Vulnerability-Lookup

CNVD-2019-02498

Vulnerability from cnvd - Published: 2019-01-23

Title

Knc Kerberized NetCat拒绝服务漏洞

Description

Kerberised NetCat 1.11-1之前版本中的‘read_packet’函数存在拒绝服务漏洞。远程攻击者可利用该漏洞造成拒绝服务（内存耗尽）。

Severity

中

Patch Name

Knc Kerberized NetCat拒绝服务漏洞的补丁

Patch Description

Kerberised NetCat 1.11-1之前版本中的‘read_packet’函数存在拒绝服务漏洞。远程攻击者可利用该漏洞造成拒绝服务（内存耗尽）。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

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://github.com/elric1/knc/commit/f237f3e09ecbaf59c897f5046538a7b1a3fa40c1

Reference

https://www.exploitalert.com/view-details.html?id=31603

Impacted products

Name
secure-endpoints Kerberised NetCat <1.11-1

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-9732"
    }
  },
  "description": "Kerberised NetCat 1.11-1\u4e4b\u524d\u7248\u672c\u4e2d\u7684\u2018read_packet\u2019\u51fd\u6570\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u5185\u5b58\u8017\u5c3d\uff09\u3002",
  "discovererName": "unknwon",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://github.com/elric1/knc/commit/f237f3e09ecbaf59c897f5046538a7b1a3fa40c1",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-02498",
  "openTime": "2019-01-23",
  "patchDescription": "Kerberised NetCat 1.11-1\u4e4b\u524d\u7248\u672c\u4e2d\u7684\u2018read_packet\u2019\u51fd\u6570\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u5185\u5b58\u8017\u5c3d\uff09\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": "Knc Kerberized NetCat\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "secure-endpoints Kerberised NetCat \u003c1.11-1"
  },
  "referenceLink": "https://www.exploitalert.com/view-details.html?id=31603",
  "serverity": "\u4e2d",
  "submitTime": "2018-12-04",
  "title": "Knc Kerberized NetCat\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2017-9732 (GCVE-0-2017-9732)

Vulnerability from cvelistv5 – Published: 2018-12-20 22:00 – Updated: 2024-08-05 17:18

Summary

The read_packet function in knc (Kerberised NetCat) before 1.11-1 is vulnerable to denial of service (memory exhaustion) that can be exploited remotely without authentication, possibly affecting another services running on the targeted host.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root Scorecard

References

4 references

URL	Tags
https://github.com/elric1/knc/commit/f237f3e09ecb…	x_refsource_CONFIRM
http://seclists.org/fulldisclosure/2018/Nov/65	mailing-listx_refsource_FULLDISC
http://packetstormsecurity.com/files/150534/knc-K…	x_refsource_MISC
https://github.com/irsl/knc-memory-exhaustion/	x_refsource_MISC

Date Public

2018-11-29 00:00

Show details on NVD website

JSON

To clipboard

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            ],
            "url": "https://github.com/elric1/knc/commit/f237f3e09ecbaf59c897f5046538a7b1a3fa40c1"
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            "url": "http://seclists.org/fulldisclosure/2018/Nov/65"
          },
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            "tags": [
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            "url": "http://packetstormsecurity.com/files/150534/knc-Kerberized-NetCat-Denial-Of-Service.html"
          },
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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.

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CNVD-2019-02498

CVE-2017-9732 (GCVE-0-2017-9732)

Tags

Sightings

Nomenclature

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