National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2012-3447 Detail

Current 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.

Source:  MITRE
View Analysis Description

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 4.9 MEDIUM
Vector: (AV:N/AC:M/Au:S/C:N/I:P/A:P) (V2 legend)
Impact Subscore: 4.9
Exploitability Subscore: 6.8


Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): Single
Confidentiality (C): None
Integrity (I): Partial
Availability (A): Partial
Additional Information:
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
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 Exploit Patch
https://github.com/openstack/nova/commit/d9577ce9f266166a297488445b5b0c93c1ddb368 Exploit Patch
https://review.openstack.org/#/c/10953/

Technical Details

Vulnerability Type (View All)

  • Permissions, Privileges, and Access Control (CWE-264)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:openstack:folsom:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:openstack:nova:2012.1:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2012-3447
NVD Published Date:
08/20/2012
NVD Last Modified:
08/28/2017