PT-2022-25032 · Ibm · Lotus 1-2-3 R3 For Unix

Dbastone · Published 2022-09-05 · Updated 2022-09-09 · CVE-2022-39843

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

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.

Exploit

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2022-39843

Affected Products

Lotus 1-2-3 R3 For Unix

References · 4

• 🔥 https://github.com/taviso/123elf/issues/103 · Exploit
• https://osv.dev/vulnerability/CVE-2022-39843 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-39843 · Security Note
• https://github.com/taviso/123elf/releases/tag/v1.0.0rc3 · Note