CVE-2022-39843 Information

Description

123elf Lotus 1-2-3 before 1.0.0rc3 for Linux and Lotus 1-2-3 R3 for UNIX and other platforms through 9.8.2 allow 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.

Reference

https://github.com/taviso/123elf/releases/tag/v1.0.0rc3 https://github.com/taviso/123elf/issues/103