GHSA-X44X-R84W-8V67

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


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  • 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.