0","26.1.1","26.2.0","27.0.0","27.0.0.0rc1","27.1.0","28.0.0","28.0.0.0rc1","25.3.0","26.2.1","26.2.2","26.3.0","27.2.0","27.3.0","27.4.0","27.5.0","27.5.1","28.0.1","28.1.0","28.2.0","28.3.0","28.3.1","29.0.0","29.0.0.0rc1","29.0.1","29.0.2","29.1.0","29.2.0","29.2.1","29.2.2","29.3.0","30.0.0","30.0.0.0rc1","30.1.0","31.0.0","31.0.0.0rc1","31.0.1","31.1.0","32.0.0","32.0.0.0rc1"],"database_specific":{"source":"https://github.com/pypa/advisory-database/blob/main/vulns/nova/PYSEC-2012-21.yaml"}}],"schema_version":"1.7.3"}