- Issued
-
- Package
-
flatbuffers
(crates.io)
- Type
-
Vulnerability
- Details
-
https://github.com/google/flatbuffers/issues/6627
- CVSS Score
- 9.8
CRITICAL
- CVSS Details
-
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
- CVSS Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Patched
-
no patched versions
Description
Code generated by flatbuffers' compiler is unsafe but not marked as such.
See https://github.com/google/flatbuffers/issues/6627 for details.
For example, if generated code is used to decode malformed or untrusted input,
undefined behavior (and thus security vulnerabilities) is possible even without
the use of the unsafe keyword, violating the the meaning of "safe" code;
All users that use generated code by flatbuffers compiler are recommended to:
- not expose flatbuffer generated code as part of their public APIs
- audit their code and look for any usage of
follow, push, or any method that uses them
(e.g. self_follow).
- Carefuly go through the crates' documentation to understand which "safe" APIs are not
intended to be used.