Problem Note 68765: A security vulnerability occurs with the MIXED procedure under certain circumstances when a RANDOM or REPEATED statement is specified
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Severity: High
Description: PROC MIXED stops processing and generates traceback information with a segmentation violation. This issue occurs when a RANDOM statement or a REPEATED statement is specified and either of the following conditions is met:
- There are no valid observations in the analysis data set.
- The TYPE=LIN(12) option is specified in the RANDOM or REPEATED statement.
Potential Impact: The resulting segmentation violation introduces a potential security risk.
Click the Hot Fix tab in this note to access the hot fix for this issue.
Hot fixes are provided for the SAS® 9.4M7 (TS1M7) release and for SAS® Viya® 3.5.
Operating System and Release Information
| Product Family | Product | System | Product Release | SAS Release | ||
| Reported | Fixed* | Reported | Fixed* | |||
| SAS System | SAS/STAT | z/OS | 15.2 | 9.4 TS1M7 | ||
| Microsoft® Windows® for x64 | 15.2 | 9.4 TS1M7 | ||||
| Microsoft Windows 8 Enterprise 32-bit | 15.2 | 9.4 TS1M7 | ||||
| Microsoft Windows 8 Enterprise x64 | 15.2 | 9.4 TS1M7 | ||||
| Microsoft Windows 8 Pro 32-bit | 15.2 | 9.4 TS1M7 | ||||
| Microsoft Windows 8 Pro x64 | 15.2 | 9.4 TS1M7 | ||||
| Microsoft Windows 8.1 Enterprise 32-bit | 15.2 | 9.4 TS1M7 | ||||
| Microsoft Windows 8.1 Enterprise x64 | 15.2 | 9.4 TS1M7 | ||||
| Microsoft Windows 8.1 Pro 32-bit | 15.2 | 9.4 TS1M7 | ||||
| Microsoft Windows 8.1 Pro x64 | 15.2 | 9.4 TS1M7 | ||||
| Microsoft Windows 10 | 15.2 | 9.4 TS1M7 | ||||
| Microsoft Windows 11 | 15.2 | 9.4 TS1M7 | ||||
| Microsoft Windows Server 2008 | 15.2 | 9.4 TS1M7 | ||||
| Microsoft Windows Server 2008 R2 | 15.2 | 9.4 TS1M7 | ||||
| Microsoft Windows Server 2008 for x64 | 15.2 | 9.4 TS1M7 | ||||
| Microsoft Windows Server 2012 Datacenter | 15.2 | 9.4 TS1M7 | ||||
| Microsoft Windows Server 2012 R2 Datacenter | 15.2 | 9.4 TS1M7 | ||||
| Microsoft Windows Server 2012 R2 Std | 15.2 | 9.4 TS1M7 | ||||
| Microsoft Windows Server 2012 Std | 15.2 | 9.4 TS1M7 | ||||
| Microsoft Windows Server 2016 | 15.2 | 9.4 TS1M7 | ||||
| Microsoft Windows Server 2019 | 15.2 | 9.4 TS1M7 | ||||
| Microsoft Windows Server 2022 | 15.2 | 9.4 TS1M7 | ||||
| Windows 7 Enterprise 32 bit | 15.2 | 9.4 TS1M7 | ||||
| Windows 7 Enterprise x64 | 15.2 | 9.4 TS1M7 | ||||
| Windows 7 Home Premium 32 bit | 15.2 | 9.4 TS1M7 | ||||
| Windows 7 Home Premium x64 | 15.2 | 9.4 TS1M7 | ||||
| Windows 7 Professional 32 bit | 15.2 | 9.4 TS1M7 | ||||
| Windows 7 Professional x64 | 15.2 | 9.4 TS1M7 | ||||
| Windows 7 Ultimate 32 bit | 15.2 | 9.4 TS1M7 | ||||
| Windows 7 Ultimate x64 | 15.2 | 9.4 TS1M7 | ||||
| 64-bit Enabled AIX | 15.2 | 9.4 TS1M7 | ||||
| 64-bit Enabled Solaris | 15.2 | 9.4 TS1M7 | ||||
| HP-UX IPF | 15.2 | 9.4 TS1M7 | ||||
| Linux for x64 | 15.2 | 9.4 TS1M7 | ||||
| Solaris for x64 | 15.2 | 9.4 TS1M7 | ||||
| SAS System | SAS Viya | Linux for x64 | Viya | |||
Viya on Windows: An update for this issue is available for SAS Viya 3.5. For instructions on how to access and apply software updates, see the Updating Your SAS Viya software section in the SAS Viya 3.5 for Windows Deployment Guide at
http://documentation.sas.com/?softwareId=administration&softwareVersion=3.5&softwareContextId=softwareUpdatesWinViya on Linux: An update for this issue is available for SAS Viya 3.5. For instructions on how to access and apply software updates, see the Updating Your SAS Viya software section in the SAS Viya 3.5 for Linux Deployment Guide at
http://documentation.sas.com/?softwareId=administration&softwareVersion=3.5&softwareContextId=softwareUpdatesA fix for this issue for SAS/STAT 15.2 is available at:
https://tshf.sas.com/techsup/download/hotfix/HF2/I5J.html#68765| Type: | Problem Note |
| Priority: | high |
| Topic: | Analytics ==> Mixed Models SAS Reference ==> Procedures ==> MIXED |
| Date Modified: | 2022-01-24 13:54:44 |
| Date Created: | 2022-01-11 16:19:29 |