CVE-2021-31535 remote attackers warning in StarWind products
Title: CVE-2021-31535 remote attackers warning in StarWind products
Note: StarWind will continue to update this vulnerability as new information becomes available.
Vulnerability ID: SW-20220503-0002
Version: 1.0
Date: 2022-05-03
Status: Final
CVEs: CVE-2021-31535
- Overview
- Affected Products
- Remediation
- Revision History
Summary
LookupCol.c in X.Org X through X11R7.7 and libX11 before 1.7.1 might allow remote attackers to execute arbitrary code. The libX11 XLookupColor request (intended for server-side color lookup) contains a flaw allowing a client to send color-name requests with a name longer than the maximum size allowed by the protocol (and also longer than the maximum packet size for normal-sized packets). The user-controlled data exceeding the maximum size is then interpreted by the server as additional X protocol requests and executed, e.g., to disable X server authorization completely.
Impact
If the victim encounters malicious terminal control sequences for color codes, then the attacker may be able to take full control of the running graphical session.
Vulnerability Scoring
| CVE | CVSS 2.0 Score | CVSS 3.x Score |
|---|---|---|
| CVE-2021-31535 | 7.5 (HIGH) | 9.8(CRITICAL) |
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
| Resource | Hyperlink |
|---|---|
| NVD | https://nvd.nist.gov/vuln/detail/CVE-2021-31535 |
Affected Products:
StarWind HCA and Command Center build 6003 v2
Not affected products:
StarWind SAN&NAS build 1381
StarWind SAN&NAS build 1064
StarWind Command Center build 5871
StarWind Command Center build 5856
StarWind Command Center build 5650
StarWind Command Center build 4992
StarWind VSAN for Hyper-V (all versions)
StarWind VTL component (all versions for Windows Server)
StarWind V2V (all versions)
StarWind Tape Redirector component (all versions)
StarWind Deduplication Analyzer (all versions)
StarWind rPerf (all versions)
StarWind iSCSI Accelerator (all versions)
StarWind NVMe-oF Initiator (all versions)
Software Versions and Fixes
Fixed in StarWind Command Center v2 build 7024
Workaround
Update StarWind Command Center to the build 7024 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 | 2022-05-03 | Initial Public Release |