CVE-2022-39843 Memory corruption in n/a
Attackers can execute arbitrary code via crafted worksheets due to a stack-based buffer overflow in Lotus 1-2-3 spreadsheet software.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2022-39843?
CVE-2022-39843 is a high-severity memory corruption vulnerability in n/a, published on 5 Sep 2022. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-787
Which versions are affected by CVE-2022-39843?
It affects 1 product.
Products include Lotus 1-2-3 Project Lotus 1-2-3.
How do I fix CVE-2022-39843?
No fix has been published for CVE-2022-39843 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2022-39843 being exploited?
There is no known exploitation of CVE-2022-39843 in the wild and no public exploit code.