Vulnerability in Openvz Vzkernel
CVE-2014-3519
The open_by_handle_at function in vzkernel before 042stab090.5 in the OpenVZ modification for the Linux kernel 2.6.32, when using simfs, might allow local container users with CAP_DAC_READ_SEARCH capability to bypass an intended container protection mechanism and access arbitrary files on a filesystem via vectors related to use of the file_handle structure.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.004 (35.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 35th percentile — 35.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Openvz Vzkernel — versions 2.6.32
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securityfocus.com/bid/68171 (VDB Entry, Third Party Advisory, vdb-entry)
- help.virtuozzo.com/customer/en/portal/articles/2563842-cu-2-6-32-042stab090-5-p… (Release Notes, Vendor Advisory)
- www.openwall.com/lists/oss-security/2014/06/24/16 (mailing-list, Mailing List, Third Party Advisory, Mitigation)
- openvz.org/Download/kernel/rhel6/042stab090.5 (Patch, Release Notes, Vendor Advisory)
- help.virtuozzo.com/customer/en/portal/articles/2522783-parallels-cloud-server-6… (Release Notes, Vendor Advisory)
- help.virtuozzo.com/customer/en/portal/articles/2563843-cu-2-6-32-042stab090-5-p… (Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2014-3519?
- CVE-2014-3519 is a medium-severity vulnerability in Openvz Vzkernel, classified under Improper Access Control. CVSS score: 6.5/10. Published 2018-02-01.
- How severe is CVE-2014-3519?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2014-3519 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.