Vulnerability-Lookup

GHSA-XCF7-RVMH-G6Q4

Vulnerability from github – Published: 2023-06-21 22:07 – Updated: 2025-07-28 15:55

Summary

`openssl` `X509VerifyParamRef::set_host` buffer over-read

Details

When this function was passed an empty string, openssl would attempt to call strlen on it, reading arbitrary memory until it reached a NUL byte.

Severity

4.5 (Medium)


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

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{
  "affected": [
    {
      "package": {
        "ecosystem": "crates.io",
        "name": "openssl"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0.10.0"
            },
            {
              "fixed": "0.10.55"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2023-53159"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-126"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2023-06-21T22:07:52Z",
    "nvd_published_at": null,
    "severity": "MODERATE"
  },
  "details": "When this function was passed an empty string, `openssl` would attempt to call `strlen` on it, reading arbitrary memory until it reached a NUL byte.",
  "id": "GHSA-xcf7-rvmh-g6q4",
  "modified": "2025-07-28T15:55:01Z",
  "published": "2023-06-21T22:07:52Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-53159"
    },
    {
      "type": "WEB",
      "url": "https://github.com/sfackler/rust-openssl/issues/1965"
    },
    {
      "type": "WEB",
      "url": "https://github.com/sfackler/rust-openssl/pull/1968"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/sfackler/rust-openssl"
    },
    {
      "type": "WEB",
      "url": "https://rustsec.org/advisories/RUSTSEC-2023-0044.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:L",
      "type": "CVSS_V3"
    }
  ],
  "summary": "`openssl` `X509VerifyParamRef::set_host` buffer over-read"
}

CVE-2023-53159 (GCVE-0-2023-53159)

Vulnerability from cvelistv5 – Published: 2025-07-28 00:00 – Updated: 2025-07-28 13:54

Summary

The openssl crate before 0.10.55 for Rust allows an out-of-bounds read via an empty string to X509VerifyParamRef::set_host.

Severity

4.5 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-07-28 13:54 UTC

CWE

CWE-126 - Buffer Over-read

Assigner

mitre mitre root

References

3 references

URL	Tags
https://rustsec.org/advisories/RUSTSEC-2023-0044.html
https://github.com/sfackler/rust-openssl/issues/1965
https://crates.io/crates/openssl

Impacted products

1 product

Vendor	Product	Version
sfackler	openssl	Affected: 0 , < 0.10.55 (semver)

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JSON

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-53159",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-07-28T13:54:18.222785Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-07-28T13:54:23.689Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "openssl",
          "vendor": "sfackler",
          "versions": [
            {
              "lessThan": "0.10.55",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The openssl crate before 0.10.55 for Rust allows an out-of-bounds read via an empty string to X509VerifyParamRef::set_host."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 4.5,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:L",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-126",
              "description": "CWE-126 Buffer Over-read",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-07-28T02:11:15.274Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://rustsec.org/advisories/RUSTSEC-2023-0044.html"
        },
        {
          "url": "https://github.com/sfackler/rust-openssl/issues/1965"
        },
        {
          "url": "https://crates.io/crates/openssl"
        }
      ],
      "x_generator": {
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  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2023-53159",
    "datePublished": "2025-07-28T00:00:00.000Z",
    "dateReserved": "2025-07-28T00:00:00.000Z",
    "dateUpdated": "2025-07-28T13:54:23.689Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

rustsec-2023-0044

Vulnerability from osv_rustsec

Published

2023-06-20 12:00

Modified

2025-10-28 06:02

Summary

`openssl` `X509VerifyParamRef::set_host` buffer over-read

Details

When this function was passed an empty string, openssl would attempt to call strlen on it, reading arbitrary memory until it reached a NUL byte.

References

URL

Type

	https://crates.io/crates/openssl	PACKAGE
	https://rustsec.org/advisories/RUSTSEC-2023-0044.html	ADVISORY
	https://github.com/sfackler/rust-openssl/issues/1965	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "database_specific": {
        "categories": [
          "memory-exposure"
        ],
        "cvss": null,
        "informational": null
      },
      "ecosystem_specific": {
        "affected_functions": null,
        "affects": {
          "arch": [],
          "functions": [
            "openssl::x509::verify::X509VerifyParamRef::set_host"
          ],
          "os": []
        }
      },
      "package": {
        "ecosystem": "crates.io",
        "name": "openssl",
        "purl": "pkg:cargo/openssl"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0.0.0-0"
            },
            {
              "fixed": "0.10.55"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "versions": []
    }
  ],
  "aliases": [
    "CVE-2023-53159",
    "GHSA-xcf7-rvmh-g6q4"
  ],
  "database_specific": {
    "license": "CC0-1.0"
  },
  "details": "When this function was passed an empty string, `openssl` would attempt to call `strlen` on it, reading arbitrary memory until it reached a NUL byte.",
  "id": "RUSTSEC-2023-0044",
  "modified": "2025-10-28T06:02:18Z",
  "published": "2023-06-20T12:00:00Z",
  "references": [
    {
      "type": "PACKAGE",
      "url": "https://crates.io/crates/openssl"
    },
    {
      "type": "ADVISORY",
      "url": "https://rustsec.org/advisories/RUSTSEC-2023-0044.html"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/sfackler/rust-openssl/issues/1965"
    }
  ],
  "related": [],
  "severity": [],
  "summary": "`openssl` `X509VerifyParamRef::set_host` buffer over-read"
}

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-XCF7-RVMH-G6Q4

CVE-2023-53159 (GCVE-0-2023-53159)

rustsec-2023-0044

Vulnerability from osv_rustsec

Tags

Sightings

Nomenclature

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