Vulnerability-Lookup

GHSA-X44X-R84W-8V67

Vulnerability from github – Published: 2020-09-09 18:45 – Updated: 2021-10-04 21:15

Summary

Lack of URL normalization may lead to authorization bypass when URL access rules are used

Details

Impact

When access rules are used inside a protected host, some URL encodings may bypass filtering system.

Patches

Version 0.5.2 includes a patch that fixes the vulnerability

Workarounds

No way for users to fix or remediate the vulnerability without upgrading

References

https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/issues/2290

For more information

If you have any questions or comments about this advisory: * Open an issue in this repository or LemonLDAP::NG GitLab * Email us at lemonldap-ng-users@ow2.org

Severity

6.5 (Medium)


                  
                    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Show details on source website

JSON

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{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "lemonldap-ng-handler"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.5.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2020-24660"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-287"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2020-09-09T18:42:35Z",
    "nvd_published_at": null,
    "severity": "MODERATE"
  },
  "details": "### Impact\nWhen access rules are used inside a protected host, some URL encodings may bypass filtering system.\n\n### Patches\nVersion 0.5.2 includes a patch that fixes the vulnerability\n\n### Workarounds\nNo way for users to fix or remediate the vulnerability without upgrading\n\n### References\nhttps://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/issues/2290\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Open an issue in [this repository](https://github.com/LemonLDAPNG/node-lemonldap-ng-handler/issues) or [LemonLDAP::NG GitLab](https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/issues)\n* Email us at [lemonldap-ng-users@ow2.org](mailto:lemonldap-ng-users@ow2.org)",
  "id": "GHSA-x44x-r84w-8v67",
  "modified": "2021-10-04T21:15:52Z",
  "published": "2020-09-09T18:45:55Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/LemonLDAPNG/node-lemonldap-ng-handler/security/advisories/GHSA-x44x-r84w-8v67"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-24660"
    },
    {
      "type": "WEB",
      "url": "https://github.com/LemonLDAPNG/node-lemonldap-ng-handler/commit/136aa83ed431462fa42ce17b7f9b24e056de06be"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/LemonLDAPNG/node-lemonldap-ng-handler"
    },
    {
      "type": "WEB",
      "url": "https://github.com/LemonLDAPNG/node-lemonldap-ng-handler/releases/tag/0.5.2"
    },
    {
      "type": "WEB",
      "url": "https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/issues/2290"
    },
    {
      "type": "WEB",
      "url": "https://snyk.io/vuln/SNYK-JS-NODELEMONLDAPNGHANDLER-655999"
    },
    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2020/dsa-4762"
    },
    {
      "type": "WEB",
      "url": "https://www.npmjs.com/package/lemonldap-ng-handler"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Lack of URL normalization may lead to authorization bypass when URL access rules are used"
}

CVE-2020-24660 (GCVE-0-2020-24660)

Vulnerability from cvelistv5 – Published: 2020-09-14 12:51 – Updated: 2024-08-04 15:19

Summary

An issue was discovered in LemonLDAP::NG through 2.0.8, when NGINX is used. An attacker may bypass URL-based access control to protected Virtual Hosts by submitting a non-normalized URI. This also affects versions before 0.5.2 of the "Lemonldap::NG handler for Node.js" package.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

4 references

URL	Tags
https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/…	x_refsource_MISC
https://www.debian.org/security/2020/dsa-4762	vendor-advisoryx_refsource_DEBIAN
https://github.com/LemonLDAPNG/node-lemonldap-ng-…	x_refsource_CONFIRM
https://github.com/LemonLDAPNG/node-lemonldap-ng-…	x_refsource_CONFIRM

Show details on NVD website

JSON

To clipboard

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          "dateUpdated": "2024-08-04T15:19:09.076Z",
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        "references": [
          {
            "tags": [
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            ],
            "url": "https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/issues/2290"
          },
          {
            "name": "DSA-4762",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
            ],
            "url": "https://www.debian.org/security/2020/dsa-4762"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
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            ],
            "url": "https://github.com/LemonLDAPNG/node-lemonldap-ng-handler/security/advisories/GHSA-x44x-r84w-8v67"
          },
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            ],
            "url": "https://github.com/LemonLDAPNG/node-lemonldap-ng-handler/releases/tag/0.5.2"
          }
        ],
        "title": "CVE Program Container"
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        }
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      "problemTypes": [
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          "url": "https://github.com/LemonLDAPNG/node-lemonldap-ng-handler/releases/tag/0.5.2"
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}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

GHSA-X44X-R84W-8V67

Impact

Patches

Workarounds

References

For more information

CVE-2020-24660 (GCVE-0-2020-24660)

Tags

Sightings

Nomenclature

Related by attack behaviour