CNVD-2016-02680

Vulnerability from cnvd - Published: 2016-05-04
VLAI
Title
OpenSSL密文填塞漏洞
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存在密文填塞漏洞。中间人攻击者使用padding oracle攻击可对用户使用AES CBC与支持AES-NI服务器建立的加密的通信流量进行解密。
Severity
高
Patch Name
OpenSSL加密算法破解漏洞（CNVD-2016-02680）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存在加密算法破解漏洞。中间人攻击者使用padding oracle攻击可对用户使用AES CBC与支持AES-NI服务器建立的加密的通信流量进行解密。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

厂商已发布升级版本修复该漏洞，请及时下载更新： https://www.openssl.org/news/vulnerabilities.html

Reference
https://www.openssl.org/news/secadv/20160503.txt
Impacted products
Name
['Openssl Openssl 1.0.1', 'OpenSSL OpenSSL 1.0.2']
Show details on source website
To clipboard 

{
  "bids": {
    "bid": {
      "bidNumber": "89760"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2016-2107"
    }
  },
  "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\u5bc6\u6587\u586b\u585e\u6f0f\u6d1e\u3002\u4e2d\u95f4\u4eba\u653b\u51fb\u8005\u4f7f\u7528padding oracle\u653b\u51fb\u53ef\u5bf9\u7528\u6237\u4f7f\u7528AES CBC\u4e0e\u652f\u6301AES-NI\u670d\u52a1\u5668\u5efa\u7acb\u7684\u52a0\u5bc6\u7684\u901a\u4fe1\u6d41\u91cf\u8fdb\u884c\u89e3\u5bc6\u3002",
  "discovererName": "Juraj Somorovsky",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u7248\u672c\u4fee\u590d\u8be5\u6f0f\u6d1e\uff0c\u8bf7\u53ca\u65f6\u4e0b\u8f7d\u66f4\u65b0\uff1a\r\nhttps://www.openssl.org/news/vulnerabilities.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-02680",
  "openTime": "2016-05-04",
  "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\u52a0\u5bc6\u7b97\u6cd5\u7834\u89e3\u6f0f\u6d1e\u3002\u4e2d\u95f4\u4eba\u653b\u51fb\u8005\u4f7f\u7528padding oracle\u653b\u51fb\u53ef\u5bf9\u7528\u6237\u4f7f\u7528AES CBC\u4e0e\u652f\u6301AES-NI\u670d\u52a1\u5668\u5efa\u7acb\u7684\u52a0\u5bc6\u7684\u901a\u4fe1\u6d41\u91cf\u8fdb\u884c\u89e3\u5bc6\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\uff08CNVD-2016-02680\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Openssl Openssl 1.0.1",
      "OpenSSL OpenSSL  1.0.2"
    ]
  },
  "referenceLink": "https://www.openssl.org/news/secadv/20160503.txt",
  "serverity": "\u9ad8",
  "submitTime": "2016-05-04",
  "title": "OpenSSL\u5bc6\u6587\u586b\u585e\u6f0f\u6d1e"
}



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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.



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.