Security context
What an agent needs to avoid regressing past fixes and find the next vuln in this repo.
globalsign/mgo
master @ eeefdec
3
Fixes
0
CVEs
HIGH
Peak severity
Highlights
Auth Bypass: 2 prior fixes. Scrutinize any change in this area.
session.go: most-fixed (2 issues). Treat as high-risk during review.
3 high-severity fixes in this history; regressions here are high-impact.
Recurring patterns
The bug types that recur here, drawn from past fixes, not open vulnerabilities.
Auth Bypass: Flawed error propagation in session query methods, specifically when executing queries with nil destinations, allows database failures such as authorization errors to be swallowed and treated as successful operations. Developers must ensure that query execution errors are unconditionally checked and returned prior to any unmarshalling bypass optimization.
Auth Bypass: Misconfigured system role constants (e.g., using incorrect casing for built-in administrative roles) silently breaks privilege and access control mechanisms, leaving administrative workflows unprotected. Alignment with strict upstream MongoDB protocol strings is essential.
Buffer Overflow: The Windows SASL implementation was vulnerable to heap-based buffer overflows due to hardcoded length limits when handling Kerberos user principal strings. Dynamic size calculation must be strictly enforced before copying untrusted system credentials into buffers.