cnvd-2016-01462
Vulnerability from cnvd
Title: OpenSSL BN_hex2bn/BN_dec2bn空指针间接引用及堆破坏漏洞
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及更早版本、1.0.1及更早版本在函数BN_hex2bn/BN_dec2bn的实现上存在安全漏洞，允许攻击者利用此漏洞导致空指针间接引用及堆破坏等问题。
Severity: 高
Patch Name: OpenSSL BN_hex2bn/BN_dec2bn空指针间接引用及堆破坏漏洞的补丁
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及更早版本、1.0.1及更早版本在函数BN_hex2bn/BN_dec2bn的实现上存在安全漏洞，允许攻击者利用此漏洞导致空指针间接引用及堆破坏等问题。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'] |
|---|
{
"cves": {
"cve": {
"cveNumber": "CVE-2016-0797"
}
},
"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\u53ca\u66f4\u65e9\u7248\u672c\u30011.0.1\u53ca\u66f4\u65e9\u7248\u672c\u5728\u51fd\u6570BN_hex2bn/BN_dec2bn\u7684\u5b9e\u73b0\u4e0a\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u5141\u8bb8\u653b\u51fb\u8005\u5229\u7528\u6b64\u6f0f\u6d1e\u5bfc\u81f4\u7a7a\u6307\u9488\u95f4\u63a5\u5f15\u7528\u53ca\u5806\u7834\u574f\u7b49\u95ee\u9898\u3002",
"discovererName": "Emilia K\u00e4sper of the OpenSSL development team",
"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-2016-01462",
"openTime": "2016-03-07",
"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\u53ca\u66f4\u65e9\u7248\u672c\u30011.0.1\u53ca\u66f4\u65e9\u7248\u672c\u5728\u51fd\u6570BN_hex2bn/BN_dec2bn\u7684\u5b9e\u73b0\u4e0a\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u5141\u8bb8\u653b\u51fb\u8005\u5229\u7528\u6b64\u6f0f\u6d1e\u5bfc\u81f4\u7a7a\u6307\u9488\u95f4\u63a5\u5f15\u7528\u53ca\u5806\u7834\u574f\u7b49\u95ee\u9898\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 BN_hex2bn/BN_dec2bn\u7a7a\u6307\u9488\u95f4\u63a5\u5f15\u7528\u53ca\u5806\u7834\u574f\u6f0f\u6d1e\u7684\u8865\u4e01",
"products": {
"product": [
"OpenSSL OpenSSL 1.0.2",
"OpenSSL OpenSSL 1.0.1"
]
},
"referenceLink": "https://www.openssl.org/news/secadv/20160301.txt",
"serverity": "\u9ad8",
"submitTime": "2016-03-02",
"title": "OpenSSL BN_hex2bn/BN_dec2bn\u7a7a\u6307\u9488\u95f4\u63a5\u5f15\u7528\u53ca\u5806\u7834\u574f\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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