CVE-2018-20482 GNU Tar issue in StarWind products
Title: CVE-2018-20482 GNU Tar issue in StarWind products
Note: StarWind will continue to update this vulnerability as new information becomes available.
Vulnerability ID: SW-20220518-0002
Version: 1.0
Date: 2022-05-18
Status: Final
CVEs: CVE-2018-20482
- Overview
- Affected Products
- Remediation
- Revision History
Summary
GNU Tar through 1.30, when –sparse is used, mishandles file shrinkage during read access, which allows local users to cause a denial of service (infinite read loop in sparse_dump_region in sparse.c) by modifying a file that is supposed to be archived by a different user’s process (e.g., a system backup running as root).
Impact
A denial of service (infinite read loop in sparse_dump_region in sparse.c) by modifying a file.
Vulnerability Scoring
| CVE | CVSS 2.0 Score | CVSS 3.x Score |
|---|---|---|
| CVE-2018-20482 | 1.9 (LOW) | 4.7 (MEDIUM) |
Vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
References
| Resource | Hyperlink |
|---|---|
| NVD | https://nvd.nist.gov/vuln/detail/CVE-2018-20482 |
Affected Products:
StarWind SAN and NAS v0.2 build 1633
Not affected products:
StarWind VSAN for Hyper-V (all versions)
StarWind VSAN for vSphere (all versions)
StarWind SA (any setup)
StarWind VTLA (any setup)
StarWind VTL component (all versions)
StarWind V2V (all versions)
StarWind Tape Redirector component (all versions)
StarWind Deduplication Analyzer (all versions)
StarWind rPerf (all versions)
StarWind iSCSI Accelerator (all versions)
Software Versions and Fixes
StarWind SAN and NAS v0.2 build 1633
Workaround
Update StarWind SAN and NAS to the build v8 R13 or higher
Obtaining Software Fixes
Software updates will be available in StarWind release notes – https://www.starwindsoftware.com/release-notes-build. To update the software, perform the steps described at the following link – https://knowledgebase.starwindsoftware.com/guidance/upgrading-from-any-starwind-version-to-any-starwind-version/ or contact support to perform an update. You can submit a support request using the following link https://www.starwindsoftware.com/support-form or contact Support directly via email support@starwind.com or via phone +1 617 829 4499.
Status of Notice
Final
StarWind will continue to update information regarding this vulnerability as new details become available.
This vulnerability article should be considered as the single source of current, up-to-date, authorized and accurate information posted by StarWind Software.
Revision History
| Revision # | Date | Comments |
|---|---|---|
| 1.0 | 2022-05-18 | Initial Public Release and Final Status |