CVE-2018-8947: Rap2hpoutre/laravel log viewer Plaintext Storage Of Sensitive Information Vulnerability

HIGH
Advisory Identifier: GHSA-63qj-p8gh-5xxx
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CVSS 7.5
CWE-312
Published
Advisory Summary

CVE-2018-8947 is a HIGH (CVSS 7.5) plaintext storage of sensitive information vulnerability (CWE-312: Cleartext Storage of Sensitive Information) affecting Rap2hpoutre/laravel log viewer libraries in the Packagist ecosystem. The issue involves plaintext storage of sensitive information in laravel log viewer before v0.13.0. Remediation is available by upgrading affected packages to version 0.13.0.

CVE-2018-8947 at a Glance

CVE Identifier CVE-2018-8947
GHSA Identifier GHSA-63qj-p8gh-5xxx
Severity HIGH
CVSS v3.1 Base Score 7.5
CWE Classification CWE-312: Cleartext Storage of Sensitive Information
Affected Product Rap2hpoutre/laravel log viewer
Package Ecosystem Packagist
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:3.0/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-2018-8947

To remediate this vulnerability, upgrade all affected Rap2hpoutre/laravel log viewer dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

rap2hpoutre/laravel-log-viewer fixed: 0.13.0 
Upgrade rap2hpoutre/laravel-log-viewer to 0.13.0
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 rap2hpoutre/laravel-log-viewer

How to Check if You Are Affected

To determine whether your application is affected by CVE-2018-8947, inspect your project dependencies for Rap2hpoutre/laravel log viewer:

inspect dependencies for rap2hpoutre/laravel-log-viewer

Analyze the terminal output to locate any version of Rap2hpoutre/laravel log viewer in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 0.13.0), 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-312: Cleartext Storage of Sensitive Information, where the product stores sensitive information in cleartext within a resource that might be accessible to another control sphere. In Rap2hpoutre/laravel log viewer, 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

rap2hpoutre Laravel Log Viewer before v0.13.0 relies on Base64 encoding for l, dl, and del requests, which makes it easier for remote attackers to bypass intended access restrictions, as demonstrated by reading arbitrary files via a dl request.

CVE-2018-8947 Affected Rap2hpoutre/laravel log viewer Versions

1 component(s)
Fixed Versions:
0.13.0
Product / Package Ecosystem Affected Versions Fixed Version
rap2hpoutre/laravel-log-viewer
 Packagist
< 0.13.0
0.13.0

References

NVD — CVE-2018-8947 NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-8947
Security Fix Commit FIX COMMIT
https://github.com/rap2hpoutre/laravel-log-viewer/commit/cda89c06dc5331d06fab863d7cb1c4047ad68357
Rap2hpoutre/laravel log viewer Release RELEASE
https://github.com/rap2hpoutre/laravel-log-viewer/releases/tag/v0.13.0
www.exploit-db.com/exploits/44343 WEB
https://www.exploit-db.com/exploits/44343

Frequently Asked Questions

What is CVE-2018-8947?
CVE-2018-8947 is a security vulnerability in Rap2hpoutre/laravel log viewer involving Plaintext Storage of Sensitive Information in Laravel Log Viewer before v0.13.0 under CWE-312: Cleartext Storage of Sensitive Information.
Which Rap2hpoutre/laravel log viewer versions are affected?
Affected versions include releases prior to 0.13.0 across affected packages: rap2hpoutre/laravel-log-viewer.
What version fixes CVE-2018-8947?
Upgrading to 0.13.0 (or the latest patched release for your respective branch) resolves the vulnerability.
Is rap2hpoutre/laravel-log-viewer affected?
Yes, rap2hpoutre/laravel-log-viewer is affected in releases prior to 0.13.0. Upgrade your dependency to 0.13.0 or later.
What is the CVSS score of CVE-2018-8947?
CVE-2018-8947 has a CVSS v3.1 base score of 7.5 (HIGH) with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
What CWE is associated with CVE-2018-8947?
CVE-2018-8947 is classified under CWE-312: Cleartext Storage of Sensitive Information (The product stores sensitive information in cleartext within a resource that might be accessible to another control sphere.).
How can I check Packagist dependencies for CVE-2018-8947?
Run the dependency tree command: 'inspect dependencies for rap2hpoutre/laravel-log-viewer'. 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-63qj-p8gh-5xxx",
  "modified" : "2023-07-06T23:31:29Z",
  "published" : "2022-05-13T01:53:50Z",
  "aliases" : [ "CVE-2018-8947" ],
  "summary" : "Plaintext Storage of Sensitive Information in Laravel Log Viewer before v0.13.0",
  "details" : "rap2hpoutre Laravel Log Viewer before v0.13.0 relies on Base64 encoding for l, dl, and del requests, which makes it easier for remote attackers to bypass intended access restrictions, as demonstrated by reading arbitrary files via a dl request.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "rap2hpoutre/laravel-log-viewer"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "0.13.0"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2018-8947"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/rap2hpoutre/laravel-log-viewer/commit/cda89c06dc5331d06fab863d7cb1c4047ad68357"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/rap2hpoutre/laravel-log-viewer/releases/tag/v0.13.0"
  }, {
    "type" : "WEB",
    "url" : "https://www.exploit-db.com/exploits/44343"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-312" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2023-07-06T23:31:29Z",
    "nvd_published_at" : "2018-03-25T16:29:00Z"
  }
}