CVE-2023-33302: fortinet fortimail Classic Buffer Overflow

Vulnerability summary

CVE-2023-33302 is a high (CVSS 8.8) Classic Buffer Overflow vulnerability in fortinet fortimail. EPSS estimates a 0.37% chance of exploitation in the next 30 days, higher than 29.5% of scored vulnerabilities.

Timeline

1. 31-03-2025
   PublishedVulnerability first disclosed.
2. 31-03-2025
   Last modifiedVulnerability information updated.

Description

A buffer copy without checking size of input ('classic buffer overflow') in Fortinet FortiMail webmail and administrative interface version 6.4.0 through 6.4.4 and before 6.2.6 and FortiNDR administrative interface version 7.2.0 and before 7.1.0 allows an authenticated attacker with regular webmail access to trigger a buffer overflow and to possibly execute unauthorized code or commands via specifically crafted HTTP requests.

• CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.