Vulnerability-Lookup

CNVD-2016-07881

Vulnerability from cnvd - Published: 2016-09-22

Title

Dropbear SSH格式字符串漏洞

Description

Dropbear是一个相对较小的SSH服务器和客户端。 Dropbear SSH存在格式字符串漏洞，允许攻击者在应用程序的上下文中执行任意代码。

Severity

高

Patch Name

Dropbear SSH格式字符串漏洞的补丁

Patch Description

Dropbear是一个相对较小的SSH服务器和客户端。 Dropbear SSH存在格式字符串漏洞，允许攻击者在应用程序的上下文中执行任意代码。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

目前该漏洞已在Dropbear 2016.74中修复，详情请关注厂商主页或有关网址： https://matt.ucc.asn.au/dropbear/

Reference

http://www.openwall.com/lists/oss-security/2016/09/15/2 http://www.securityfocus.com/bid/92974

Impacted products

Name
Dropbear SSH <2016.74

Show details on source website

JSON

To clipboard

{
  "bids": {
    "bid": {
      "bidNumber": "92974"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2016-7406"
    }
  },
  "description": "Dropbear\u662f\u4e00\u4e2a\u76f8\u5bf9\u8f83\u5c0f\u7684SSH\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u3002\r\n\r\nDropbear SSH\u5b58\u5728\u683c\u5f0f\u5b57\u7b26\u4e32\u6f0f\u6d1e\uff0c\u5141\u8bb8\u653b\u51fb\u8005\u5728\u5e94\u7528\u7a0b\u5e8f\u7684\u4e0a\u4e0b\u6587\u4e2d\u6267\u884c\u4efb\u610f\u4ee3\u7801\u3002",
  "discovererName": "Matt Johnston",
  "formalWay": "\u76ee\u524d\u8be5\u6f0f\u6d1e\u5df2\u5728Dropbear 2016.74\u4e2d\u4fee\u590d\uff0c\u8be6\u60c5\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u6216\u6709\u5173\u7f51\u5740\uff1a\r\nhttps://matt.ucc.asn.au/dropbear/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-07881",
  "openTime": "2016-09-22",
  "patchDescription": "Dropbear\u662f\u4e00\u4e2a\u76f8\u5bf9\u8f83\u5c0f\u7684SSH\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u3002\r\n\r\nDropbear SSH\u5b58\u5728\u683c\u5f0f\u5b57\u7b26\u4e32\u6f0f\u6d1e\uff0c\u5141\u8bb8\u653b\u51fb\u8005\u5728\u5e94\u7528\u7a0b\u5e8f\u7684\u4e0a\u4e0b\u6587\u4e2d\u6267\u884c\u4efb\u610f\u4ee3\u7801\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": "Dropbear SSH\u683c\u5f0f\u5b57\u7b26\u4e32\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Dropbear SSH \u003c2016.74"
  },
  "referenceLink": "http://www.openwall.com/lists/oss-security/2016/09/15/2\r\nhttp://www.securityfocus.com/bid/92974",
  "serverity": "\u9ad8",
  "submitTime": "2016-09-19",
  "title": "Dropbear SSH\u683c\u5f0f\u5b57\u7b26\u4e32\u6f0f\u6d1e"
}

CVE-2016-7406 (GCVE-0-2016-7406)

Vulnerability from cvelistv5 – Published: 2017-03-03 16:00 – Updated: 2025-11-04 16:09

Summary

Format string vulnerability in Dropbear SSH before 2016.74 allows remote attackers to execute arbitrary code via format string specifiers in the (1) username or (2) host argument.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

6 references

URL	Tags
https://security.gentoo.org/glsa/201702-23	vendor-advisoryx_refsource_GENTOO
http://www.securityfocus.com/bid/92974	vdb-entryx_refsource_BID
http://www.openwall.com/lists/oss-security/2016/09/15/2	mailing-listx_refsource_MLIST
https://bugzilla.redhat.com/show_bug.cgi?id=1376353	x_refsource_CONFIRM
https://secure.ucc.asn.au/hg/dropbear/rev/b66a483f3dcb	x_refsource_CONFIRM
http://seclists.org/fulldisclosure/2024/Aug/35

Date Public

2016-09-15 00:00

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.
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.