Vulnerability-Lookup

CNVD-2020-52889

Vulnerability from cnvd - Published: 2020-09-19

Title

InspIRCd空指针解引用漏洞

Description

InspIRCd是用于类UNIX系统和Windows系统的模块化C++互联网中继聊天(IRC)服务器。 nspIRCd 在2至2.0.28版本的和3至3.3.0版本中存在安全漏洞。攻击者可利用该漏洞任何能够连接到服务器的用户远程崩溃InspIRCd服务器。

Severity

中

Patch Name

InspIRCd空指针解引用漏洞的补丁

Patch Description

InspIRCd是用于类UNIX系统和Windows系统的模块化C++互联网中继聊天(IRC)服务器。 nspIRCd 在2至2.0.28版本的和3至3.3.0版本中存在安全漏洞。攻击者可利用该漏洞任何能够连接到服务器的用户远程崩溃InspIRCd服务器。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/inspircd/inspircd/commit/2cc35d8625b7ea5cbd1d1ebb116aff86c5280162

Reference

https://nvd.nist.gov/vuln/detail/CVE-2019-20917

Impacted products

Name
['InspIRCd InspIRCd 2.，<2.0.28', 'InspIRCd InspIRCd 3.，<3.3.0']

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-20917",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2019-20917"
    }
  },
  "description": "InspIRCd\u662f\u7528\u4e8e\u7c7bUNIX\u7cfb\u7edf\u548cWindows\u7cfb\u7edf\u7684\u6a21\u5757\u5316C++\u4e92\u8054\u7f51\u4e2d\u7ee7\u804a\u5929(IRC)\u670d\u52a1\u5668\u3002\n\nnspIRCd \u57282\u81f32.0.28\u7248\u672c\u7684\u548c3\u81f33.3.0\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u4efb\u4f55\u80fd\u591f\u8fde\u63a5\u5230\u670d\u52a1\u5668\u7684\u7528\u6237\u8fdc\u7a0b\u5d29\u6e83InspIRCd\u670d\u52a1\u5668\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/inspircd/inspircd/commit/2cc35d8625b7ea5cbd1d1ebb116aff86c5280162",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-52889",
  "openTime": "2020-09-19",
  "patchDescription": "InspIRCd\u662f\u7528\u4e8e\u7c7bUNIX\u7cfb\u7edf\u548cWindows\u7cfb\u7edf\u7684\u6a21\u5757\u5316C++\u4e92\u8054\u7f51\u4e2d\u7ee7\u804a\u5929(IRC)\u670d\u52a1\u5668\u3002\r\n\r\nnspIRCd \u57282\u81f32.0.28\u7248\u672c\u7684\u548c3\u81f33.3.0\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u4efb\u4f55\u80fd\u591f\u8fde\u63a5\u5230\u670d\u52a1\u5668\u7684\u7528\u6237\u8fdc\u7a0b\u5d29\u6e83InspIRCd\u670d\u52a1\u5668\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": "InspIRCd\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "InspIRCd InspIRCd 2.*\uff0c\u003c2.0.28",
      "InspIRCd InspIRCd 3.*\uff0c\u003c3.3.0"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2019-20917",
  "serverity": "\u4e2d",
  "submitTime": "2020-09-11",
  "title": "InspIRCd\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e"
}

CVE-2019-20917 (GCVE-0-2019-20917)

Vulnerability from cvelistv5 – Published: 2020-09-11 04:43 – Updated: 2024-08-05 03:00

Summary

An issue was discovered in InspIRCd 2 before 2.0.28 and 3 before 3.3.0. The mysql module contains a NULL pointer dereference when built against mariadb-connector-c 3.0.5 or newer. When combined with the sqlauth or sqloper modules, this vulnerability can be used for remote crashing of an InspIRCd server by any user able to connect to a server.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

5 references

URL	Tags
https://docs.inspircd.org/security/2019-02/	x_refsource_MISC
https://github.com/inspircd/inspircd/commit/2cc35…	x_refsource_MISC
https://github.com/inspircd/inspircd/commit/87456…	x_refsource_MISC
https://www.debian.org/security/2020/dsa-4764	vendor-advisoryx_refsource_DEBIAN
https://lists.debian.org/debian-lts-announce/2020…	mailing-listx_refsource_MLIST

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T03:00:18.872Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        "references": [
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            "tags": [
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              "x_transferred"
            ],
            "url": "https://docs.inspircd.org/security/2019-02/"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/inspircd/inspircd/commit/2cc35d8625b7ea5cbd1d1ebb116aff86c5280162"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/inspircd/inspircd/commit/8745660fcdac7c1b80c94cfc0ff60928cd4dd4b7"
          },
          {
            "name": "DSA-4764",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
            ],
            "url": "https://www.debian.org/security/2020/dsa-4764"
          },
          {
            "name": "[debian-lts-announce] 20200920 [SECURITY] [DLA 2375-1] inspircd security update",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2020/09/msg00015.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
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          "vendor": "n/a",
          "versions": [
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              "status": "affected",
              "version": "n/a"
            }
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        }
      ],
      "descriptions": [
        {
          "lang": "en",
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        }
      ],
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      "providerMetadata": {
        "dateUpdated": "2020-09-20T06:06:22.000Z",
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      "references": [
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        },
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          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/inspircd/inspircd/commit/2cc35d8625b7ea5cbd1d1ebb116aff86c5280162"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/inspircd/inspircd/commit/8745660fcdac7c1b80c94cfc0ff60928cd4dd4b7"
        },
        {
          "name": "DSA-4764",
          "tags": [
            "vendor-advisory",
            "x_refsource_DEBIAN"
          ],
          "url": "https://www.debian.org/security/2020/dsa-4764"
        },
        {
          "name": "[debian-lts-announce] 20200920 [SECURITY] [DLA 2375-1] inspircd security update",
          "tags": [
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            "x_refsource_MLIST"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2020/09/msg00015.html"
        }
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        "affects": {
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            }
          ]
        },
        "problemtype": {
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              "refsource": "MISC",
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            },
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              "url": "https://github.com/inspircd/inspircd/commit/8745660fcdac7c1b80c94cfc0ff60928cd4dd4b7"
            },
            {
              "name": "DSA-4764",
              "refsource": "DEBIAN",
              "url": "https://www.debian.org/security/2020/dsa-4764"
            },
            {
              "name": "[debian-lts-announce] 20200920 [SECURITY] [DLA 2375-1] inspircd security update",
              "refsource": "MLIST",
              "url": "https://lists.debian.org/debian-lts-announce/2020/09/msg00015.html"
            }
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    "state": "PUBLISHED"
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  "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.

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.

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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.

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CNVD-2020-52889

CVE-2019-20917 (GCVE-0-2019-20917)

Tags

Sightings

Nomenclature

Related by attack behaviour