Problem Note 65983: The LUA procedure contains an authorization-bypass vulnerability
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Severity: High
Description: PROC LUA contains a vulnerability that allows a user of SAS® software to bypass the LOCKDOWN option.
Potential Impact: A user can execute arbitrary code on the server.
Click the Hot Fix tab in this note to access the hot fix for this issue.
Note: This hot fix disables all of the operating-system library functions for PROC LUA when the procedure runs with the LOCKDOWN option. If you need to access the library functions, add the following line to your SAS autoexec file:
Operating System and Release Information
| Product Family | Product | System | Product Release | SAS Release | ||
| Reported | Fixed* | Reported | Fixed* | |||
| SAS System | Base SAS | z/OS 64-bit | 9.4_M5 | 9.4 TS1M5 | ||
| z/OS | 9.4_M5 | 9.4 TS1M5 | ||||
| Microsoft® Windows® for x64 | 9.4_M5 | 9.4 TS1M5 | ||||
| Microsoft Windows 8 Enterprise 32-bit | 9.4_M5 | 9.4 TS1M5 | ||||
| Microsoft Windows 8 Enterprise x64 | 9.4_M5 | 9.4 TS1M5 | ||||
| Microsoft Windows 8 Pro 32-bit | 9.4_M5 | 9.4 TS1M5 | ||||
| Microsoft Windows 8 Pro x64 | 9.4_M5 | 9.4 TS1M5 | ||||
| Microsoft Windows 8.1 Enterprise 32-bit | 9.4_M5 | 9.4 TS1M5 | ||||
| Microsoft Windows 8.1 Enterprise x64 | 9.4_M5 | 9.4 TS1M5 | ||||
| Microsoft Windows 8.1 Pro 32-bit | 9.4_M5 | 9.4 TS1M5 | ||||
| Microsoft Windows 8.1 Pro x64 | 9.4_M5 | 9.4 TS1M5 | ||||
| Microsoft Windows 10 | 9.4_M5 | 9.4 TS1M5 | ||||
| Microsoft Windows Server 2008 | 9.4_M5 | 9.4 TS1M5 | ||||
| Microsoft Windows Server 2008 R2 | 9.4_M5 | 9.4 TS1M5 | ||||
| Microsoft Windows Server 2008 for x64 | 9.4_M5 | 9.4 TS1M5 | ||||
| Microsoft Windows Server 2012 Datacenter | 9.4_M5 | 9.4 TS1M5 | ||||
| Microsoft Windows Server 2012 R2 Datacenter | 9.4_M5 | 9.4 TS1M5 | ||||
| Microsoft Windows Server 2012 R2 Std | 9.4_M5 | 9.4 TS1M5 | ||||
| Microsoft Windows Server 2012 Std | 9.4_M5 | 9.4 TS1M5 | ||||
| Microsoft Windows Server 2016 | 9.4_M5 | 9.4 TS1M5 | ||||
| Windows 7 Enterprise 32 bit | 9.4_M5 | 9.4 TS1M5 | ||||
| Windows 7 Enterprise x64 | 9.4_M5 | 9.4 TS1M5 | ||||
| Windows 7 Home Premium 32 bit | 9.4_M5 | 9.4 TS1M5 | ||||
| Windows 7 Home Premium x64 | 9.4_M5 | 9.4 TS1M5 | ||||
| Windows 7 Professional 32 bit | 9.4_M5 | 9.4 TS1M5 | ||||
| Windows 7 Professional x64 | 9.4_M5 | 9.4 TS1M5 | ||||
| Windows 7 Ultimate 32 bit | 9.4_M5 | 9.4 TS1M5 | ||||
| Windows 7 Ultimate x64 | 9.4_M5 | 9.4 TS1M5 | ||||
| 64-bit Enabled AIX | 9.4_M5 | 9.4 TS1M5 | ||||
| 64-bit Enabled Solaris | 9.4_M5 | 9.4 TS1M5 | ||||
| HP-UX IPF | 9.4_M5 | 9.4 TS1M5 | ||||
| Linux for x64 | 9.4_M5 | 9.4 TS1M5 | ||||
| Solaris for x64 | 9.4_M5 | 9.4 TS1M5 | ||||
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 Base SAS 9.4_M5 is available at:
https://tshf.sas.com/techsup/download/hotfix/HF2/B6Q.html#65983A fix for this issue for SAS Threaded Kernel 9.4_M5 is available at:
https://tshf.sas.com/techsup/download/hotfix/HF2/C1S.html#65983| Type: | Problem Note |
| Priority: | high |
| Date Modified: | 2020-05-18 16:50:28 |
| Date Created: | 2020-05-14 09:48:33 |