GHSA-p6gj-gpc8-f8xw: Nanorand Aliased Mutable References From `tls_rand` Vulnerability

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Advisory Summary

GHSA-p6gj-gpc8-f8xw is a MODERATE aliased mutable references from `tls_rand` vulnerability (General Security Weakness) affecting Nanorand libraries in the crates.io ecosystem. The issue involves aliased mutable references from `tls_rand` & `tlswyrand`. Remediation is available by upgrading affected packages to version 0.6.1.

GHSA-p6gj-gpc8-f8xw at a Glance

CVE Identifier N/A
GHSA Identifier GHSA-p6gj-gpc8-f8xw
Severity MODERATE
CVSS v3.1 Base Score N/A
CWE Classification General Security Weakness
Affected Product Nanorand
Package Ecosystem crates.io
Published Date
Last Updated

How to Fix GHSA-p6gj-gpc8-f8xw

To remediate this vulnerability, upgrade all affected Nanorand dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

nanorand fixed: 0.6.1 
Upgrade nanorand to 0.6.1
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

inspect dependencies for nanorand

How to Check if You Are Affected

To determine whether your application is affected by GHSA-p6gj-gpc8-f8xw, inspect your project dependencies for Nanorand:

inspect dependencies for nanorand

Analyze the terminal output to locate any version of Nanorand in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 0.6.1), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under General Security Weakness. In Nanorand, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

`TlsWyRand`'s implementation of `Deref` unconditionally dereferences a raw pointer, and returns multiple mutable references to the same object, which is undefined behavior.

GHSA-p6gj-gpc8-f8xw Affected Nanorand Versions

1 component(s)
Fixed Versions:
0.6.1
Product / Package Ecosystem Affected Versions Fixed Version
nanorand
 crates.io
≥ 0.5.0
< 0.6.1
0.6.1

References

Nanorand Source Repository REPOSITORY
https://github.com/Absolucy/nanorand-rs/issues/28
Nanorand Source Repository REPOSITORY
https://github.com/Absolucy/nanorand-rs
rustsec.org/advisories/rustsec-... WEB
https://rustsec.org/advisories/RUSTSEC-2021-0114.html

Frequently Asked Questions

What is GHSA-p6gj-gpc8-f8xw?
GHSA-p6gj-gpc8-f8xw is a security vulnerability in Nanorand involving Aliased mutable references from `tls_rand` & `TlsWyRand` under General Security Weakness.
Which Nanorand versions are affected?
Affected versions include releases prior to 0.6.1 across affected packages: nanorand.
What version fixes GHSA-p6gj-gpc8-f8xw?
Upgrading to 0.6.1 (or the latest patched release for your respective branch) resolves the vulnerability.
Is nanorand affected?
Yes, nanorand is affected in releases prior to 0.6.1. Upgrade your dependency to 0.6.1 or later.
What CWE is associated with GHSA-p6gj-gpc8-f8xw?
GHSA-p6gj-gpc8-f8xw is classified under General Security Weakness.
How can I check crates.io dependencies for GHSA-p6gj-gpc8-f8xw?
Run the dependency tree command: 'inspect dependencies for nanorand'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-p6gj-gpc8-f8xw",
  "modified" : "2022-06-17T00:13:24Z",
  "published" : "2022-06-17T00:13:24Z",
  "aliases" : [ ],
  "summary" : "Aliased mutable references from `tls_rand` & `TlsWyRand`",
  "details" : "`TlsWyRand`'s implementation of `Deref` unconditionally dereferences a raw pointer, and returns \nmultiple mutable references to the same object, which is undefined behavior.\n",
  "severity" : [ ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "crates.io",
      "name" : "nanorand"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0.5.0"
      }, {
        "fixed" : "0.6.1"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/Absolucy/nanorand-rs/issues/28"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/Absolucy/nanorand-rs"
  }, {
    "type" : "WEB",
    "url" : "https://rustsec.org/advisories/RUSTSEC-2021-0114.html"
  } ],
  "database_specific" : {
    "cwe_ids" : [ ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2022-06-17T00:13:24Z",
    "nvd_published_at" : null
  }
}