CVE-2015-6926: Oxid esales/oxideshop ce OXID EShop User Impersonation Vulnerability Vulnerability

HIGH
Advisory Identifier: GHSA-4c39-hj99-5h2r
CVSS 7.5
CWE-287
Published
Advisory Summary

CVE-2015-6926 is a HIGH (CVSS 7.5) oxid eshop user impersonation vulnerability vulnerability (CWE-287: Improper Authentication) affecting Oxid esales/oxideshop ce libraries in the Packagist ecosystem. The issue involves oxid eshop user impersonation vulnerability. Remediation is available by upgrading affected packages to version 4.5.0.

CVE-2015-6926 at a Glance

CVE Identifier CVE-2015-6926
GHSA Identifier GHSA-4c39-hj99-5h2r
Severity HIGH
CVSS v3.1 Base Score 7.5
CWE Classification CWE-287: Improper Authentication
Affected Product Oxid esales/oxideshop ce
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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/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 None (C:N)
Integrity High (I:H)
Availability None (A:N)

How to Fix CVE-2015-6926

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

oxid-esales/oxideshop-ce fixed: 4.5.0
Upgrade oxid-esales/oxideshop-ce to 4.5.0
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 oxid-esales/oxideshop-ce

How to Check if You Are Affected

To determine whether your application is affected by CVE-2015-6926, inspect your project dependencies for Oxid esales/oxideshop ce:

inspect dependencies for oxid-esales/oxideshop-ce

Analyze the terminal output to locate any version of Oxid esales/oxideshop ce in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 4.5.0), 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-287: Improper Authentication, where when an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. In Oxid esales/oxideshop ce, 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

The OpenID Single Sign-On authentication functionality in OXID eShop before 4.5.0 allows remote attackers to impersonate users via the email address in a crafted authentication token.

CVE-2015-6926 Affected Oxid esales/oxideshop ce Versions

1 component(s)
Fixed Versions:
4.5.0
Product / Package Ecosystem Affected Versions Fixed Version
oxid-esales/oxideshop-ce
Packagist
< 4.5.0
4.5.0

References

Frequently Asked Questions

What is CVE-2015-6926?
CVE-2015-6926 is a security vulnerability in Oxid esales/oxideshop ce involving OXID eShop user impersonation vulnerability under CWE-287: Improper Authentication.
Which Oxid esales/oxideshop ce versions are affected?
Affected versions include releases prior to 4.5.0 across affected packages: oxid-esales/oxideshop-ce.
What version fixes CVE-2015-6926?
Upgrading to 4.5.0 (or the latest patched release for your respective branch) resolves the vulnerability.
Is oxid-esales/oxideshop-ce affected?
Yes, oxid-esales/oxideshop-ce is affected in releases prior to 4.5.0. Upgrade your dependency to 4.5.0 or later.
What is the CVSS score of CVE-2015-6926?
CVE-2015-6926 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:N/I:H/A:N.
What CWE is associated with CVE-2015-6926?
CVE-2015-6926 is classified under CWE-287: Improper Authentication (When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.).
How can I check Packagist dependencies for CVE-2015-6926?
Run the dependency tree command: 'inspect dependencies for oxid-esales/oxideshop-ce'. 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
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-4c39-hj99-5h2r",
  "modified" : "2023-12-07T21:15:15Z",
  "published" : "2022-05-13T01:12:09Z",
  "aliases" : [ "CVE-2015-6926" ],
  "summary" : "OXID eShop user impersonation vulnerability",
  "details" : "The OpenID Single Sign-On authentication functionality in OXID eShop before 4.5.0 allows remote attackers to impersonate users via the email address in a crafted authentication token.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "oxid-esales/oxideshop-ce"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "4.5.0"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2015-6926"
  }, {
    "type" : "WEB",
    "url" : "https://bugs.oxid-esales.com/view.php?id=6224"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/OXID-eSales/oxideshop_ce"
  }, {
    "type" : "WEB",
    "url" : "https://oxidforge.org/en/oxid-security-bulletin-2015-001.html"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-287" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2023-07-31T23:46:20Z",
    "nvd_published_at" : "2018-01-19T15:29:00Z"
  }
}