Vulnerability-Lookup

CNVD-2015-01896

Vulnerability from cnvd - Published: 2015-03-23

Title

OpenSSL 'ssl3_get_client_key_exchange'函数拒绝服务漏洞

Description

OpenSSL是一种开放源码的SSL实现，用来实现网络通信的高强度加密，现在被广泛地用于各种网络应用程序中。 OpenSSL 1.0.2版本存在拒绝服务漏洞。由于位于s3_srvr.c的ssl3_get_client_key_exchange函数实现内，在启用了客户端身份验证及临时Diffie-Hellman密码组后，远程攻击者通过长度为零的ClientKeyExchange消息利用此漏洞，导致程序崩溃。

Severity

低

Patch Name

OpenSSL 'ssl3_get_client_key_exchange'函数拒绝服务漏洞的补丁

Patch Description

Formal description

用户可参考如下供应商提供的安全公告获得补丁信息： https://openssl.org/news/secadv_20150319.txt hhttps://git.openssl.org/?p=openssl.git;a=commit;h=b19d8143212ae5fbc9cebfd51c01f802fabccd33

Reference

https://openssl.org/news/secadv_20150319.txt

Impacted products

Name
OpenSSL OpenSSL < 1.0.2a

Show details on source website

JSON

To clipboard

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  "bids": {
    "bid": [
      {
        "bidNumber": "73238"
      },
      {
        "bidNumber": "73238"
      }
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  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-1787"
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  "description": "OpenSSL\u662f\u4e00\u79cd\u5f00\u653e\u6e90\u7801\u7684SSL\u5b9e\u73b0\uff0c\u7528\u6765\u5b9e\u73b0\u7f51\u7edc\u901a\u4fe1\u7684\u9ad8\u5f3a\u5ea6\u52a0\u5bc6\uff0c\u73b0\u5728\u88ab\u5e7f\u6cdb\u5730\u7528\u4e8e\u5404\u79cd\u7f51\u7edc\u5e94\u7528\u7a0b\u5e8f\u4e2d\u3002\r\n\r\nOpenSSL 1.0.2\u7248\u672c\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u7531\u4e8e\u4f4d\u4e8es3_srvr.c\u7684ssl3_get_client_key_exchange\u51fd\u6570\u5b9e\u73b0\u5185\uff0c\u5728\u542f\u7528\u4e86\u5ba2\u6237\u7aef\u8eab\u4efd\u9a8c\u8bc1\u53ca\u4e34\u65f6Diffie-Hellman\u5bc6\u7801\u7ec4\u540e\uff0c\u8fdc\u7a0b\u653b\u51fb\u8005\u901a\u8fc7\u957f\u5ea6\u4e3a\u96f6\u7684ClientKeyExchange\u6d88\u606f\u5229\u7528\u6b64\u6f0f\u6d1e\uff0c\u5bfc\u81f4\u7a0b\u5e8f\u5d29\u6e83\u3002",
  "discovererName": "Matt Caswell",
  "formalWay": "\u7528\u6237\u53ef\u53c2\u8003\u5982\u4e0b\u4f9b\u5e94\u5546\u63d0\u4f9b\u7684\u5b89\u5168\u516c\u544a\u83b7\u5f97\u8865\u4e01\u4fe1\u606f\uff1a\r\nhttps://openssl.org/news/secadv_20150319.txt\r\nhhttps://git.openssl.org/?p=openssl.git;a=commit;h=b19d8143212ae5fbc9cebfd51c01f802fabccd33",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-01896",
  "openTime": "2015-03-23",
  "patchDescription": "OpenSSL\u662f\u4e00\u79cd\u5f00\u653e\u6e90\u7801\u7684SSL\u5b9e\u73b0\uff0c\u7528\u6765\u5b9e\u73b0\u7f51\u7edc\u901a\u4fe1\u7684\u9ad8\u5f3a\u5ea6\u52a0\u5bc6\uff0c\u73b0\u5728\u88ab\u5e7f\u6cdb\u5730\u7528\u4e8e\u5404\u79cd\u7f51\u7edc\u5e94\u7528\u7a0b\u5e8f\u4e2d\u3002 \r\n\r\nOpenSSL 1.0.2\u7248\u672c\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u7531\u4e8e\u4f4d\u4e8es3_srvr.c\u7684ssl3_get_client_key_exchange\u51fd\u6570\u5b9e\u73b0\u5185\uff0c\u5728\u542f\u7528\u4e86\u5ba2\u6237\u7aef\u8eab\u4efd\u9a8c\u8bc1\u53ca\u4e34\u65f6Diffie-Hellman\u5bc6\u7801\u7ec4\u540e\uff0c\u8fdc\u7a0b\u653b\u51fb\u8005\u901a\u8fc7\u957f\u5ea6\u4e3a\u96f6\u7684ClientKeyExchange\u6d88\u606f\u5229\u7528\u6b64\u6f0f\u6d1e\uff0c\u5bfc\u81f4\u7a0b\u5e8f\u5d29\u6e83\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": "OpenSSL \u0027ssl3_get_client_key_exchange\u0027\u51fd\u6570\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "OpenSSL  OpenSSL  \u003c 1.0.2a"
  },
  "referenceLink": "https://openssl.org/news/secadv_20150319.txt",
  "serverity": "\u4f4e",
  "submitTime": "2015-03-20",
  "title": "OpenSSL \u0027ssl3_get_client_key_exchange\u0027\u51fd\u6570\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2015-1787 (GCVE-0-2015-1787)

Vulnerability from cvelistv5 – Published: 2015-03-19 00:00 – Updated: 2024-08-06 04:54

Summary

The ssl3_get_client_key_exchange function in s3_srvr.c in OpenSSL 1.0.2 before 1.0.2a, when client authentication and an ephemeral Diffie-Hellman ciphersuite are enabled, allows remote attackers to cause a denial of service (daemon crash) via a ClientKeyExchange message with a length of zero.

Severity

No CVSS data available.

CWE

Assigner

redhat redhat root

References

17 references

URL	Tags
https://git.openssl.org/?p=openssl.git%3Ba=commit…
https://kc.mcafee.com/corporate/index?page=conten…
http://www.oracle.com/technetwork/topics/security…
http://marc.info/?l=bugtraq&m=144050155601375&w=2	vendor-advisory
https://bto.bluecoat.com/security-advisory/sa92
https://www.openssl.org/news/secadv_20150319.txt
http://www.oracle.com/technetwork/topics/security…
http://marc.info/?l=bugtraq&m=143748090628601&w=2	vendor-advisory
http://www.oracle.com/technetwork/topics/security…
https://bugzilla.redhat.com/show_bug.cgi?id=1202406
http://www.securityfocus.com/bid/73238	vdb-entry
http://www.oracle.com/technetwork/security-adviso…
http://www.oracle.com/technetwork/topics/security…
http://marc.info/?l=bugtraq&m=144050297101809&w=2	vendor-advisory
http://www.securitytracker.com/id/1031929	vdb-entry
https://security.gentoo.org/glsa/201503-11	vendor-advisory
https://cert-portal.siemens.com/productcert/pdf/s…

Date Public

2015-03-19 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.

Related by attack behaviour

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.