cnvd-2016-01435
Vulnerability from cnvd
Title: OpenSSL SSLv2分治型会话密钥恢复漏洞
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 1.0.2, 1.0.1l, 1.0.0q, 0.9.8ze及更早版本中的s2_srvr.c未确保non-export密钥的clear-key-length为0存在安全漏洞，允许攻击者利用该漏洞导致分治法密钥恢复攻击。
Severity: 中
Patch Name: OpenSSL SSLv2分治型会话密钥恢复漏洞的补丁
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 1.0.2, 1.0.1l, 1.0.0q, 0.9.8ze及更早版本中的s2_srvr.c未确保non-export密钥的clear-key-length为0存在安全漏洞，允许攻击者利用该漏洞导致分治法密钥恢复攻击。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:
目前厂商已经发布了升级补丁以修复此安全问题，补丁获取链接： https://www.openssl.org/news/secadv/20160301.txt
Reference: https://www.openssl.org/news/secadv/20160301.txt
Impacted products
| Name | ['OpenSSL OpenSSL 1.0.2', 'OpenSSL OpenSSL 1.0.1', 'OpenSSL OpenSSL <= 0.9.8ze', 'OpenSSL OpenSSL <= 1.0.0q'] |
|---|
{
"bids": {
"bid": {
"bidNumber": "83743"
}
},
"cves": {
"cve": {
"cveNumber": "CVE-2016-0703"
}
},
"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 1.0.2, 1.0.1l, 1.0.0q, 0.9.8ze\u53ca\u66f4\u65e9\u7248\u672c\u4e2d\u7684s2_srvr.c\u672a\u786e\u4fddnon-export\u5bc6\u94a5\u7684clear-key-length\u4e3a0\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u5141\u8bb8\u653b\u51fb\u8005\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u5206\u6cbb\u6cd5\u5bc6\u94a5\u6062\u590d\u653b\u51fb\u3002",
"discovererName": "J. Alex Halderman,David Adrian",
"formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a \r\nhttps://www.openssl.org/news/secadv/20160301.txt",
"isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
"number": "CNVD-2016-01435",
"openTime": "2016-03-04",
"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 1.0.2, 1.0.1l, 1.0.0q, 0.9.8ze\u53ca\u66f4\u65e9\u7248\u672c\u4e2d\u7684s2_srvr.c\u672a\u786e\u4fddnon-export\u5bc6\u94a5\u7684clear-key-length\u4e3a0\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u5141\u8bb8\u653b\u51fb\u8005\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u5206\u6cbb\u6cd5\u5bc6\u94a5\u6062\u590d\u653b\u51fb\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 SSLv2\u5206\u6cbb\u578b\u4f1a\u8bdd\u5bc6\u94a5\u6062\u590d\u6f0f\u6d1e\u7684\u8865\u4e01",
"products": {
"product": [
"OpenSSL OpenSSL 1.0.2",
"OpenSSL OpenSSL 1.0.1",
"OpenSSL OpenSSL \u003c= 0.9.8ze",
"OpenSSL OpenSSL \u003c= 1.0.0q"
]
},
"referenceLink": "https://www.openssl.org/news/secadv/20160301.txt",
"serverity": "\u4e2d",
"submitTime": "2016-03-02",
"title": "OpenSSL SSLv2\u5206\u6cbb\u578b\u4f1a\u8bdd\u5bc6\u94a5\u6062\u590d\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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