CVE-2023-43617: Github.com/schollz/croc/v9 Cros Secrets May Be Disclosed Vulnerability

MODERATE
Advisory Identifier: GHSA-hp56-xvf4-g6wr
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CVSS 5.3
CWE-200
Published
Advisory Summary

CVE-2023-43617 is a MODERATE (CVSS 5.3) cros secrets may be disclosed vulnerability (CWE-200: Exposure of Sensitive Information to an Unauthorized Actor) affecting Github.com/schollz/croc/v9 libraries in the Go ecosystem. The issue involves cros secrets may be disclosed to untrusted relay. Remediation is available by upgrading affected packages to version 9.6.16.

CVE-2023-43617 at a Glance

CVE Identifier CVE-2023-43617
GHSA Identifier GHSA-hp56-xvf4-g6wr
Severity MODERATE
CVSS v3.1 Base Score 5.3
CWE Classification CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
Affected Product Github.com/schollz/croc/v9
Package Ecosystem Go
Published Date
Last Updated

Security Impact

CVSS: 5.3

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:L/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 Low (C:L)
Integrity None (I:N)
Availability None (A:N)

How to Fix CVE-2023-43617

To remediate this vulnerability, upgrade all affected Github.com/schollz/croc/v9 dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

github.com/schollz/croc/v9 fixed: 9.6.16 
Upgrade github.com/schollz/croc/v9 to 9.6.16
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 github.com/schollz/croc/v9

How to Check if You Are Affected

To determine whether your application is affected by CVE-2023-43617, inspect your project dependencies for Github.com/schollz/croc/v9:

inspect dependencies for github.com/schollz/croc/v9

Analyze the terminal output to locate any version of Github.com/schollz/croc/v9 in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 9.6.16), 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-200: Exposure of Sensitive Information to an Unauthorized Actor, where the product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. In Github.com/schollz/croc/v9, 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

An issue was discovered in Croc before 9.6.16. When a custom shared secret is used, the sender and receiver may divulge parts of this secret to an untrusted Relay, as part of composing a room name.

CVE-2023-43617 Affected Github.com/schollz/croc/v9 Versions

1 component(s)
Fixed Versions:
9.6.16
Product / Package Ecosystem Affected Versions Fixed Version
github.com/schollz/croc/v9
golang/github.com/schollz/croc/v9
Go
< 9.6.16
9.6.16

References

NVD — CVE-2023-43617 NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-43617
Github.com/schollz/croc/v9 Source Repository REPOSITORY
https://github.com/schollz/croc/issues/596
Github.com/schollz/croc/v9 Source Repository REPOSITORY
https://github.com/schollz/croc/pull/699
Security Fix Commit FIX COMMIT
https://github.com/schollz/croc/commit/0f1ca436cd8e608738da0b23bf594537cfbe6213
Github.com/schollz/croc/v9 Source Repository REPOSITORY
https://github.com/schollz/croc
Github.com/schollz/croc/v9 Security Information SECURITY
https://www.openwall.com/lists/oss-security/2023/09/08/2
Github.com/schollz/croc/v9 Security Information SECURITY
http://www.openwall.com/lists/oss-security/2023/09/21/5

Frequently Asked Questions

What is CVE-2023-43617?
CVE-2023-43617 is a security vulnerability in Github.com/schollz/croc/v9 involving Cros secrets may be disclosed to untrusted relay under CWE-200: Exposure of Sensitive Information to an Unauthorized Actor.
Which Github.com/schollz/croc/v9 versions are affected?
Affected versions include releases prior to 9.6.16 across affected packages: github.com/schollz/croc/v9.
What version fixes CVE-2023-43617?
Upgrading to 9.6.16 (or the latest patched release for your respective branch) resolves the vulnerability.
Is github.com/schollz/croc/v9 affected?
Yes, github.com/schollz/croc/v9 is affected in releases prior to 9.6.16. Upgrade your dependency to 9.6.16 or later.
What is the CVSS score of CVE-2023-43617?
CVE-2023-43617 has a CVSS v3.1 base score of 5.3 (MODERATE) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
What CWE is associated with CVE-2023-43617?
CVE-2023-43617 is classified under CWE-200: Exposure of Sensitive Information to an Unauthorized Actor (The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.).
How can I check Go dependencies for CVE-2023-43617?
Run the dependency tree command: 'inspect dependencies for github.com/schollz/croc/v9'. 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-hp56-xvf4-g6wr",
  "modified" : "2024-05-21T18:19:30Z",
  "published" : "2023-09-20T06:30:50Z",
  "aliases" : [ "CVE-2023-43617" ],
  "summary" : "Cros secrets may be disclosed to untrusted relay",
  "details" : "An issue was discovered in Croc before 9.6.16. When a custom shared secret is used, the sender and receiver may divulge parts of this secret to an untrusted Relay, as part of composing a room name.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Go",
      "name" : "github.com/schollz/croc/v9"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "9.6.16"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2023-43617"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/schollz/croc/issues/596"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/schollz/croc/pull/699"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/schollz/croc/commit/0f1ca436cd8e608738da0b23bf594537cfbe6213"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/schollz/croc"
  }, {
    "type" : "WEB",
    "url" : "https://www.openwall.com/lists/oss-security/2023/09/08/2"
  }, {
    "type" : "WEB",
    "url" : "http://www.openwall.com/lists/oss-security/2023/09/21/5"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-200" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2023-09-21T17:00:11Z",
    "nvd_published_at" : "2023-09-20T06:15:10Z"
  }
}