CVE-2022-39843

Public Exploit

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.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.12%
Third-Party Advisory github.com Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/taviso/123elf/issues/103 third party advisory issue tracking exploit
https://github.com/taviso/123elf/releases/tag/v1.0.0rc3 third party advisory release notes

Frequently Asked Questions

What is the severity of CVE-2022-39843?
CVE-2022-39843 has been scored as a high severity vulnerability.
How to fix CVE-2022-39843?
To fix CVE-2022-39843, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-39843 being actively exploited in the wild?
It is possible that CVE-2022-39843 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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