PT-2020-17649 · Rust · Cgc Crate
Published
2020-12-10
·
Updated
2021-08-25
·
CVE-2020-36468
CVSS v3.1
5.9
Medium
| Vector | AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |
Name of the Vulnerable Software and Affected Versions
cgc crate through 2020-12-10 for Rust
Description
The issue concerns the cgc crate for Rust, where
Ptr implements Send and Sync for all types, potentially leading to data races by sending non-thread safe types across threads. Additionally, Ptr::get violates mutable alias rules by returning multiple mutable references to the same object. Ptr::write uses non-atomic writes to the underlying pointer, which can lead to data races when used across threads.Recommendations
As a temporary workaround, consider disabling the
Ptr::write function until a patch is available.
Restrict access to the Ptr module to minimize the risk of exploitation.
Avoid using Ptr across threads until the issue is resolved.
At the moment, there is no information about a newer version that contains a fix for this vulnerability.Exploit
Race Condition
Found an issue in the description? Have something to add? Feel free to write us 👾
Related Identifiers
Affected Products
Cgc Crate