CVE-2007-4303: Cerb Cerbng

Medium severity, CVSS 6.2. EPSS: 0.3% chance of exploitation in the next 30 days.

Multiple race conditions in (1) certain rules and (2) argument copying during VM protection, in CerbNG for FreeBSD 4.8 allow local users to defeat system call interposition and possibly gain privileges or bypass auditing, as demonstrated by modifying command lines in log-exec.cb.

Affected products

• Cerb Cerbng: version 0.1 only; version 0.2 only; version 0.3 only; version 0.4 only

Published 2007-08-13. Last modified 2026-06-16.