cnvd-2016-02676
Vulnerability from cnvd
Title: OpenSSL EBCDIC越界读漏洞
Description:
OpenSSL是一个实现安全套接层和安全传输层协议的通用开源加密库，可支持多种加密算法，包括对称密码、哈希算法、安全散列算法等。
OpenSSL EBCDIC存在越界读漏洞。当程序使用EBCDIC系统X509_NAME_oneline（）函数，ASN1字符串超过1024字节可导致越界读，进而可导致在缓冲区返回任意堆栈的数据。
Severity: 低
Patch Name: OpenSSL EBCDIC越界读漏洞的补丁
Patch Description:
OpenSSL是一个实现安全套接层和安全传输层协议的通用开源加密库，可支持多种加密算法，包括对称密码、哈希算法、安全散列算法等。
OpenSSL EBCDIC存在越界读漏洞。当程序使用EBCDIC系统X509_NAME_oneline（）函数，ASN1字符串超过1024字节可导致越界读，进而可导致在缓冲区返回任意堆栈的数据。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:
厂商已发布升级程序修复该漏洞，请及时更新下载： https://www.openssl.org/news/vulnerabilities.html
Reference: https://www.openssl.org/news/secadv/20160503.txt
Impacted products
| Name | ['Openssl Openssl 1.0.1', 'OpenSSL OpenSSL 1.0.2'] |
|---|
{
"bids": {
"bid": {
"bidNumber": "89746"
}
},
"cves": {
"cve": {
"cveNumber": "CVE-2016-2176"
}
},
"description": "OpenSSL\u662f\u4e00\u4e2a\u5b9e\u73b0\u5b89\u5168\u5957\u63a5\u5c42\u548c\u5b89\u5168\u4f20\u8f93\u5c42\u534f\u8bae\u7684\u901a\u7528\u5f00\u6e90\u52a0\u5bc6\u5e93\uff0c\u53ef\u652f\u6301\u591a\u79cd\u52a0\u5bc6\u7b97\u6cd5\uff0c\u5305\u62ec\u5bf9\u79f0\u5bc6\u7801\u3001\u54c8\u5e0c\u7b97\u6cd5\u3001\u5b89\u5168\u6563\u5217\u7b97\u6cd5\u7b49\u3002\r\n\r\nOpenSSL EBCDIC\u5b58\u5728\u8d8a\u754c\u8bfb\u6f0f\u6d1e\u3002\u5f53\u7a0b\u5e8f\u4f7f\u7528EBCDIC\u7cfb\u7edfX509_NAME_oneline\uff08\uff09\u51fd\u6570\uff0cASN1\u5b57\u7b26\u4e32\u8d85\u8fc71024\u5b57\u8282\u53ef\u5bfc\u81f4\u8d8a\u754c\u8bfb\uff0c\u8fdb\u800c\u53ef\u5bfc\u81f4\u5728\u7f13\u51b2\u533a\u8fd4\u56de\u4efb\u610f\u5806\u6808\u7684\u6570\u636e\u3002",
"discovererName": "Guido Vranken",
"formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u7a0b\u5e8f\u4fee\u590d\u8be5\u6f0f\u6d1e\uff0c\u8bf7\u53ca\u65f6\u66f4\u65b0\u4e0b\u8f7d\uff1a\r\nhttps://www.openssl.org/news/vulnerabilities.html",
"isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
"number": "CNVD-2016-02676",
"openTime": "2016-05-04",
"patchDescription": "OpenSSL\u662f\u4e00\u4e2a\u5b9e\u73b0\u5b89\u5168\u5957\u63a5\u5c42\u548c\u5b89\u5168\u4f20\u8f93\u5c42\u534f\u8bae\u7684\u901a\u7528\u5f00\u6e90\u52a0\u5bc6\u5e93\uff0c\u53ef\u652f\u6301\u591a\u79cd\u52a0\u5bc6\u7b97\u6cd5\uff0c\u5305\u62ec\u5bf9\u79f0\u5bc6\u7801\u3001\u54c8\u5e0c\u7b97\u6cd5\u3001\u5b89\u5168\u6563\u5217\u7b97\u6cd5\u7b49\u3002\r\n\r\nOpenSSL EBCDIC\u5b58\u5728\u8d8a\u754c\u8bfb\u6f0f\u6d1e\u3002\u5f53\u7a0b\u5e8f\u4f7f\u7528EBCDIC\u7cfb\u7edfX509_NAME_oneline\uff08\uff09\u51fd\u6570\uff0cASN1\u5b57\u7b26\u4e32\u8d85\u8fc71024\u5b57\u8282\u53ef\u5bfc\u81f4\u8d8a\u754c\u8bfb\uff0c\u8fdb\u800c\u53ef\u5bfc\u81f4\u5728\u7f13\u51b2\u533a\u8fd4\u56de\u4efb\u610f\u5806\u6808\u7684\u6570\u636e\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 EBCDIC\u8d8a\u754c\u8bfb\u6f0f\u6d1e\u7684\u8865\u4e01",
"products": {
"product": [
"Openssl Openssl 1.0.1",
"OpenSSL OpenSSL 1.0.2"
]
},
"referenceLink": "https://www.openssl.org/news/secadv/20160503.txt",
"serverity": "\u4f4e",
"submitTime": "2016-05-04",
"title": "OpenSSL EBCDIC\u8d8a\u754c\u8bfb\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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