HIGH
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
Published Aug 20, 2012
7.1
HIGHCVSS 4.0
EPSS 1.93%
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
Remediation
No remediation recorded yet.
Metrics
7.1 HIGH GHSA
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
Attack Vector Network
Attack Complexity Low
Attack Requirements None
Privileges Required Low
User Interaction None
Vulnerable System Confidentiality None
Vulnerable System Integrity High
Vulnerable System Availability None
Subsequent System Confidentiality None
Subsequent System Integrity None
Subsequent System Availability None
6.5 HIGH GHSA
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact High
Availability Impact None
No CVSS v3.0 score for this CVE.
4.9 MEDIUM NVD
AV:N/AC:M/Au:S/C:N/I:P/A:P
Access Vector Network
Access Complexity Medium
Authentication Single
Confidentiality Impact None
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
1.93% 0.01933
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.01933
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.93% (0.01933) | 79.30th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.93% (0.01933) | 77.32th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.05% (0.01053) | 76.04th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.38% (0.00384) | 73.94th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.38% (0.00384) | 72.36th | v3 (v2023.03.01) |
| Jul 11, 2023 | 0.38% (0.00384) | 69.39th | v3 (v2023.03.01) |
| May 8, 2023 | 0.40% (0.00395) | 69.42th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.33% (0.00333) | 66.52th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.31% (0.01315) | 68.50th | v2 (v2022.01.01) |
| Feb 22, 2023 | 1.31% (0.01315) | 68.21th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.31% (0.01315) | 66.08th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.31% (0.01315) | 41.88th | v2 (v2022.01.01) |
Weaknesses (2)
References (12)
- http://www.openwall.com/lists/oss-security/2012/08/07/1 mailing-listx_refsource_MLIST
- http://www.securityfocus.com/bid/54869 vdb-entryx_refsource_BID
- https://bugs.launchpad.net/nova/+bug/1031311 x_refsource_CONFIRM
- https://bugzilla.redhat.com/show_bug.cgi?id=845106 x_refsource_MISC
- https://exchange.xforce.ibmcloud.com/vulnerabilities/77539 vdb-entryx_refsource_XF
- https://github.com/advisories/GHSA-xc4g-7vw8-924h Advisory
- https://github.com/openstack/nova/commit/ce4b2e27be45a85b310237615c47eb53f37bb5f3 x_refsource_CONFIRMExploitPatch
- https://github.com/openstack/nova/commit/d9577ce9f266166a297488445b5b0c93c1ddb368 x_refsource_CONFIRMExploitPatch
- https://github.com/pypa/advisory-database/tree/main/vulns/nova/PYSEC-2012-21.yaml
- https://nvd.nist.gov/vuln/detail/CVE-2012-3447
- https://review.openstack.org/#/c/10953 x_refsource_CONFIRM
- https://web.archive.org/web/20120824003029/http://www.securityfocus.com/bid/54869
| Link | Providers | Tags |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2012/08/07/1 | mailing-listx_refsource_MLIST | |
| http://www.securityfocus.com/bid/54869 | vdb-entryx_refsource_BID | |
| https://bugs.launchpad.net/nova/+bug/1031311 | x_refsource_CONFIRM | |
| https://bugzilla.redhat.com/show_bug.cgi?id=845106 | x_refsource_MISC | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/77539 | vdb-entryx_refsource_XF | |
| https://github.com/advisories/GHSA-xc4g-7vw8-924h | Advisory | |
| https://github.com/openstack/nova/commit/ce4b2e27be45a85b310237615c47eb53f37bb5f3 | x_refsource_CONFIRMExploitPatch | |
| https://github.com/openstack/nova/commit/d9577ce9f266166a297488445b5b0c93c1ddb368 | x_refsource_CONFIRMExploitPatch | |
| https://github.com/pypa/advisory-database/tree/main/vulns/nova/PYSEC-2012-21.yaml | ||
| https://nvd.nist.gov/vuln/detail/CVE-2012-3447 | ||
| https://review.openstack.org/#/c/10953 | x_refsource_CONFIRM | |
| https://web.archive.org/web/20120824003029/http://www.securityfocus.com/bid/54869 |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner redhat
Published Aug 20, 2012
Updated Aug 6, 2024
Reserved Jun 14, 2012
Link CVE-2012-3447
CISA Vulnrichment
GHSA-XC4G-7VW8-924H Updated n/a