Vulnerability-Lookup

CNVD-2023-32182

Vulnerability from cnvd - Published: 2023-04-27

Title

NTP缓冲区溢出漏洞（CNVD-2023-32182）

Description

NTP是nwtime开源的一个网络时间协议。 NTP 4.2.8p15版本存在缓冲区错误漏洞，该漏洞源于libntp/mstolfp.c的mstolfp在添加特殊字符时出现越界写入。远程攻击者可利用该漏洞执行任意代码。

Severity

中

Formal description

目前厂商暂未发布修复措施解决此安全问题，建议使用此软件的用户随时关注厂商主页或参考网址以获取解决办法： https://www.ntppool.org/zh/

Reference

https://nvd.nist.gov/vuln/detail/CVE-2023-26554

Impacted products

Name
Ntp Ntp 4.2.8 p15

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2023-26554",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2023-26554"
    }
  },
  "description": "NTP\u662fnwtime\u5f00\u6e90\u7684\u4e00\u4e2a\u7f51\u7edc\u65f6\u95f4\u534f\u8bae\u3002\n\nNTP 4.2.8p15\u7248\u672c\u5b58\u5728\u7f13\u51b2\u533a\u9519\u8bef\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8elibntp/mstolfp.c\u7684mstolfp\u5728\u6dfb\u52a0\u7279\u6b8a\u5b57\u7b26\u65f6\u51fa\u73b0\u8d8a\u754c\u5199\u5165\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u6267\u884c\u4efb\u610f\u4ee3\u7801\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u6682\u672a\u53d1\u5e03\u4fee\u590d\u63aa\u65bd\u89e3\u51b3\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u5efa\u8bae\u4f7f\u7528\u6b64\u8f6f\u4ef6\u7684\u7528\u6237\u968f\u65f6\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u6216\u53c2\u8003\u7f51\u5740\u4ee5\u83b7\u53d6\u89e3\u51b3\u529e\u6cd5\uff1a \r\nhttps://www.ntppool.org/zh/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2023-32182",
  "openTime": "2023-04-27",
  "products": {
    "product": "Ntp Ntp 4.2.8 p15"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2023-26554",
  "serverity": "\u4e2d",
  "submitTime": "2023-04-25",
  "title": "NTP\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2023-32182\uff09"
}

CVE-2023-26554 (GCVE-0-2023-26554)

Vulnerability from cvelistv5 – Published: 2023-04-11 00:00 – Updated: 2025-02-11 15:26

Summary

mstolfp in libntp/mstolfp.c in NTP 4.2.8p15 has an out-of-bounds write when adding a '\0' character. An adversary may be able to attack a client ntpq process, but cannot attack ntpd.

Severity

5.6 (Medium)


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

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-02-11 15:26 UTC

CWE

n/a
CWE-787 - Out-of-bounds Write

Assigner

mitre mitre root

References

2 references

URL	Tags
https://github.com/spwpun/ntp-4.2.8p15-cves/blob/…
https://github.com/spwpun/ntp-4.2.8p15-cves/issue…

Show details on NVD website

JSON

To clipboard

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        "providerMetadata": {
          "dateUpdated": "2024-08-02T11:53:54.436Z",
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            "tags": [
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            "url": "https://github.com/spwpun/ntp-4.2.8p15-cves/blob/main/CVE-2023-26554"
          },
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            "tags": [
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              "attackVector": "NETWORK",
              "availabilityImpact": "LOW",
              "baseScore": 5.6,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "LOW",
              "integrityImpact": "LOW",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L",
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                "options": [
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                "timestamp": "2025-02-11T15:26:09.398238Z",
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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    "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.
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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.
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CNVD-2023-32182

CVE-2023-26554 (GCVE-0-2023-26554)

Tags

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