cnvd-2016-08125
Vulnerability from cnvd
Title: OpenSSL dtls1_preprocess_fragment()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 1.1.0版本在过长消息长度检查之前为构造的消息分配了内存，这可使攻击者通过发送超大的消息，导致内存耗尽，拒绝服务。
Severity: 低
Patch Name: OpenSSL dtls1_preprocess_fragment()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 1.1.0版本在过长消息长度检查之前为构造的消息分配了内存，这可使攻击者通过发送超大的消息，导致内存耗尽，拒绝服务。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://www.openssl.org/news/secadv/20160922.txt
Reference: https://www.openssl.org/news/secadv/20160922.txt http://www.securityfocus.com/bid/93151
Impacted products
| Name | OpenSSL OpenSSL 1.1.0 |
|---|
{
"bids": {
"bid": {
"bidNumber": "93151"
}
},
"cves": {
"cve": {
"cveNumber": "CVE-2016-6308"
}
},
"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 1.1.0\u7248\u672c\u5728\u8fc7\u957f\u6d88\u606f\u957f\u5ea6\u68c0\u67e5\u4e4b\u524d\u4e3a\u6784\u9020\u7684\u6d88\u606f\u5206\u914d\u4e86\u5185\u5b58\uff0c\u8fd9\u53ef\u4f7f\u653b\u51fb\u8005\u901a\u8fc7\u53d1\u9001\u8d85\u5927\u7684\u6d88\u606f\uff0c\u5bfc\u81f4\u5185\u5b58\u8017\u5c3d\uff0c\u62d2\u7edd\u670d\u52a1\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-2016-08125",
"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 1.1.0\u7248\u672c\u5728\u8fc7\u957f\u6d88\u606f\u957f\u5ea6\u68c0\u67e5\u4e4b\u524d\u4e3a\u6784\u9020\u7684\u6d88\u606f\u5206\u914d\u4e86\u5185\u5b58\uff0c\u8fd9\u53ef\u4f7f\u653b\u51fb\u8005\u901a\u8fc7\u53d1\u9001\u8d85\u5927\u7684\u6d88\u606f\uff0c\u5bfc\u81f4\u5185\u5b58\u8017\u5c3d\uff0c\u62d2\u7edd\u670d\u52a1\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 dtls1_preprocess_fragment()\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
"products": {
"product": "OpenSSL OpenSSL 1.1.0"
},
"referenceLink": "https://www.openssl.org/news/secadv/20160922.txt\r\nhttp://www.securityfocus.com/bid/93151",
"serverity": "\u4f4e",
"submitTime": "2016-09-23",
"title": "OpenSSL dtls1_preprocess_fragment()\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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