Vulnerability-Lookup

CNVD-2025-18574

Vulnerability from cnvd - Published: 2025-08-15

Title

Open5GS缓冲区溢出漏洞（CNVD-2025-18574）

Description

Open5GS是Open5GS开源的一个5G Core和Epc的C语言开源实现，即Lte/Nr网络的核心网络。 Open5GS存在缓冲区溢出漏洞，该漏洞是由于pfcp库中的`ogs_pfcp_subnet_add`函数进行了不正确的边界检查造成的。目前没有详细的漏洞细节提供。

Severity

中

Patch Name

Open5GS缓冲区溢出漏洞（CNVD-2025-18574）的补丁

Patch Description

Open5GS是Open5GS开源的一个5G Core和Epc的C语言开源实现，即Lte/Nr网络的核心网络。 Open5GS存在缓冲区溢出漏洞，该漏洞是由于pfcp库中的`ogs_pfcp_subnet_add`函数进行了不正确的边界检查造成的。目前没有详细的漏洞细节提供。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://github.com/open5gs/open5gs/releases

Reference

https://gist.github.com/scemodicecosa/8643fbfc9490f40e955e9f9e9b0d9077

Impacted products

Name
Open5GS Open5GS <=2.7.2

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2025-44952",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2025-44952"
    }
  },
  "description": "Open5GS\u662fOpen5GS\u5f00\u6e90\u7684\u4e00\u4e2a5G Core\u548cEpc\u7684C\u8bed\u8a00\u5f00\u6e90\u5b9e\u73b0\uff0c\u5373Lte/Nr\u7f51\u7edc\u7684\u6838\u5fc3\u7f51\u7edc\u3002\n\nOpen5GS\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u662f\u7531\u4e8epfcp\u5e93\u4e2d\u7684`ogs_pfcp_subnet_add`\u51fd\u6570\u8fdb\u884c\u4e86\u4e0d\u6b63\u786e\u7684\u8fb9\u754c\u68c0\u67e5\u9020\u6210\u7684\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://github.com/open5gs/open5gs/releases",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2025-18574",
  "openTime": "2025-08-15",
  "patchDescription": "Open5GS\u662fOpen5GS\u5f00\u6e90\u7684\u4e00\u4e2a5G Core\u548cEpc\u7684C\u8bed\u8a00\u5f00\u6e90\u5b9e\u73b0\uff0c\u5373Lte/Nr\u7f51\u7edc\u7684\u6838\u5fc3\u7f51\u7edc\u3002\r\n\r\nOpen5GS\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u662f\u7531\u4e8epfcp\u5e93\u4e2d\u7684`ogs_pfcp_subnet_add`\u51fd\u6570\u8fdb\u884c\u4e86\u4e0d\u6b63\u786e\u7684\u8fb9\u754c\u68c0\u67e5\u9020\u6210\u7684\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Open5GS\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2025-18574\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Open5GS Open5GS \u003c=2.7.2"
  },
  "referenceLink": "https://gist.github.com/scemodicecosa/8643fbfc9490f40e955e9f9e9b0d9077",
  "serverity": "\u4e2d",
  "submitTime": "2025-06-23",
  "title": "Open5GS\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2025-18574\uff09"
}

CVE-2025-44952 (GCVE-0-2025-44952)

Vulnerability from cvelistv5 – Published: 2025-06-18 00:00 – Updated: 2025-06-20 12:45

Summary

A missing length check in `ogs_pfcp_subnet_add` function from PFCP library, used by both smf and upf in open5gs 2.7.2 and earlier, allows a local attacker to cause a Buffer Overflow by changing the `session.dnn` field with a value with length greater than 101.

Severity

7.8 (High)


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

SSVC

Exploitation: poc Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-06-18 18:23 UTC

CWE

n/a
CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Assigner

mitre mitre root Scorecard

References

3 references

URL	Tags
https://github.com/open5gs/open5gs/issues/3775
https://gist.github.com/scemodicecosa/8643fbfc949…
https://gist.github.com/scmdcs/8643fbfc9490f40e95…

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
              "baseScore": 7.8,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2025-44952",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-06-18T18:23:27.833348Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-120",
                "description": "CWE-120 Buffer Copy without Checking Size of Input (\u0027Classic Buffer Overflow\u0027)",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-06-18T18:24:08.247Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A missing length check in `ogs_pfcp_subnet_add` function from PFCP library, used by both smf and upf in open5gs 2.7.2 and earlier, allows a local attacker to cause a Buffer Overflow by changing the `session.dnn` field with a value with length greater than 101."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-06-20T12:45:49.898Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://github.com/open5gs/open5gs/issues/3775"
        },
        {
          "url": "https://gist.github.com/scemodicecosa/8643fbfc9490f40e955e9f9e9b0d9077"
        },
        {
          "url": "https://gist.github.com/scmdcs/8643fbfc9490f40e955e9f9e9b0d9077"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2025-44952",
    "datePublished": "2025-06-18T00:00:00.000Z",
    "dateReserved": "2025-04-22T00:00:00.000Z",
    "dateUpdated": "2025-06-20T12:45:49.898Z",
    "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.

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

CNVD-2025-18574

CVE-2025-44952 (GCVE-0-2025-44952)

Tags

Sightings

Nomenclature

Related by attack behaviour