Vulnerability-Lookup

CVE-2023-23762 (GCVE-0-2023-23762)

Vulnerability from cvelistv5 – Published: 2023-04-07 18:41 – Updated: 2025-02-10 15:20

Title

Incorrect comparison vulnerability in GitHub Enterprise Server leading to commit smuggling

Summary

An incorrect comparison vulnerability was identified in GitHub Enterprise Server that allowed commit smuggling by displaying an incorrect diff. To do so, an attacker would need write access to the repository and be able to correctly guess the target branch before it’s created by the code maintainer. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.9 and was fixed in versions 3.4.18, 3.5.15, 3.6.11, 3.7.8, and 3.8.1. This vulnerability was reported via the GitHub Bug Bounty program.

Severity

6.5 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-02-10 15:19 UTC

CWE

CWE-697 - Incorrect Comparison

Assigner

GitHub_P CNA under the mitre root

CNA scorecard B 83/100 over 28 records in the last 180 days details

References

5 references

URL	Tags
https://docs.github.com/en/enterprise-server@3.8/…
https://docs.github.com/en/enterprise-server@3.7/…
https://docs.github.com/en/enterprise-server@3.6/…
https://docs.github.com/en/enterprise-server@3.5/…
https://docs.github.com/en/enterprise-server@3.4/…

Impacted products

1 product

Vendor	Product	Version	CPE status
GitHub	Enterprise Server	Affected: 3.4.0 , ≤ 3.4.17 (semver) Affected: 3.5.0 , ≤ 3.5.14 (semver) Affected: 3.6.0 , ≤ 3.6.10 (semver) Affected: 3.7.0 , ≤ 3.7.7 (semver) Affected: 3.8.0 , < 3.8.1 (semver) Unaffected: 3.9.0	guessed

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}

FKIE_CVE-2023-23762

Vulnerability from fkie_nvd - Published: 2023-04-07 19:15 - Updated: 2026-06-17 05:37

Severity

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

Summary

References

URL	Tags
product-cna@github.com	https://docs.github.com/en/enterprise-server@3.4/admin/release-notes#3.4.18	Release Notes
product-cna@github.com	https://docs.github.com/en/enterprise-server@3.5/admin/release-notes#3.5.15	Release Notes
product-cna@github.com	https://docs.github.com/en/enterprise-server@3.6/admin/release-notes#3.6.11	Release Notes
product-cna@github.com	https://docs.github.com/en/enterprise-server@3.7/admin/release-notes#3.7.8	Release Notes
product-cna@github.com	https://docs.github.com/en/enterprise-server@3.8/admin/release-notes#3.8.1	Release Notes
af854a3a-2127-422b-91ae-364da2661108	https://docs.github.com/en/enterprise-server@3.4/admin/release-notes#3.4.18	Release Notes
af854a3a-2127-422b-91ae-364da2661108	https://docs.github.com/en/enterprise-server@3.5/admin/release-notes#3.5.15	Release Notes
af854a3a-2127-422b-91ae-364da2661108	https://docs.github.com/en/enterprise-server@3.6/admin/release-notes#3.6.11	Release Notes
af854a3a-2127-422b-91ae-364da2661108	https://docs.github.com/en/enterprise-server@3.7/admin/release-notes#3.7.8	Release Notes
af854a3a-2127-422b-91ae-364da2661108	https://docs.github.com/en/enterprise-server@3.8/admin/release-notes#3.8.1	Release Notes

Impacted products

Vendor	Product	Version
github	enterprise_server	*
github	enterprise_server	*
github	enterprise_server	*
github	enterprise_server	*
github	enterprise_server	3.8.0

JSON

To clipboard

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  "lastModified": "2026-06-17T05:37:52.517",
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GHSA-JV37-6F69-J8GW

Vulnerability from github – Published: 2023-07-06 19:24 – Updated: 2024-04-04 05:35

Details

Severity

5.3 (Medium)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2023-23762"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-697"
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    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2023-04-07T19:15:00Z",
    "severity": "MODERATE"
  },
  "details": "An incorrect comparison vulnerability was identified in GitHub Enterprise Server that allowed commit smuggling by displaying an incorrect diff. To do so, an attacker would need write access to the repository and be able to correctly guess the target branch before it\u2019s created by the code maintainer. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.9 and was fixed in versions 3.4.18, 3.5.15, 3.6.11, 3.7.8, and 3.8.1. This vulnerability was reported via the GitHub Bug Bounty program.",
  "id": "GHSA-jv37-6f69-j8gw",
  "modified": "2024-04-04T05:35:42Z",
  "published": "2023-07-06T19:24:13Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-23762"
    },
    {
      "type": "WEB",
      "url": "https://docs.github.com/en/enterprise-server@3.4/admin/release-notes#3.4.18"
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      "type": "CVSS_V3"
    }
  ]
}

GSD-2023-23762

Vulnerability from gsd - Updated: 2023-12-13 01:20

Details

Aliases

CVE-2023-23762

Aliases

CVE-2023-23762

JSON

To clipboard

{
  "GSD": {
    "alias": "CVE-2023-23762",
    "id": "GSD-2023-23762"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
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        "CVE-2023-23762"
      ],
      "details": "An incorrect comparison vulnerability was identified in GitHub Enterprise Server that allowed commit smuggling by displaying an incorrect diff. To do so, an attacker would need write access to the repository and be able to correctly guess the target branch before it\u2019s created by the code maintainer. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.9 and was fixed in versions 3.4.18, 3.5.15, 3.6.11, 3.7.8, and 3.8.1. This vulnerability was reported via the GitHub Bug Bounty program.",
      "id": "GSD-2023-23762",
      "modified": "2023-12-13T01:20:49.534262Z",
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            "url": "https://docs.github.com/en/enterprise-server@3.8/admin/release-notes#3.8.1"
          },
          {
            "name": "https://docs.github.com/en/enterprise-server@3.7/admin/release-notes#3.7.8",
            "refsource": "MISC",
            "url": "https://docs.github.com/en/enterprise-server@3.7/admin/release-notes#3.7.8"
          },
          {
            "name": "https://docs.github.com/en/enterprise-server@3.6/admin/release-notes#3.6.11",
            "refsource": "MISC",
            "url": "https://docs.github.com/en/enterprise-server@3.6/admin/release-notes#3.6.11"
          },
          {
            "name": "https://docs.github.com/en/enterprise-server@3.5/admin/release-notes#3.5.15",
            "refsource": "MISC",
            "url": "https://docs.github.com/en/enterprise-server@3.5/admin/release-notes#3.5.15"
          },
          {
            "name": "https://docs.github.com/en/enterprise-server@3.4/admin/release-notes#3.4.18",
            "refsource": "MISC",
            "url": "https://docs.github.com/en/enterprise-server@3.4/admin/release-notes#3.4.18"
          }
        ]
      },
      "source": {
        "discovery": "UNKNOWN"
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:github:enterprise_server:3.8.0:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:github:enterprise_server:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "3.7.8",
                "versionStartIncluding": "3.7.0",
                "vulnerable": true
              },
              {
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                "cpe_name": [],
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                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:github:enterprise_server:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "3.5.15",
                "versionStartIncluding": "3.5.0",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:github:enterprise_server:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "3.4.18",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "product-cna@github.com",
          "ID": "CVE-2023-23762"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "An incorrect comparison vulnerability was identified in GitHub Enterprise Server that allowed commit smuggling by displaying an incorrect diff. To do so, an attacker would need write access to the repository and be able to correctly guess the target branch before it\u2019s created by the code maintainer. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.9 and was fixed in versions 3.4.18, 3.5.15, 3.6.11, 3.7.8, and 3.8.1. This vulnerability was reported via the GitHub Bug Bounty program."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-697"
                }
              ]
            }
          ]
        },
        "references": {
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            {
              "name": "https://docs.github.com/en/enterprise-server@3.7/admin/release-notes#3.7.8",
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              "tags": [
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              ],
              "url": "https://docs.github.com/en/enterprise-server@3.7/admin/release-notes#3.7.8"
            },
            {
              "name": "https://docs.github.com/en/enterprise-server@3.4/admin/release-notes#3.4.18",
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            },
            {
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              "refsource": "MISC",
              "tags": [
                "Release Notes"
              ],
              "url": "https://docs.github.com/en/enterprise-server@3.6/admin/release-notes#3.6.11"
            },
            {
              "name": "https://docs.github.com/en/enterprise-server@3.5/admin/release-notes#3.5.15",
              "refsource": "MISC",
              "tags": [
                "Release Notes"
              ],
              "url": "https://docs.github.com/en/enterprise-server@3.5/admin/release-notes#3.5.15"
            },
            {
              "name": "https://docs.github.com/en/enterprise-server@3.8/admin/release-notes#3.8.1",
              "refsource": "MISC",
              "tags": [
                "Release Notes"
              ],
              "url": "https://docs.github.com/en/enterprise-server@3.8/admin/release-notes#3.8.1"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 1.6,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2023-04-13T19:17Z",
      "publishedDate": "2023-04-07T19:15Z"
    }
  }
}

WID-SEC-W-2023-0905

Vulnerability from csaf_certbund - Published: 2023-04-10 22:00 - Updated: 2023-04-10 22:00

Summary

Microsoft GitHub Enterprise: Mehrere Schwachstellen

Severity

Hoch

Scope

2 vulnerabilities in this advisory, including CVE-2023-23762.

CVE-2023-23762

Es existiert eine Schwachstelle in Microsoft GitHub Enterprise. Diese Anfälligkeit ist auf einen fehlerhaften Vergleich zurückzuführen und ermöglicht dadurch eine Umgehung von Sicherheitsvorkehrungen, welche zu einem Commit-Smuggling führt. Ein entfernter, authentisierter Angreifer kann diese Schwachstelle ausnutzen, um Sicherheitsvorkehrungen zu umgehen.

Open the full advisory

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

Sightings and recorded dates, grouped by day · UTC

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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.

Action not permitted

CVE-2023-23762 (GCVE-0-2023-23762)

FKIE_CVE-2023-23762

GHSA-JV37-6F69-J8GW

GSD-2023-23762

WID-SEC-W-2023-0905

Tags

Sightings

Nomenclature

Vulnerability timeline

Related by attack behaviour