CVE-2023-1367: Alextselegidis/easyappointments Code Injection Vulnerability

HIGH
Advisory Identifier: GHSA-9qvw-fhj2-xqmv
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CVSS 7.3
CWE-94
Published
Advisory Summary

CVE-2023-1367 is a HIGH (CVSS 7.3) code injection vulnerability (CWE-94: Improper Control of Generation of Code ('Code Injection')) affecting Alextselegidis/easyappointments libraries in the Packagist ecosystem. The issue involves code injection in alextselegidis/easyappointments. Remediation is available by upgrading affected packages to version 1.5.0.

CVE-2023-1367 at a Glance

CVE Identifier CVE-2023-1367
GHSA Identifier GHSA-9qvw-fhj2-xqmv
Severity HIGH
CVSS v3.1 Base Score 7.3
CWE Classification CWE-94: Improper Control of Generation of Code ('Code Injection')
Affected Product Alextselegidis/easyappointments
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 7.3

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:L/A:L).

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 Low (I:L)
Availability Low (A:L)

How to Fix CVE-2023-1367

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

alextselegidis/easyappointments fixed: 1.5.0 
Upgrade alextselegidis/easyappointments to 1.5.0
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 alextselegidis/easyappointments

How to Check if You Are Affected

To determine whether your application is affected by CVE-2023-1367, inspect your project dependencies for Alextselegidis/easyappointments:

inspect dependencies for alextselegidis/easyappointments

Analyze the terminal output to locate any version of Alextselegidis/easyappointments in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 1.5.0), 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-94: Improper Control of Generation of Code ('Code Injection'), where the product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. In Alextselegidis/easyappointments, 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

Code Injection in GitHub repository alextselegidis/easyappointments prior to 1.5.0 due to unescaped output.

CVE-2023-1367 Affected Alextselegidis/easyappointments Versions

1 component(s)
Fixed Versions:
1.5.0
Product / Package Ecosystem Affected Versions Fixed Version
alextselegidis/easyappointments
 Packagist
< 1.5.0
1.5.0

References

NVD — CVE-2023-1367 NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-1367
Security Fix Commit FIX COMMIT
https://github.com/alextselegidis/easyappointments/commit/453c6e130229718680c91bef450db643a0f263e4
Alextselegidis/easyappointments Source Repository REPOSITORY
https://github.com/alextselegidis/easyappointments
huntr.dev/bounties/16bc74e2-1... WEB
https://huntr.dev/bounties/16bc74e2-1825-451f-bff7-bfdc1ea75cc2

Frequently Asked Questions

What is CVE-2023-1367?
CVE-2023-1367 is a security vulnerability in Alextselegidis/easyappointments involving Code Injection in alextselegidis/easyappointments under CWE-94: Improper Control of Generation of Code ('Code Injection').
Which Alextselegidis/easyappointments versions are affected?
Affected versions include releases prior to 1.5.0 across affected packages: alextselegidis/easyappointments.
What version fixes CVE-2023-1367?
Upgrading to 1.5.0 (or the latest patched release for your respective branch) resolves the vulnerability.
Is alextselegidis/easyappointments affected?
Yes, alextselegidis/easyappointments is affected in releases prior to 1.5.0. Upgrade your dependency to 1.5.0 or later.
What is the CVSS score of CVE-2023-1367?
CVE-2023-1367 has a CVSS v3.1 base score of 7.3 (HIGH) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
What CWE is associated with CVE-2023-1367?
CVE-2023-1367 is classified under CWE-94: Improper Control of Generation of Code ('Code Injection') (The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.).
How can I check Packagist dependencies for CVE-2023-1367?
Run the dependency tree command: 'inspect dependencies for alextselegidis/easyappointments'. 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-9qvw-fhj2-xqmv",
  "modified" : "2023-03-17T16:59:07Z",
  "published" : "2023-03-13T09:30:39Z",
  "aliases" : [ "CVE-2023-1367" ],
  "summary" : "Code Injection in alextselegidis/easyappointments",
  "details" : "Code Injection in GitHub repository alextselegidis/easyappointments prior to 1.5.0 due to unescaped output.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "alextselegidis/easyappointments"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "1.5.0"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2023-1367"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/alextselegidis/easyappointments/commit/453c6e130229718680c91bef450db643a0f263e4"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/alextselegidis/easyappointments"
  }, {
    "type" : "WEB",
    "url" : "https://huntr.dev/bounties/16bc74e2-1825-451f-bff7-bfdc1ea75cc2"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-94" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2023-03-13T20:43:54Z",
    "nvd_published_at" : "2023-03-13T09:15:00Z"
  }
}