CNVD-2015-01894

Vulnerability from cnvd - Published: 2015-03-23
VLAI
Title
OpenSSL 'EVP_DecodeUpdate'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存在拒绝服务漏洞。由于位于base64-decoding中crypto/evp/encode.c内的EVP_DecodeUpdate函数内的整数下溢。远程攻击者通过构造的base64数据触发缓冲区溢出，此漏洞可导致内存破坏及程序崩溃。
Severity
高
Patch Name
OpenSSL 'EVP_DecodeUpdate'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。 OpenSSL存在拒绝服务漏洞。由于位于base64-decoding中crypto/evp/encode.c内的EVP_DecodeUpdate函数内的整数下溢。远程攻击者通过构造的base64数据触发缓冲区溢出，此漏洞可导致内存破坏及程序崩溃。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/gitweb/?p=openssl.git;a=commit;h=d0666f289ac013094bbbf547bfbcd616199b7d2d

Reference
https://openssl.org/news/secadv_20150319.txt
Impacted products
Name
['OpenSSL OpenSSL < 1.0.0r', 'OpenSSL OpenSSL < 1.0.2a', 'OpenSSL OpenSSL < 0.9.8zf', 'OpenSSL OpenSSL < 1.0.1m']
Show details on source website
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{
  "bids": {
    "bid": {
      "bidNumber": "73228"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-0292"
    }
  },
  "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\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u7531\u4e8e\u4f4d\u4e8ebase64-decoding\u4e2dcrypto/evp/encode.c\u5185\u7684EVP_DecodeUpdate\u51fd\u6570\u5185\u7684\u6574\u6570\u4e0b\u6ea2\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u901a\u8fc7\u6784\u9020\u7684base64\u6570\u636e\u89e6\u53d1\u7f13\u51b2\u533a\u6ea2\u51fa\uff0c\u6b64\u6f0f\u6d1e\u53ef\u5bfc\u81f4\u5185\u5b58\u7834\u574f\u53ca\u7a0b\u5e8f\u5d29\u6e83\u3002",
  "discovererName": "David Ramos,Robert Dugal",
  "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/gitweb/?p=openssl.git;a=commit;h=d0666f289ac013094bbbf547bfbcd616199b7d2d",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-01894",
  "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\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u7531\u4e8e\u4f4d\u4e8ebase64-decoding\u4e2dcrypto/evp/encode.c\u5185\u7684EVP_DecodeUpdate\u51fd\u6570\u5185\u7684\u6574\u6570\u4e0b\u6ea2\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u901a\u8fc7\u6784\u9020\u7684base64\u6570\u636e\u89e6\u53d1\u7f13\u51b2\u533a\u6ea2\u51fa\uff0c\u6b64\u6f0f\u6d1e\u53ef\u5bfc\u81f4\u5185\u5b58\u7834\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 \u0027EVP_DecodeUpdate\u0027\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "OpenSSL  OpenSSL  \u003c 1.0.0r",
      "OpenSSL  OpenSSL  \u003c 1.0.2a",
      "OpenSSL  OpenSSL \u003c 0.9.8zf",
      "OpenSSL  OpenSSL  \u003c 1.0.1m"
    ]
  },
  "referenceLink": "https://openssl.org/news/secadv_20150319.txt",
  "serverity": "\u9ad8",
  "submitTime": "2015-03-20",
  "title": "OpenSSL \u0027EVP_DecodeUpdate\u0027\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}



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