CVE-2023-43618: Github.com/schollz/croc/v9 Croc Requires Senders To Provide Vulnerability

MODERATE
Advisory Identifier: GHSA-7mp6-929p-pqhj
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CVSS 5.3
CWE-311
Published
Advisory Summary

CVE-2023-43618 is a MODERATE (CVSS 5.3) croc requires senders to provide vulnerability (CWE-311: Missing Encryption of Sensitive Data) affecting Github.com/schollz/croc/v9 libraries in the Go ecosystem. The issue involves croc requires senders to provide local ip addresses in cleartext. Remediation is available by upgrading affected packages to version 9.6.16.

CVE-2023-43618 at a Glance

CVE Identifier CVE-2023-43618
GHSA Identifier GHSA-7mp6-929p-pqhj
Severity MODERATE
CVSS v3.1 Base Score 5.3
CWE Classification CWE-311: Missing Encryption of Sensitive Data
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-2023-43618

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-2023-43618, 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-311: Missing Encryption of Sensitive Data, where the product does not encrypt sensitive or critical information before storage or transmission. 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. The protocol requires a sender to provide its local IP addresses in cleartext via an `ips?` message.

CVE-2023-43618 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-2023-43618 NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-43618
Github.com/schollz/croc/v9 Source Repository REPOSITORY
https://github.com/schollz/croc/issues/597
Github.com/schollz/croc/v9 Source Repository REPOSITORY
https://github.com/schollz/croc/pull/700
Security Fix Commit FIX COMMIT
https://github.com/schollz/croc/commit/6f5f16aa1c16b1ec6f31fec35be15de466d9701b
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-2023-43618?
CVE-2023-43618 is a security vulnerability in Github.com/schollz/croc/v9 involving Croc requires senders to provide local IP addresses in cleartext under CWE-311: Missing Encryption of Sensitive Data.
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-2023-43618?
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-2023-43618?
CVE-2023-43618 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-2023-43618?
CVE-2023-43618 is classified under CWE-311: Missing Encryption of Sensitive Data (The product does not encrypt sensitive or critical information before storage or transmission.).
How can I check Go dependencies for CVE-2023-43618?
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-7mp6-929p-pqhj",
  "modified" : "2024-05-21T18:20:28Z",
  "published" : "2023-09-20T06:30:50Z",
  "aliases" : [ "CVE-2023-43618" ],
  "summary" : "Croc requires senders to provide local IP addresses in cleartext",
  "details" : "An issue was discovered in Croc before 9.6.16. The protocol requires a sender to provide its local IP addresses in cleartext via an `ips?` message.",
  "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-2023-43618"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/schollz/croc/issues/597"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/schollz/croc/pull/700"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/schollz/croc/commit/6f5f16aa1c16b1ec6f31fec35be15de466d9701b"
  }, {
    "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-311" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2023-09-21T17:00:05Z",
    "nvd_published_at" : "2023-09-20T06:15:10Z"
  }
}