CVE-2021-45697: Molecule The `total_size` Function For Partial Vulnerability

Q: What is CVE-2021-45697?

CVE-2021-45697 is a security vulnerability in Molecule involving The `total_size` function for partial read the length of any `FixVec` is incorrect in molecule. under General Security Weakness.

Q: Which Molecule versions are affected?

Affected versions include releases prior to 0.7.2 across affected packages: molecule.

Q: What version fixes CVE-2021-45697?

Upgrading to 0.7.2 (or the latest patched release for your respective branch) resolves the vulnerability.

Q: Is molecule affected?

Yes, molecule is affected in releases prior to 0.7.2. Upgrade your dependency to 0.7.2 or later.

Q: What is the CVSS score of CVE-2021-45697?

CVE-2021-45697 has a CVSS v3.1 base score of 9.8 (CRITICAL) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Q: What CWE is associated with CVE-2021-45697?

CVE-2021-45697 is classified under General Security Weakness.

Q: How can I check crates.io dependencies for CVE-2021-45697?

Run the dependency tree command: 'inspect dependencies for molecule'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.

CRITICAL

Advisory Identifier: GHSA-6p3c-v8vc-c244

CVSS 9.8

Published 2022-01-06

Advisory Summary

CVE-2021-45697 is a CRITICAL (CVSS 9.8) the `total_size` function for partial vulnerability (General Security Weakness) affecting Molecule libraries in the crates.io ecosystem. The issue involves the `total_size` function for partial read the length of any `fixvec` is incorrect in molecule.. Remediation is available by upgrading affected packages to version 0.7.2.

CVE-2021-45697 at a Glance

CVE Identifier CVE-2021-45697

GHSA Identifier GHSA-6p3c-v8vc-c244

Severity CRITICAL

CVSS v3.1 Base Score 9.8

CWE Classification General Security Weakness

Affected Product Molecule

Package Ecosystem crates.io

Published Date 2022-01-06

Last Updated 2023-06-13

Security Impact

CVSS: 9.8

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

Attack Vector Network (AV:N)

Attack Complexity Low (AC:L)

Privileges Required None (PR:N)

User Interaction None (UI:N)

Scope Unchanged (S:U)

Confidentiality High (C:H)

Integrity High (I:H)

Availability High (A:H)

How to Fix CVE-2021-45697

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

molecule fixed: 0.7.2

Upgrade molecule to 0.7.2

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 molecule

How to Check if You Are Affected

To determine whether your application is affected by CVE-2021-45697, inspect your project dependencies for Molecule:

inspect dependencies for molecule

Analyze the terminal output to locate any version of Molecule in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 0.7.2), 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 Molecule, 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

Anyone who uses total_size(..) function to partial read the length of any FixVec will get an incorrect result, due to an incorrect implementation. This has been resolved in the 0.7.2 release.

CVE-2021-45697 Affected Molecule Versions

1 component(s)

Fixed Versions:

0.7.2

Product / Package	Ecosystem	Affected Versions	Fixed Version
molecule	crates.io	< 0.7.2	0.7.2

References

GitHub Advisory / Wiki ADVISORY

https://github.com/nervosnetwork/molecule/security/advisories/GHSA-82hm-vh7g-hrh9

NVD — CVE-2021-45697 NVD

https://nvd.nist.gov/vuln/detail/CVE-2021-45697

Molecule Source Repository REPOSITORY

https://github.com/nervosnetwork/molecule/pull/49

Molecule Source Repository REPOSITORY

https://github.com/nervosnetwork/molecule

raw.githubusercontent.com/rustsec/advisory-db... WEB

https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/molecule/RUSTSEC-2021-0103.md

rustsec.org/advisories/rustsec-... WEB

https://rustsec.org/advisories/RUSTSEC-2021-0103.html

Frequently Asked Questions

What is CVE-2021-45697?

CVE-2021-45697 is a security vulnerability in Molecule involving The `total_size` function for partial read the length of any `FixVec` is incorrect in molecule. under General Security Weakness.

Which Molecule versions are affected?

Affected versions include releases prior to 0.7.2 across affected packages: molecule.

What version fixes CVE-2021-45697?

Upgrading to 0.7.2 (or the latest patched release for your respective branch) resolves the vulnerability.

Is molecule affected?

Yes, molecule is affected in releases prior to 0.7.2. Upgrade your dependency to 0.7.2 or later.

What is the CVSS score of CVE-2021-45697?

CVE-2021-45697 has a CVSS v3.1 base score of 9.8 (CRITICAL) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

What CWE is associated with CVE-2021-45697?

CVE-2021-45697 is classified under General Security Weakness.

How can I check crates.io dependencies for CVE-2021-45697?

Run the dependency tree command: 'inspect dependencies for molecule'. 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-6p3c-v8vc-c244",
  "modified" : "2023-06-13T18:33:17Z",
  "published" : "2022-01-06T22:10:34Z",
  "aliases" : [ "CVE-2021-45697" ],
  "summary" : "The `total_size` function for partial read the length of any `FixVec` is incorrect in molecule.",
  "details" : "Anyone who uses total_size(..) function to partial read the length of any FixVec will get an incorrect result, due to an incorrect implementation. This has been resolved in the 0.7.2 release.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "crates.io",
      "name" : "molecule"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "0.7.2"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/nervosnetwork/molecule/security/advisories/GHSA-82hm-vh7g-hrh9"
  }, {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2021-45697"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/nervosnetwork/molecule/pull/49"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/nervosnetwork/molecule"
  }, {
    "type" : "WEB",
    "url" : "https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/molecule/RUSTSEC-2021-0103.md"
  }, {
    "type" : "WEB",
    "url" : "https://rustsec.org/advisories/RUSTSEC-2021-0103.html"
  } ],
  "database_specific" : {
    "cwe_ids" : [ ],
    "severity" : "CRITICAL",
    "github_reviewed" : true,
    "github_reviewed_at" : "2022-01-06T14:29:54Z",
    "nvd_published_at" : "2021-12-27T00:15:00Z"
  }
}

CVSS V3

9.8 CRITICAL