github - ghsa-qfr5-wjpw-q4c4

ghsa-qfr5-wjpw-q4c4

Vulnerability from github

Published

2022-06-19 00:00

Modified

2022-06-29 21:52

Severity ?

6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Summary

Denial of Service in python-ldap

Details

python-ldap before 3.4.0 is vulnerable to a denial of service when ldap.schema is used for untrusted schema definitions, because of a regular expression denial of service (ReDoS) flaw in the LDAP schema parser. By sending crafted regex input, a remote authenticated attacker could exploit this vulnerability to cause a denial of service condition.

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{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "python-ldap"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.4.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2021-46823"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-1333"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2022-06-20T22:36:32Z",
    "nvd_published_at": "2022-06-18T16:15:00Z",
    "severity": "MODERATE"
  },
  "details": "python-ldap before 3.4.0 is vulnerable to a denial of service when ldap.schema is used for untrusted schema definitions, because of a regular expression denial of service (ReDoS) flaw in the LDAP schema parser. By sending crafted regex input, a remote authenticated attacker could exploit this vulnerability to cause a denial of service condition.",
  "id": "GHSA-qfr5-wjpw-q4c4",
  "modified": "2022-06-29T21:52:17Z",
  "published": "2022-06-19T00:00:21Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/python-ldap/python-ldap/security/advisories/GHSA-r8wq-qrxc-hmcm"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-46823"
    },
    {
      "type": "WEB",
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/221507"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/python-ldap/python-ldap"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Denial of Service in python-ldap"
}

CVE-2021-46823 (GCVE-0-2021-46823)

Vulnerability from cvelistv5

Published

2022-06-18 15:27

Modified

2024-08-04 05:17

Severity ?

CWE

n/a

Summary

python-ldap before 3.4.0 is vulnerable to a denial of service when ldap.schema is used for untrusted schema definitions, because of a regular expression denial of service (ReDoS) flaw in the LDAP schema parser. By sending crafted regex input, a remote authenticated attacker could exploit this vulnerability to cause a denial of service condition.

References

URL

Tags

	https://github.com/python-ldap/python-ldap/security/advisories/GHSA-r8wq-qrxc-hmcm	x_refsource_MISC
	https://exchange.xforce.ibmcloud.com/vulnerabilities/221507	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

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}

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