CVE-2018-3978: atlantiswordprocessor atlantis_word_processor Out-of-bounds Write

Vulnerability summary

CVE-2018-3978 is a high (CVSS 8.8) Out-of-bounds Write vulnerability in atlantiswordprocessor atlantis_word_processor. EPSS estimates a 1.01% chance of exploitation in the next 30 days, higher than 62.4% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 01-10-2018
   PublishedVulnerability first disclosed.
2. 17-09-2024
   Last modifiedVulnerability information updated.

Description

An exploitable out-of-bounds write vulnerability exists in the Word Document parser of the Atlantis Word Processor 3.0.2.3, 3.0.2.5. A specially crafted document can cause Atlantis to write a value outside the bounds of a heap allocation, resulting in a buffer overflow. An attacker must convince a victim to open a document in order to trigger this vulnerability.

• CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.