Vulnerability-Lookup

CNVD-2020-25757

Vulnerability from cnvd - Published: 2020-04-29

Title

Ntop nDPI缓冲区溢出漏洞

Description

Ntop nDPI是意大利Ntop公司的一款用于深度数据包检查的开源库。 Ntop nDPI 3.2 Stable及之前版本中的ssh.c文件的‘concat_hash_string’函数存在缓冲区溢出漏洞，攻击者可借助格式错误的SSH协议消息利用该漏洞造成拒绝服务。

Severity

中

Patch Name

Ntop nDPI缓冲区溢出漏洞的补丁

Patch Description

Ntop nDPI是意大利Ntop公司的一款用于深度数据包检查的开源库。 Ntop nDPI 3.2 Stable及之前版本中的ssh.c文件的‘concat_hash_string’函数存在缓冲区溢出漏洞，攻击者可借助格式错误的SSH协议消息利用该漏洞造成拒绝服务。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/ntop/nDPI/commit/7ce478a58b4dd29a8d1e6f4e9df2f778613d9202

Reference

https://securitylab.github.com/advisories/GHSL-2020-051_052-ntop-ndpi

Impacted products

Name
Ntop nDPI <=3.2 Stable

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-11940"
    }
  },
  "description": "Ntop nDPI\u662f\u610f\u5927\u5229Ntop\u516c\u53f8\u7684\u4e00\u6b3e\u7528\u4e8e\u6df1\u5ea6\u6570\u636e\u5305\u68c0\u67e5\u7684\u5f00\u6e90\u5e93\u3002\n\nNtop nDPI 3.2 Stable\u53ca\u4e4b\u524d\u7248\u672c\u4e2d\u7684ssh.c\u6587\u4ef6\u7684\u2018concat_hash_string\u2019\u51fd\u6570\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u501f\u52a9\u683c\u5f0f\u9519\u8bef\u7684SSH\u534f\u8bae\u6d88\u606f\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\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/ntop/nDPI/commit/7ce478a58b4dd29a8d1e6f4e9df2f778613d9202",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-25757",
  "openTime": "2020-04-29",
  "patchDescription": "Ntop nDPI\u662f\u610f\u5927\u5229Ntop\u516c\u53f8\u7684\u4e00\u6b3e\u7528\u4e8e\u6df1\u5ea6\u6570\u636e\u5305\u68c0\u67e5\u7684\u5f00\u6e90\u5e93\u3002\r\n\r\nNtop nDPI 3.2 Stable\u53ca\u4e4b\u524d\u7248\u672c\u4e2d\u7684ssh.c\u6587\u4ef6\u7684\u2018concat_hash_string\u2019\u51fd\u6570\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u501f\u52a9\u683c\u5f0f\u9519\u8bef\u7684SSH\u534f\u8bae\u6d88\u606f\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\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": "Ntop nDPI\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Ntop nDPI \u003c=3.2 Stable"
  },
  "referenceLink": "https://securitylab.github.com/advisories/GHSL-2020-051_052-ntop-ndpi",
  "serverity": "\u4e2d",
  "submitTime": "2020-04-24",
  "title": "Ntop nDPI\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2020-11940 (GCVE-0-2020-11940)

Vulnerability from cvelistv5 – Published: 2020-04-23 14:20 – Updated: 2024-08-04 11:42

Summary

In nDPI through 3.2 Stable, an out-of-bounds read in concat_hash_string in ssh.c can be exploited by a network-positioned attacker that can send malformed SSH protocol messages on a network segment monitored by nDPI's library.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root Scorecard

References

2 references

URL	Tags
https://github.com/ntop/nDPI/commit/3bbb0cd329602…	x_refsource_MISC
https://securitylab.github.com/advisories/GHSL-20…	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

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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.
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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-2020-25757

CVE-2020-11940 (GCVE-0-2020-11940)

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