CVE-2021-42840

Public exploit code

Working exploit or proof of concept code has been published for this vulnerability. Treat unpatched systems as at risk.

• SuiteCRM 7.11.18 - Remote Code Execution (RCE) (Authenticated) (Metasploit)2021-11-17 · webapps · php · Verified

Impact

SuiteCRM before 7.11.19 allows remote code execution via the system settings Log File Name setting. In certain circumstances involving admin account takeover, logger_file_name can refer to an attacker-controlled PHP file under the web root, because only the all-lowercase PHP file extensions were blocked. NOTE: this issue exists because of an incomplete fix for CVE-2020-28328.

Affected products

Weakness classification

References

• NVD record
• CVE.org record
• http://packetstormsecurity.com/files/165001/SuiteCRM-7.11.18-Remote-Code-Execution.html
• https://docs.suitecrm.com/admin/releases/7.11.x/#_7_11_19
• https://github.com/rapid7/metasploit-framework/commits/master/modules/exploits/linux/http/suitecrm_log_file_rce.rb
• https://suitecrm.com/time-to-upgrade-suitecrm-7-11-19-7-10-30-lts-released/
• https://theyhack.me/SuiteCRM-RCE-2/
• http://packetstormsecurity.com/files/165001/SuiteCRM-7.11.18-Remote-Code-Execution.html
• https://docs.suitecrm.com/admin/releases/7.11.x/#_7_11_19
• https://github.com/rapid7/metasploit-framework/commits/master/modules/exploits/linux/http/suitecrm_log_file_rce.rb
• https://suitecrm.com/time-to-upgrade-suitecrm-7-11-19-7-10-30-lts-released/
• https://theyhack.me/SuiteCRM-RCE-2/