cnvd - cnvd-2020-03736

CNVD-2020-03736

Vulnerability from cnvd - Published: 2020-02-05

Title

libIEC61850整数符号错误漏洞

Description

libIEC61850是IEC 61850客户端和服务器库的开源（GPLv3）实现。 libIEC61850 1.4.0中的mms/iso_mms/common/mms_value.c中的MmsValue_newOctetString存在整数符号错误漏洞。攻击者可利用该漏洞导致过多的内存分配，从而可导致拒绝服务。

Severity

高

Formal description

厂商尚未提供漏洞修复方案，请关注厂商主页更新： https://github.com/mz-automation/libiec61850

Reference

https://nvd.nist.gov/vuln/detail/CVE-2019-19930

Impacted products

Name
libIEC61850 libIEC61850 1.4.0

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JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-19930",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2019-19930"
    }
  },
  "description": "libIEC61850\u662fIEC 61850\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u5e93\u7684\u5f00\u6e90\uff08GPLv3\uff09\u5b9e\u73b0\u3002\n\nlibIEC61850 1.4.0\u4e2d\u7684mms/iso_mms/common/mms_value.c\u4e2d\u7684MmsValue_newOctetString\u5b58\u5728\u6574\u6570\u7b26\u53f7\u9519\u8bef\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u8fc7\u591a\u7684\u5185\u5b58\u5206\u914d\uff0c\u4ece\u800c\u53ef\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002",
  "formalWay": "\u5382\u5546\u5c1a\u672a\u63d0\u4f9b\u6f0f\u6d1e\u4fee\u590d\u65b9\u6848\uff0c\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u66f4\u65b0\uff1a\r\nhttps://github.com/mz-automation/libiec61850",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-03736",
  "openTime": "2020-02-05",
  "products": {
    "product": "libIEC61850 libIEC61850 1.4.0"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2019-19930",
  "serverity": "\u9ad8",
  "submitTime": "2019-12-23",
  "title": "libIEC61850\u6574\u6570\u7b26\u53f7\u9519\u8bef\u6f0f\u6d1e"
}

CVE-2019-19930 (GCVE-0-2019-19930)

Vulnerability from cvelistv5 – Published: 2019-12-23 02:02 – Updated: 2024-08-05 02:32

Summary

In libIEC61850 1.4.0, MmsValue_newOctetString in mms/iso_mms/common/mms_value.c has an integer signedness error that can lead to an attempted excessive memory allocation.

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

https://github.com/mz-automation/libiec61850/issues/193

x_refsource_MISC

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JSON

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          "dateUpdated": "2024-08-05T02:32:10.462Z",
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              "x_transferred"
            ],
            "url": "https://github.com/mz-automation/libiec61850/issues/193"
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      "references": [
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          ],
          "url": "https://github.com/mz-automation/libiec61850/issues/193"
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      ],
      "x_legacyV4Record": {
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          "ID": "CVE-2019-19930",
          "STATE": "PUBLIC"
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  "cveMetadata": {
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Sightings

Author	Source	Type	Date

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.

Action not permitted

CNVD-2020-03736

CVE-2019-19930 (GCVE-0-2019-19930)

Tags

Sightings

Nomenclature