Vulnerability-Lookup

OESA-2024-2301 (CVE-2023-45236)

Vulnerability from osv_openeuler – Published: 2024-10-25 11:07 – Updated: 2026-08-06 11:07 – Source website

Summary

edk2 security update

Details

EDK II is a modern, feature-rich, cross-platform firmware development environment for the UEFI and PI specifications.

Security Fix(es):

EDK2's Network Package is susceptible to a predictable TCP Initial Sequence Number. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality.

(CVE-2023-45236)

(CVE-2023-45237)

Severity

7.5 (High)


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

References

URL

Type

	https://www.openeuler.org/zh/security/security-bu…	ADVISORY
	https://nvd.nist.gov/vuln/detail/CVE-2023-45236	ADVISORY
	https://nvd.nist.gov/vuln/detail/CVE-2023-45237	ADVISORY

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "aarch64": [
          "edk2-debuginfo-202011-22.oe2203sp4.aarch64.rpm",
          "edk2-debugsource-202011-22.oe2203sp4.aarch64.rpm",
          "edk2-devel-202011-22.oe2203sp4.aarch64.rpm"
        ],
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          "edk2-help-202011-22.oe2203sp4.noarch.rpm",
          "edk2-ovmf-202011-22.oe2203sp4.noarch.rpm",
          "python3-edk2-devel-202011-22.oe2203sp4.noarch.rpm"
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        "src": [
          "edk2-202011-22.oe2203sp4.src.rpm"
        ],
        "x86_64": [
          "edk2-debuginfo-202011-22.oe2203sp4.x86_64.rpm",
          "edk2-debugsource-202011-22.oe2203sp4.x86_64.rpm",
          "edk2-devel-202011-22.oe2203sp4.x86_64.rpm"
        ]
      },
      "package": {
        "ecosystem": "openEuler:22.03-LTS-SP4",
        "name": "edk2",
        "purl": "pkg:rpm/openEuler/edk2\u0026distro=openEuler-22.03-LTS-SP4"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "202011-22.oe2203sp4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {
        "aarch64": [
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          "edk2-debugsource-202011-23.oe2203sp3.aarch64.rpm",
          "edk2-devel-202011-23.oe2203sp3.aarch64.rpm"
        ],
        "noarch": [
          "edk2-aarch64-202011-23.oe2203sp3.noarch.rpm",
          "edk2-help-202011-23.oe2203sp3.noarch.rpm",
          "edk2-ovmf-202011-23.oe2203sp3.noarch.rpm",
          "python3-edk2-devel-202011-23.oe2203sp3.noarch.rpm"
        ],
        "src": [
          "edk2-202011-23.oe2203sp3.src.rpm"
        ],
        "x86_64": [
          "edk2-debuginfo-202011-23.oe2203sp3.x86_64.rpm",
          "edk2-debugsource-202011-23.oe2203sp3.x86_64.rpm",
          "edk2-devel-202011-23.oe2203sp3.x86_64.rpm"
        ]
      },
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        "ecosystem": "openEuler:22.03-LTS-SP3",
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        "purl": "pkg:rpm/openEuler/edk2\u0026distro=openEuler-22.03-LTS-SP3"
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    },
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    "severity": "High"
  },
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  "id": "OESA-2024-2301",
  "modified": "2026-08-06T11:07:46Z",
  "published": "2024-10-25T11:07:46Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2024-2301"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-45236"
    },
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    }
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  "severity": [
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      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "edk2 security update",
  "upstream": [
    "CVE-2023-45236",
    "CVE-2023-45237"
  ]
}

CVE-2023-45236 (GCVE-0-2023-45236)

Vulnerability from cvelistv5 – Published: 2024-01-16 16:10 – Updated: 2025-11-04 18:17

Title

Predictable TCP ISNs in EDK II Network Package

Summary

Severity

5.8 (Medium)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-05-08 15:43 UTC

CWE

CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor

Assigner

TianoCore mitre root

References

4 references

URL	Tags
https://github.com/tianocore/edk2/security/adviso…
http://www.openwall.com/lists/oss-security/2024/01/16/2
https://security.netapp.com/advisory/ntap-2024030…
https://www.kb.cert.org/vuls/id/132380

Impacted products

1 product

Vendor	Product	Version
TianoCore	edk2	Affected: edk2-stable202308

Credits

Quarkslab Vulnerability Reports Team Doug Flick

Show details on NVD website

JSON

To clipboard

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CVE-2023-45237 (GCVE-0-2023-45237)

Vulnerability from cvelistv5 – Published: 2024-01-16 16:11 – Updated: 2025-11-04 18:17

Title

Use of a Weak PseudoRandom Number Generator in EDK II Network Package

Summary

Severity

5.3 (Medium)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-11-13 19:58 UTC

CWE

CWE-338 - Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)

Assigner

TianoCore mitre root

References

4 references

URL	Tags
https://github.com/tianocore/edk2/security/adviso…
http://www.openwall.com/lists/oss-security/2024/01/16/2
https://security.netapp.com/advisory/ntap-2024030…
https://www.kb.cert.org/vuls/id/132380

Impacted products

1 product

Vendor	Product	Version
TianoCore	edk2	Affected: edk2-stable202308

Credits

Quarkslab Vulnerability Reports Team Doug Flick

Show details on NVD website

JSON

To clipboard

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      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Use of a Weak PseudoRandom Number Generator in EDK II Network Package",
      "x_generator": {
        "engine": "Vulnogram 0.1.0-dev"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "65518388-201a-4f93-8712-366d21fe8d2c",
    "assignerShortName": "TianoCore",
    "cveId": "CVE-2023-45237",
    "datePublished": "2024-01-16T16:11:11.556Z",
    "dateReserved": "2023-10-05T20:48:19.879Z",
    "dateUpdated": "2025-11-04T18:17:42.321Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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

OESA-2024-2301 (CVE-2023-45236)

CVE-2023-45236 (GCVE-0-2023-45236)

CVE-2023-45237 (GCVE-0-2023-45237)

Tags

Sightings

Nomenclature

Related by attack behaviour