CVE-2022-39843

Name of the Vulnerable Software and Affected Versions 123elf Lotus 1-2-3 versions prior to 1.0.0rc3 Lotus 1-2-3 R3 for UNIX and other platforms versions prior to 9.8.2

Description The issue allows attackers to execute arbitrary code via a crafted worksheet. This occurs because of a stack-based buffer overflow in the cell format processing routines, as demonstrated by a certain function call from process fmt() that can be reached via a w3r format element in a wk3 document.

Recommendations For 123elf Lotus 1-2-3 versions prior to 1.0.0rc3, update to version 1.0.0rc3 or later. For Lotus 1-2-3 R3 for UNIX and other platforms versions prior to 9.8.2, update to version 9.8.2 or later.