Ecosyste.ms: Advisories

Security Advisories: MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLTY4NmYtY2gzci14d21o

Data races in unicycle

Affected versions of this crate unconditionally implemented Send & Sync for types PinSlab<T> & Unordered<T, S>. This allows sending non-Send types to other threads and concurrently accessing non-Sync types from multiple threads.

This can result in a data race & memory corruption when types that provide internal mutability without synchronization are contained within PinSlab<T> or Unordered<T, S> and accessed concurrently from multiple threads.

The flaw was corrected in commits 92f40b4 & 6a6c367 by adding trait bound T: Send to Send impls for PinSlab<T> & Unordered<T, S> and adding T: Sync to Sync impls for PinSlab<T> & Unordered<T, S>.

Permalink: https://github.com/advisories/GHSA-686f-ch3r-xwmh
JSON: https://advisories.ecosyste.ms/api/v1/advisories/MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLTY4NmYtY2gzci14d21o
Source: GitHub Advisory Database
Origin: Unspecified
Severity: High
Classification: General
Published: about 3 years ago
Updated: almost 2 years ago

CVSS Score: 8.1
CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Identifiers: GHSA-686f-ch3r-xwmh, CVE-2020-36436
References:

• https://nvd.nist.gov/vuln/detail/CVE-2020-36436
• https://github.com/udoprog/unicycle/issues/8
• https://rustsec.org/advisories/RUSTSEC-2020-0116.html
• https://github.com/udoprog/unicycle/commit/6a6c367a0c25f86f998fa315ea90c328f685b194
• https://github.com/udoprog/unicycle/commit/92f40b4a2c671553dfa96feacff0265206c44ce5
• https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/unicycle/RUSTSEC-2020-0116.md
• https://github.com/advisories/GHSA-686f-ch3r-xwmh

Repository: https://github.com/udoprog/unicycle
Blast Radius: 2.4

Affected Packages