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Vulnerability record · CVE-2012-3447 · published 20 August 2012

CVE-2012-3447: Openstack folsom permissions and access controls vulnerability

Openstack · Folsom

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.

4.9 CVSS 2.0 Medium EPSS 1.9% · top 20.7% CWE-264 · Permissions and access controls
4.9CVSS 2.0 base score
1.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
16References, 4 tagged exploit
16 Jun 2026Last modified by NVD

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.

AV:N/AC:M/Au:S/C:N/I:P/A:P

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
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 ExploitPatch
https://github.com/openstack/nova/commit/d9577ce9f266166a297488445b5b0c93c1ddb368 ExploitPatch
https://review.openstack.org/#/c/10953/
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 ExploitPatch
https://github.com/openstack/nova/commit/d9577ce9f266166a297488445b5b0c93c1ddb368 ExploitPatch
https://review.openstack.org/#/c/10953/

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2012-3447), CISA KEV, FIRST EPSS (scores of 2026-10-01). This page is refreshed as NVD updates the record.