CNVD-2016-08126

Vulnerability from cnvd - Published: 2016-09-27
VLAI
Title
OpenSSL证书消息越界读取漏洞
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 1.0.2i和1.0.1u之前版本有时会缺少消息长度检查，导致读取分配缓冲区之外的2字节内容，存在拒绝服务攻击风险。受影响的消息为客户端证书，客户端证书请求及服务器证书。
Severity
低
Patch Name
OpenSSL证书消息越界读取漏洞的补丁
Patch 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 1.0.2i和1.0.1u之前版本有时会缺少消息长度检查，导致读取分配缓冲区之外的2字节内容，存在拒绝服务攻击风险。受影响的消息为客户端证书，客户端证书请求及服务器证书。
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://www.openssl.org/news/secadv/20160922.txt

Reference
https://www.openssl.org/news/secadv/20160922.txt http://www.securityfocus.com/bid/93153
Impacted products
Name
['OpenSSL OpenSSL <1.0.2i', 'OpenSSL OpenSSL <1.0.1u']
Show details on source website
To clipboard 

{
  "bids": {
    "bid": {
      "bidNumber": "93153"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2016-6306"
    }
  },
  "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 1.0.2i\u548c1.0.1u\u4e4b\u524d\u7248\u672c\u6709\u65f6\u4f1a\u7f3a\u5c11\u6d88\u606f\u957f\u5ea6\u68c0\u67e5\uff0c\u5bfc\u81f4\u8bfb\u53d6\u5206\u914d\u7f13\u51b2\u533a\u4e4b\u5916\u76842\u5b57\u8282\u5185\u5bb9\uff0c\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u653b\u51fb\u98ce\u9669\u3002\u53d7\u5f71\u54cd\u7684\u6d88\u606f\u4e3a\u5ba2\u6237\u7aef\u8bc1\u4e66\uff0c\u5ba2\u6237\u7aef\u8bc1\u4e66\u8bf7\u6c42\u53ca\u670d\u52a1\u5668\u8bc1\u4e66\u3002",
  "discovererName": "Shi Lei",
  "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://www.openssl.org/news/secadv/20160922.txt",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-08126",
  "openTime": "2016-09-27",
  "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 1.0.2i\u548c1.0.1u\u4e4b\u524d\u7248\u672c\u6709\u65f6\u4f1a\u7f3a\u5c11\u6d88\u606f\u957f\u5ea6\u68c0\u67e5\uff0c\u5bfc\u81f4\u8bfb\u53d6\u5206\u914d\u7f13\u51b2\u533a\u4e4b\u5916\u76842\u5b57\u8282\u5185\u5bb9\uff0c\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u653b\u51fb\u98ce\u9669\u3002\u53d7\u5f71\u54cd\u7684\u6d88\u606f\u4e3a\u5ba2\u6237\u7aef\u8bc1\u4e66\uff0c\u5ba2\u6237\u7aef\u8bc1\u4e66\u8bf7\u6c42\u53ca\u670d\u52a1\u5668\u8bc1\u4e66\u3002",
  "patchName": "OpenSSL\u8bc1\u4e66\u6d88\u606f\u8d8a\u754c\u8bfb\u53d6\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "OpenSSL OpenSSL  \u003c1.0.2i",
      "OpenSSL OpenSSL  \u003c1.0.1u"
    ]
  },
  "referenceLink": "https://www.openssl.org/news/secadv/20160922.txt\r\nhttp://www.securityfocus.com/bid/93153",
  "serverity": "\u4f4e",
  "submitTime": "2016-09-23",
  "title": "OpenSSL\u8bc1\u4e66\u6d88\u606f\u8d8a\u754c\u8bfb\u53d6\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

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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.



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