CNVD-2016-00711

Vulnerability from cnvd - Published: 2016-02-01
VLAI
Title
OpenSSL加密算法破解漏洞
Description
OpenSSL是一个实现安全套接层和安全传输层协议的通用开源加密库，可支持多种加密算法，包括对称密码、哈希算法、安全散列算法等。 OpenSSL存在一处加密算法破解漏洞，当满足一定条件，攻击者可以通过服务器发送大量的握手请求，当有足够多的计算数据完成后，攻击者可以获取部分密钥值，并结合其结果与中国剩余定理最终推导出解密密钥。
Severity
高
Patch Name
OpenSSL加密算法破解漏洞的补丁
Patch Description
OpenSSL是一个实现安全套接层和安全传输层协议的通用开源加密库，可支持多种加密算法，包括对称密码、哈希算法、安全散列算法等。 OpenSSL存在一处加密算法破解漏洞，当满足一定条件，攻击者可以通过服务器发送大量的握手请求，当有足够多的计算数据完成后，攻击者可以获取部分密钥值，并结合其结果与中国剩余定理最终推导出解密密钥。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

厂商已发布了新版本修复该漏洞，请关注厂商主页下载： https://www.openssl.org/source https://www.openssl.org/news/vulnerabilities.html#y2016

Reference
https://www.openssl.org/news/vulnerabilities.html#y2016 http://arstechnica.com/security/2016/01/high-severity-bug-in-openssl-allows-attackers-to-decrypt-https-traffic/ http://intothesymmetry.blogspot.com/2016/01/openssl-key-recovery-attack-on-dh-small.html http://www.freebuf.com/vuls/95320.html
Impacted products
Name
['OpenSSL OpenSSL 1.0.2e', 'OpenSSL OpenSSL 1.0.2d', 'OpenSSL OpenSSL 1.0.2c', 'OpenSSL OpenSSL 1.0.2b', 'OpenSSL OpenSSL 1.0.2a', 'OpenSSL OpenSSL 1.0.2']
Show details on source website
To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2016-0701"
    }
  },
  "description": "OpenSSL\u662f\u4e00\u4e2a\u5b9e\u73b0\u5b89\u5168\u5957\u63a5\u5c42\u548c\u5b89\u5168\u4f20\u8f93\u5c42\u534f\u8bae\u7684\u901a\u7528\u5f00\u6e90\u52a0\u5bc6\u5e93\uff0c\u53ef\u652f\u6301\u591a\u79cd\u52a0\u5bc6\u7b97\u6cd5\uff0c\u5305\u62ec\u5bf9\u79f0\u5bc6\u7801\u3001\u54c8\u5e0c\u7b97\u6cd5\u3001\u5b89\u5168\u6563\u5217\u7b97\u6cd5\u7b49\u3002 \r\n\r\nOpenSSL\u5b58\u5728\u4e00\u5904\u52a0\u5bc6\u7b97\u6cd5\u7834\u89e3\u6f0f\u6d1e\uff0c\u5f53\u6ee1\u8db3\u4e00\u5b9a\u6761\u4ef6\uff0c\u653b\u51fb\u8005\u53ef\u4ee5\u901a\u8fc7\u670d\u52a1\u5668\u53d1\u9001\u5927\u91cf\u7684\u63e1\u624b\u8bf7\u6c42\uff0c\u5f53\u6709\u8db3\u591f\u591a\u7684\u8ba1\u7b97\u6570\u636e\u5b8c\u6210\u540e\uff0c\u653b\u51fb\u8005\u53ef\u4ee5\u83b7\u53d6\u90e8\u5206\u5bc6\u94a5\u503c\uff0c\u5e76\u7ed3\u5408\u5176\u7ed3\u679c\u4e0e\u4e2d\u56fd\u5269\u4f59\u5b9a\u7406\u6700\u7ec8\u63a8\u5bfc\u51fa\u89e3\u5bc6\u5bc6\u94a5\u3002",
  "discovererName": "OpenSSL",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u65b0\u7248\u672c\u4fee\u590d\u8be5\u6f0f\u6d1e\uff0c\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u4e0b\u8f7d\uff1a\r\nhttps://www.openssl.org/source\r\nhttps://www.openssl.org/news/vulnerabilities.html#y2016",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-00711",
  "openTime": "2016-02-01",
  "patchDescription": "OpenSSL\u662f\u4e00\u4e2a\u5b9e\u73b0\u5b89\u5168\u5957\u63a5\u5c42\u548c\u5b89\u5168\u4f20\u8f93\u5c42\u534f\u8bae\u7684\u901a\u7528\u5f00\u6e90\u52a0\u5bc6\u5e93\uff0c\u53ef\u652f\u6301\u591a\u79cd\u52a0\u5bc6\u7b97\u6cd5\uff0c\u5305\u62ec\u5bf9\u79f0\u5bc6\u7801\u3001\u54c8\u5e0c\u7b97\u6cd5\u3001\u5b89\u5168\u6563\u5217\u7b97\u6cd5\u7b49\u3002\r\n\r\nOpenSSL\u5b58\u5728\u4e00\u5904\u52a0\u5bc6\u7b97\u6cd5\u7834\u89e3\u6f0f\u6d1e\uff0c\u5f53\u6ee1\u8db3\u4e00\u5b9a\u6761\u4ef6\uff0c\u653b\u51fb\u8005\u53ef\u4ee5\u901a\u8fc7\u670d\u52a1\u5668\u53d1\u9001\u5927\u91cf\u7684\u63e1\u624b\u8bf7\u6c42\uff0c\u5f53\u6709\u8db3\u591f\u591a\u7684\u8ba1\u7b97\u6570\u636e\u5b8c\u6210\u540e\uff0c\u653b\u51fb\u8005\u53ef\u4ee5\u83b7\u53d6\u90e8\u5206\u5bc6\u94a5\u503c\uff0c\u5e76\u7ed3\u5408\u5176\u7ed3\u679c\u4e0e\u4e2d\u56fd\u5269\u4f59\u5b9a\u7406\u6700\u7ec8\u63a8\u5bfc\u51fa\u89e3\u5bc6\u5bc6\u94a5\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\u52a0\u5bc6\u7b97\u6cd5\u7834\u89e3\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "OpenSSL OpenSSL 1.0.2e",
      "OpenSSL OpenSSL  1.0.2d",
      "OpenSSL OpenSSL  1.0.2c",
      "OpenSSL OpenSSL  1.0.2b",
      "OpenSSL OpenSSL  1.0.2a",
      "OpenSSL OpenSSL  1.0.2"
    ]
  },
  "referenceLink": "https://www.openssl.org/news/vulnerabilities.html#y2016\r\nhttp://arstechnica.com/security/2016/01/high-severity-bug-in-openssl-allows-attackers-to-decrypt-https-traffic/ \r\nhttp://intothesymmetry.blogspot.com/2016/01/openssl-key-recovery-attack-on-dh-small.html \r\nhttp://www.freebuf.com/vuls/95320.html",
  "serverity": "\u9ad8",
  "submitTime": "2016-01-30",
  "title": "OpenSSL\u52a0\u5bc6\u7b97\u6cd5\u7834\u89e3\u6f0f\u6d1e"
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.


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.