CVE-2024-35312: Arti Tor Arti's STUB Circuits Incorrectly Vulnerability

HIGH
Advisory Identifier: GHSA-9328-gcfq-p269
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CVSS 7.5
CWE-754 CWE-670
Published
Advisory Summary

CVE-2024-35312 is a HIGH (CVSS 7.5) tor arti's stub circuits incorrectly vulnerability (CWE-754: Improper Check for Unusual or Exceptional Conditions) affecting Arti libraries in the crates.io ecosystem. The issue involves tor arti's stub circuits incorrectly have a length of 2. Remediation is available by upgrading affected packages to version 1.2.3, 0.18.1.

CVE-2024-35312 at a Glance

CVE Identifier CVE-2024-35312
GHSA Identifier GHSA-9328-gcfq-p269
Severity HIGH
CVSS v3.1 Base Score 7.5
CWE Classification CWE-754: Improper Check for Unusual or Exceptional Conditions
Affected Product Arti
Package Ecosystem crates.io
Published Date
Last Updated

Security Impact

CVSS: 7.5

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:N/A:N).

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 None (I:N)
Availability None (A:N)

How to Fix CVE-2024-35312

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

arti fixed: 1.2.3 
Upgrade arti to 1.2.3
tor-circmgr fixed: 0.18.1 
Upgrade tor-circmgr to 0.18.1
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 arti

How to Check if You Are Affected

To determine whether your application is affected by CVE-2024-35312, inspect your project dependencies for Arti:

inspect dependencies for arti

Analyze the terminal output to locate any version of Arti in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 1.2.3), 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 CWE-754: Improper Check for Unusual or Exceptional Conditions, where the product does not check or incorrectly checks for unusual or exceptional conditions that are not expected to occur frequently during day to day operation of the product. In Arti, 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

In Tor Arti before 1.2.3, STUB circuits incorrectly have a length of 2 (with lite vanguards), aka TROVE-2024-003.

CVE-2024-35312 Affected Arti Versions

2 component(s)
Fixed Versions:
1.2.30.18.1
Product / Package Ecosystem Affected Versions Fixed Version
arti
 crates.io
≥ 1.2.2
< 1.2.3
All 1 versions
1.2.2
1.2.3
tor-circmgr
 crates.io
≥ 0.18.0
< 0.18.1
All 1 versions
0.18.0
0.18.1

References

NVD — CVE-2024-35312 NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-35312
gitlab.torproject.org/tpo/core/arti PACKAGE
https://gitlab.torproject.org/tpo/core/arti
gitlab.torproject.org/tpo/core/arti/-/blo... WEB
https://gitlab.torproject.org/tpo/core/arti/-/blob/main/CHANGELOG.md#arti-123-15-may-2024
gitlab.torproject.org/tpo/core/arti/-/com... WEB
https://gitlab.torproject.org/tpo/core/arti/-/commit/da95138c14f762c706e46e89c6adfa46fcd5252c
gitlab.torproject.org/tpo/core/arti/-/iss... WEB
https://gitlab.torproject.org/tpo/core/arti/-/issues/1409
gitlab.torproject.org/tpo/core/arti/-/mer... WEB
https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/2145
gitlab.torproject.org/tpo/core/arti/-/mer... WEB
https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/2154
gitlab.torproject.org/tpo/core/arti/-/mer... WEB
https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/2156
gitlab.torproject.org/tpo/core/team/-/wik... WEB
https://gitlab.torproject.org/tpo/core/team/-/wikis/NetworkTeam/TROVE
rustsec.org/advisories/rustsec-... WEB
https://rustsec.org/advisories/RUSTSEC-2024-0339.html

Frequently Asked Questions

What is CVE-2024-35312?
CVE-2024-35312 is a security vulnerability in Arti involving Tor Arti's STUB circuits incorrectly have a length of 2 under CWE-754: Improper Check for Unusual or Exceptional Conditions.
Which Arti versions are affected?
Affected versions include releases prior to 1.2.3, 0.18.1 across affected packages: arti, tor-circmgr.
What version fixes CVE-2024-35312?
Upgrading to 1.2.3, 0.18.1 (or the latest patched release for your respective branch) resolves the vulnerability.
Is arti affected?
Yes, arti is affected in releases prior to 1.2.3. Upgrade your dependency to 1.2.3 or later.
Is tor-circmgr affected?
Yes, tor-circmgr is affected in releases prior to 0.18.1. Upgrade your dependency to 0.18.1 or later.
What is the CVSS score of CVE-2024-35312?
CVE-2024-35312 has a CVSS v3.1 base score of 7.5 (HIGH) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
What CWE is associated with CVE-2024-35312?
CVE-2024-35312 is classified under CWE-754: Improper Check for Unusual or Exceptional Conditions (The product does not check or incorrectly checks for unusual or exceptional conditions that are not expected to occur frequently during day to day operation of the product.).
How can I check crates.io dependencies for CVE-2024-35312?
Run the dependency tree command: 'inspect dependencies for arti'. 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-9328-gcfq-p269",
  "modified" : "2024-11-04T21:30:45Z",
  "published" : "2024-05-18T00:30:42Z",
  "aliases" : [ "CVE-2024-35312" ],
  "summary" : "Tor Arti's STUB circuits incorrectly have a length of 2",
  "details" : "In Tor Arti before 1.2.3, STUB circuits incorrectly have a length of 2 (with lite vanguards), aka TROVE-2024-003.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "crates.io",
      "name" : "arti"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "1.2.2"
      }, {
        "fixed" : "1.2.3"
      } ]
    } ],
    "versions" : [ "1.2.2" ]
  }, {
    "package" : {
      "ecosystem" : "crates.io",
      "name" : "tor-circmgr"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0.18.0"
      }, {
        "fixed" : "0.18.1"
      } ]
    } ],
    "versions" : [ "0.18.0" ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2024-35312"
  }, {
    "type" : "PACKAGE",
    "url" : "https://gitlab.torproject.org/tpo/core/arti"
  }, {
    "type" : "WEB",
    "url" : "https://gitlab.torproject.org/tpo/core/arti/-/blob/main/CHANGELOG.md#arti-123-15-may-2024"
  }, {
    "type" : "WEB",
    "url" : "https://gitlab.torproject.org/tpo/core/arti/-/commit/da95138c14f762c706e46e89c6adfa46fcd5252c"
  }, {
    "type" : "WEB",
    "url" : "https://gitlab.torproject.org/tpo/core/arti/-/issues/1409"
  }, {
    "type" : "WEB",
    "url" : "https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/2145"
  }, {
    "type" : "WEB",
    "url" : "https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/2154"
  }, {
    "type" : "WEB",
    "url" : "https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/2156"
  }, {
    "type" : "WEB",
    "url" : "https://gitlab.torproject.org/tpo/core/team/-/wikis/NetworkTeam/TROVE"
  }, {
    "type" : "WEB",
    "url" : "https://rustsec.org/advisories/RUSTSEC-2024-0339.html"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-670", "CWE-754" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2024-05-20T16:18:10Z",
    "nvd_published_at" : "2024-05-17T22:15:07Z"
  }
}