Vulnerability-Lookup

CNVD-2017-07346

Vulnerability from cnvd - Published: 2017-05-24

Title

LibreSSL TLS证书验证漏洞

Description

LibreSSL是安全套接层（SSL）和传输层安全（TLS）协议的开源实现。 LibreSSL TLS存在证书验证漏洞。远程攻击者可利用该漏洞依赖SSL_get_verify_result，导致LibreSSL缺乏TLS证书验证。

Severity

低

Patch Name

LibreSSL TLS证书验证漏洞的补丁

Patch Description

LibreSSL是安全套接层（SSL）和传输层安全（TLS）协议的开源实现。 LibreSSL TLS存在证书验证漏洞。远程攻击者可利用该漏洞依赖SSL_get_verify_result，导致LibreSSL缺乏TLS证书验证。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

用户可参考如下厂商提供的安全补丁以修复该漏洞： https://trac.nginx.org/nginx/ticket/1257

Reference

https://trac.nginx.org/nginx/ticket/1257 https://nvd.nist.gov/vuln/detail/CVE-2017-8301

Impacted products

Name
['LibreSSL LibreSSL 2.5.1', 'LibreSSL LibreSSL 2.5.2', 'LibreSSL LibreSSL 2.5.3']

Show details on source website

JSON

To clipboard

{
  "bids": {
    "bid": {
      "bidNumber": "98076"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-8301"
    }
  },
  "description": "LibreSSL\u662f\u5b89\u5168\u5957\u63a5\u5c42\uff08SSL\uff09\u548c\u4f20\u8f93\u5c42\u5b89\u5168\uff08TLS\uff09\u534f\u8bae\u7684\u5f00\u6e90\u5b9e\u73b0\u3002\r\n\r\nLibreSSL TLS\u5b58\u5728\u8bc1\u4e66\u9a8c\u8bc1\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u4f9d\u8d56SSL_get_verify_result\uff0c\u5bfc\u81f4LibreSSL\u7f3a\u4e4fTLS\u8bc1\u4e66\u9a8c\u8bc1\u3002",
  "discovererName": "jirutka",
  "formalWay": "\u7528\u6237\u53ef\u53c2\u8003\u5982\u4e0b\u5382\u5546\u63d0\u4f9b\u7684\u5b89\u5168\u8865\u4e01\u4ee5\u4fee\u590d\u8be5\u6f0f\u6d1e\uff1a\r\nhttps://trac.nginx.org/nginx/ticket/1257",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-07346",
  "openTime": "2017-05-24",
  "patchDescription": "LibreSSL\u662f\u5b89\u5168\u5957\u63a5\u5c42\uff08SSL\uff09\u548c\u4f20\u8f93\u5c42\u5b89\u5168\uff08TLS\uff09\u534f\u8bae\u7684\u5f00\u6e90\u5b9e\u73b0\u3002\r\n\r\nLibreSSL TLS\u5b58\u5728\u8bc1\u4e66\u9a8c\u8bc1\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u4f9d\u8d56SSL_get_verify_result\uff0c\u5bfc\u81f4LibreSSL\u7f3a\u4e4fTLS\u8bc1\u4e66\u9a8c\u8bc1\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": "LibreSSL TLS\u8bc1\u4e66\u9a8c\u8bc1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "LibreSSL LibreSSL  2.5.1",
      "LibreSSL LibreSSL  2.5.2",
      "LibreSSL LibreSSL 2.5.3"
    ]
  },
  "referenceLink": "https://trac.nginx.org/nginx/ticket/1257\r\nhttps://nvd.nist.gov/vuln/detail/CVE-2017-8301",
  "serverity": "\u4f4e",
  "submitTime": "2017-05-11",
  "title": "LibreSSL TLS\u8bc1\u4e66\u9a8c\u8bc1\u6f0f\u6d1e"
}

CVE-2017-8301 (GCVE-0-2017-8301)

Vulnerability from cvelistv5 – Published: 2017-04-27 17:00 – Updated: 2024-08-05 16:34

Summary

LibreSSL 2.5.1 to 2.5.3 lacks TLS certificate verification if SSL_get_verify_result is relied upon for a later check of a verification result, in a use case where a user-provided verification callback returns 1, as demonstrated by acceptance of invalid certificates by nginx.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

4 references

URL	Tags
http://seclists.org/oss-sec/2017/q2/145	x_refsource_MISC
https://github.com/libressl-portable/portable/iss…	x_refsource_CONFIRM
https://trac.nginx.org/nginx/ticket/1257	x_refsource_CONFIRM
http://www.securityfocus.com/bid/98076	vdb-entryx_refsource_BID

Date Public

2017-04-27 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.

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-2017-07346

CVE-2017-8301 (GCVE-0-2017-8301)

Tags

Sightings

Nomenclature

Related by attack behaviour