cnvd-2015-01888
Vulnerability from cnvd
Title
OpenSSL 'multi-block'功能拒绝服务漏洞
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。 支持AES NI的64位x86平台上，OpenSSL 1.0.2版本存在拒绝服务漏洞。此漏洞位于s3_pkt.c中ssl3_write_bytes函数的multi-block功能实现内，由于未能正确处理某些非块I/O情况，攻击者可以利用漏洞导致指针损坏及程序崩溃。
Severity
中
Patch Name
OpenSSL 'multi-block'功能拒绝服务漏洞的补丁
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。 支持AES NI的64位x86平台上，OpenSSL 1.0.2版本存在拒绝服务漏洞。此漏洞位于s3_pkt.c中ssl3_write_bytes函数的multi-block功能实现内，由于未能正确处理某些非块I/O情况，攻击者可以利用漏洞导致指针损坏及程序崩溃。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

用户可参考如下供应商提供的安全公告获得补丁信息： https://openssl.org/news/secadv_20150319.txt https://git.openssl.org/?p=openssl.git;a=commit;h=76343947ada960b6269090638f5391068daee88d

Reference
https://openssl.org/news/secadv_20150319.txt
Impacted products
Name
OpenSSL OpenSSL < 1.0.2a
Show details on source website

To clipboard 

{
  "bids": {
    "bid": {
      "bidNumber": "73226"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-0290"
    }
  },
  "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\n\u652f\u6301AES NI\u768464\u4f4dx86\u5e73\u53f0\u4e0a\uff0cOpenSSL 1.0.2\u7248\u672c\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u6b64\u6f0f\u6d1e\u4f4d\u4e8es3_pkt.c\u4e2dssl3_write_bytes\u51fd\u6570\u7684multi-block\u529f\u80fd\u5b9e\u73b0\u5185\uff0c\u7531\u4e8e\u672a\u80fd\u6b63\u786e\u5904\u7406\u67d0\u4e9b\u975e\u5757I/O\u60c5\u51b5\uff0c\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u6f0f\u6d1e\u5bfc\u81f4\u6307\u9488\u635f\u574f\u53ca\u7a0b\u5e8f\u5d29\u6e83\u3002",
  "discovererName": "Daniel Danner",
  "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\nhttps://git.openssl.org/?p=openssl.git;a=commit;h=76343947ada960b6269090638f5391068daee88d",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-01888",
  "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\n\u652f\u6301AES NI\u768464\u4f4dx86\u5e73\u53f0\u4e0a\uff0cOpenSSL 1.0.2\u7248\u672c\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u6b64\u6f0f\u6d1e\u4f4d\u4e8es3_pkt.c\u4e2dssl3_write_bytes\u51fd\u6570\u7684multi-block\u529f\u80fd\u5b9e\u73b0\u5185\uff0c\u7531\u4e8e\u672a\u80fd\u6b63\u786e\u5904\u7406\u67d0\u4e9b\u975e\u5757I/O\u60c5\u51b5\uff0c\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u6f0f\u6d1e\u5bfc\u81f4\u6307\u9488\u635f\u574f\u53ca\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 \u0027multi-block\u0027\u529f\u80fd\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": "\u4e2d",
  "submitTime": "2015-03-20",
  "title": "OpenSSL \u0027multi-block\u0027\u529f\u80fd\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}


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