Vulnerability Description
Mio is a Metal I/O library for Rust. When using named pipes on Windows, mio will under some circumstances return invalid tokens that correspond to named pipes that have already been deregistered from the mio registry. The impact of this vulnerability depends on how mio is used. For some applications, invalid tokens may be ignored or cause a warning or a crash. On the other hand, for applications that store pointers in the tokens, this vulnerability may result in a use-after-free. For users of Tokio, this vulnerability is serious and can result in a use-after-free in Tokio. The vulnerability is Windows-specific, and can only happen if you are using named pipes. Other IO resources are not affected. This vulnerability has been fixed in mio v0.8.11. All versions of mio between v0.7.2 and v0.8.10 are vulnerable. Tokio is vulnerable when you are using a vulnerable version of mio AND you are using at least Tokio v1.30.0. Versions of Tokio prior to v1.30.0 will ignore invalid tokens, so they are not vulnerable. Vulnerable libraries that use mio can work around this issue by detecting and ignoring invalid tokens.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mio Project | Mio | >= 0.7.2, <= 0.8.10 |
| Tokio | Tokio | >= 1.30.0 |
Related Weaknesses (CWE)
References
- https://github.com/tokio-rs/mio/commit/90d4fe00df870acd3d38f3dc4face9aacab8fbb9Patch
- https://github.com/tokio-rs/mio/pull/1760Issue Tracking
- https://github.com/tokio-rs/mio/security/advisories/GHSA-r8w9-5wcg-vfj7Vendor Advisory
- https://github.com/tokio-rs/tokio/issues/6369Issue Tracking
- https://github.com/tokio-rs/mio/commit/90d4fe00df870acd3d38f3dc4face9aacab8fbb9Patch
- https://github.com/tokio-rs/mio/pull/1760Issue Tracking
- https://github.com/tokio-rs/mio/security/advisories/GHSA-r8w9-5wcg-vfj7Vendor Advisory
- https://github.com/tokio-rs/tokio/issues/6369Issue Tracking
FAQ
What is CVE-2024-27308?
CVE-2024-27308 is a vulnerability with a CVSS score of 7.5 (HIGH). Mio is a Metal I/O library for Rust. When using named pipes on Windows, mio will under some circumstances return invalid tokens that correspond to named pipes that have already been deregistered from ...
How severe is CVE-2024-27308?
CVE-2024-27308 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2024-27308?
Check the references section above for vendor advisories and patch information. Affected products include: Mio Project Mio, Tokio Tokio.