CNVD-2016-01769
Vulnerability from cnvd - Published: 2016-03-22
VLAI Severity ?
Title
OpenSSH xauth命令注入漏洞
Description
OpenSSH是SSH协议的开源实现。
OpenSSH <=7.2p1在实现上存在xauth命令注入漏洞.攻击者可利用有效的证书和建立转发会话的权限,绕过安全限制,向数据中注入shell命令。
Severity
高
Patch Name
OpenSSH xauth命令注入漏洞的补丁
Patch Description
OpenSSH是SSH协议的开源实现。
OpenSSH <=7.2p1在实现上存在xauth命令注入漏洞。攻击者可利用有效的证书和建立转发会话的权限,绕过安全限制,向数据中注入shell命令。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
用户可参考如下厂商提供的安全补丁以修复该漏洞: http://www.openssh.com/txt/x11fwd.adv
Reference
https://www.freebsd.org/security/advisories/FreeBSD-SA-16:14.openssh.asc
http://www.openssh.com/txt/x11fwd.adv
Impacted products
| Name | Openssh OpenSSH <7.1p2 |
|---|
{
"cves": {
"cve": {
"cveNumber": "CVE-2016-3115"
}
},
"description": "OpenSSH\u662fSSH\u534f\u8bae\u7684\u5f00\u6e90\u5b9e\u73b0\u3002\r\n\r\nOpenSSH \u003c=7.2p1\u5728\u5b9e\u73b0\u4e0a\u5b58\u5728xauth\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e.\u653b\u51fb\u8005\u53ef\u5229\u7528\u6709\u6548\u7684\u8bc1\u4e66\u548c\u5efa\u7acb\u8f6c\u53d1\u4f1a\u8bdd\u7684\u6743\u9650\uff0c\u7ed5\u8fc7\u5b89\u5168\u9650\u5236\uff0c\u5411\u6570\u636e\u4e2d\u6ce8\u5165shell\u547d\u4ee4\u3002",
"discovererName": "OpenSSH",
"formalWay": "\u7528\u6237\u53ef\u53c2\u8003\u5982\u4e0b\u5382\u5546\u63d0\u4f9b\u7684\u5b89\u5168\u8865\u4e01\u4ee5\u4fee\u590d\u8be5\u6f0f\u6d1e\uff1a\r\nhttp://www.openssh.com/txt/x11fwd.adv",
"isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
"number": "CNVD-2016-01769",
"openTime": "2016-03-22",
"patchDescription": "OpenSSH\u662fSSH\u534f\u8bae\u7684\u5f00\u6e90\u5b9e\u73b0\u3002\r\n\r\nOpenSSH \u003c=7.2p1\u5728\u5b9e\u73b0\u4e0a\u5b58\u5728xauth\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u6709\u6548\u7684\u8bc1\u4e66\u548c\u5efa\u7acb\u8f6c\u53d1\u4f1a\u8bdd\u7684\u6743\u9650\uff0c\u7ed5\u8fc7\u5b89\u5168\u9650\u5236\uff0c\u5411\u6570\u636e\u4e2d\u6ce8\u5165shell\u547d\u4ee4\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": "OpenSSH xauth\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e\u7684\u8865\u4e01",
"products": {
"product": "Openssh OpenSSH \u003c7.1p2"
},
"referenceLink": "https://www.freebsd.org/security/advisories/FreeBSD-SA-16:14.openssh.asc\r\nhttp://www.openssh.com/txt/x11fwd.adv",
"serverity": "\u9ad8",
"submitTime": "2016-03-17",
"title": "OpenSSH xauth\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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