Vulnerability-Lookup

CNVD-2017-37765

Vulnerability from cnvd - Published: 2017-12-21

Title

OpenLDAP拒绝服务漏洞（CNVD-2017-37765）

Description

OpenLDAP是美国OpenLDAP基金会的一个轻型目录访问协议（LDAP）的自由和开源实现，它已被包含在Linux发行版中。 OpenLDAP 2.4.45及之前的版本中的contrib/slapd-modules/nops/nops.c文件存在拒绝服务漏洞。当nops模块和memberof overlay被打开时，远程攻击者可利用该漏洞造成拒绝服务（slapd崩溃）。

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.openldap.org/

Reference

http://www.openldap.org/its/index.cgi/Incoming?id=8759

Impacted products

Name
OpenLDAP OpenLDAP <=2.4.45

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-17740"
    }
  },
  "description": "OpenLDAP\u662f\u7f8e\u56fdOpenLDAP\u57fa\u91d1\u4f1a\u7684\u4e00\u4e2a\u8f7b\u578b\u76ee\u5f55\u8bbf\u95ee\u534f\u8bae\uff08LDAP\uff09\u7684\u81ea\u7531\u548c\u5f00\u6e90\u5b9e\u73b0\uff0c\u5b83\u5df2\u88ab\u5305\u542b\u5728Linux\u53d1\u884c\u7248\u4e2d\u3002\r\n\r\nOpenLDAP 2.4.45\u53ca\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u7684contrib/slapd-modules/nops/nops.c\u6587\u4ef6\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u5f53nops\u6a21\u5757\u548cmemberof overlay\u88ab\u6253\u5f00\u65f6\uff0c\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08slapd\u5d29\u6e83\uff09\u3002",
  "discovererName": "zhixu.liu@gmail.com",
  "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.openldap.org/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-37765",
  "openTime": "2017-12-21",
  "products": {
    "product": "OpenLDAP OpenLDAP \u003c=2.4.45"
  },
  "referenceLink": "http://www.openldap.org/its/index.cgi/Incoming?id=8759",
  "serverity": "\u4e2d",
  "submitTime": "2017-12-20",
  "title": "OpenLDAP\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2017-37765\uff09"
}

CVE-2017-17740 (GCVE-0-2017-17740)

Vulnerability from cvelistv5 – Published: 2017-12-18 06:00 – Updated: 2024-08-05 20:59

Summary

contrib/slapd-modules/nops/nops.c in OpenLDAP through 2.4.45, when both the nops module and the memberof overlay are enabled, attempts to free a buffer that was allocated on the stack, which allows remote attackers to cause a denial of service (slapd crash) via a member MODDN operation.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root Scorecard

References

5 references

URL	Tags
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
https://www.oracle.com/security-alerts/cpuapr2022.html	x_refsource_MISC
http://www.openldap.org/its/index.cgi/Incoming?id=8759	x_refsource_MISC
https://kc.mcafee.com/corporate/index?page=conten…	x_refsource_CONFIRM

Date Public

2017-12-18 00:00

Show details on NVD website

JSON

To clipboard

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              "x_transferred"
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            "url": "http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00053.html"
          },
          {
            "name": "openSUSE-SU-2019:2176",
            "tags": [
              "vendor-advisory",
              "x_refsource_SUSE",
              "x_transferred"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00058.html"
          },
          {
            "tags": [
              "x_refsource_MISC",
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            ],
            "url": "https://www.oracle.com/security-alerts/cpuapr2022.html"
          },
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            "url": "http://www.openldap.org/its/index.cgi/Incoming?id=8759"
          },
          {
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              "x_transferred"
            ],
            "url": "https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10365"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
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          "versions": [
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      "datePublic": "2017-12-18T00:00:00.000Z",
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        }
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      "providerMetadata": {
        "dateUpdated": "2022-04-19T23:19:16.000Z",
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          "url": "https://www.oracle.com/security-alerts/cpuapr2022.html"
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  },
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}

Sightings

Author	Source	Type	Date	Other

Nomenclature

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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.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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Action not permitted

CNVD-2017-37765

CVE-2017-17740 (GCVE-0-2017-17740)

Tags

Sightings

Nomenclature

Related by attack behaviour