CVE-2012-3447

Severity: medium (CVSS 4.9 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.9% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2012-08-20 · updated 2026-06-16
Weakness: CWE-264

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.

Affected products

OpenStack Folsom: all versions
OpenStack Nova: 2012.1

References

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/
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

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