Vulnerability-Lookup

GHSA-JPR7-Q523-HX25

Vulnerability from github – Published: 2023-11-27 18:31 – Updated: 2026-05-08 23:06

Withdrawn 2026-05-08

Summary

Duplicate Advisory: phpseclib vulnerable to denial of service

Details

Duplicate Advisory

This advisory has been withdrawn because it is a duplicate of GHSA-2f25-pfq3-c7h8. This link is maintained to preserve external references.

Original Description

In Math/BinaryField.php in phpseclib 3 before 3.0.34, excessively large degrees in binary fields can lead to a denial of service.

Severity

7.5 (High)


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

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{
  "affected": [
    {
      "package": {
        "ecosystem": "Packagist",
        "name": "phpseclib/phpseclib"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.0.0"
            },
            {
              "fixed": "3.0.34"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [],
  "database_specific": {
    "cwe_ids": [
      "CWE-400",
      "CWE-834"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2023-11-28T17:43:31Z",
    "nvd_published_at": "2023-11-27T18:15:07Z",
    "severity": "HIGH"
  },
  "details": "### Duplicate Advisory\nThis advisory has been withdrawn because it is a duplicate of GHSA-2f25-pfq3-c7h8. This link is maintained to preserve external references.\n\n### Original Description\nIn Math/BinaryField.php in phpseclib 3 before 3.0.34, excessively large degrees in binary fields can lead to a denial of service.",
  "id": "GHSA-jpr7-q523-hx25",
  "modified": "2026-05-08T23:06:39Z",
  "published": "2023-11-27T18:31:14Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-49316"
    },
    {
      "type": "WEB",
      "url": "https://github.com/phpseclib/phpseclib/commit/964d78101a70305df33f442f5490f0adb3b7e77f"
    },
    {
      "type": "WEB",
      "url": "https://github.com/FriendsOfPHP/security-advisories/blob/master/phpseclib/phpseclib/CVE-2023-49316.yaml"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-jpr7-q523-hx25"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/phpseclib/phpseclib"
    },
    {
      "type": "WEB",
      "url": "https://github.com/phpseclib/phpseclib/releases/tag/3.0.34"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Duplicate Advisory: phpseclib vulnerable to denial of service",
  "withdrawn": "2026-05-08T23:06:38Z"
}

CVE-2023-49316 (GCVE-0-2023-49316)

Vulnerability from cvelistv5 – Published: 2023-11-27 00:00 – Updated: 2024-08-02 21:53

Summary

In Math/BinaryField.php in phpseclib 3 before 3.0.34, excessively large degrees can lead to a denial of service.

Severity

No CVSS data available.

CWE

Assigner

mitre CNA under the mitre root

CNA scorecard E 28/100 over 2359 records in the last 180 days details

References

2 references

URL	Tags
https://github.com/phpseclib/phpseclib/commit/964…
https://github.com/phpseclib/phpseclib/releases/t…

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T21:53:45.335Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/phpseclib/phpseclib/commit/964d78101a70305df33f442f5490f0adb3b7e77f"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/phpseclib/phpseclib/releases/tag/3.0.34"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In Math/BinaryField.php in phpseclib 3 before 3.0.34, excessively large degrees can lead to a denial of service."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-11-30T03:15:13.625Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://github.com/phpseclib/phpseclib/commit/964d78101a70305df33f442f5490f0adb3b7e77f"
        },
        {
          "url": "https://github.com/phpseclib/phpseclib/releases/tag/3.0.34"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2023-49316",
    "datePublished": "2023-11-27T00:00:00.000Z",
    "dateReserved": "2023-11-26T00:00:00.000Z",
    "dateUpdated": "2024-08-02T21:53:45.335Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

Vulnerability timeline

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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.

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