CNVD-2017-04012
Vulnerability from cnvd - Published: 2017-04-06
VLAI Severity ?
Title
技嘉BRIX迷你电脑存在固件防护机制缺陷漏洞
Description
技嘉(GIGABYTE)是台湾专业的主板制造商,GB-BSi7H-6500及GB-BXi7-5775是BRIX系列迷你电脑。UEFI,全称“统一的可扩展固件接口”(Unified Extensible Firmware Interface), 是一种详细描述类型接口的标准。这种接口用于操作系统自动从预启动的操作环境,加载到一种操作系统上。
技嘉BRIX迷你电脑存在固件防护机制缺陷漏洞,由于在加载UEFI固件时未能在SMI handler加入适当防护机制,攻击者可通过系统管理模式(SMM)在SPI內存中写入指令。
Severity
中
Formal description
技嘉即将发布GB-BSI7H-6500的的最新版本(vf7)固件。而GB-BXI7-5775已停产,厂商不在升级维护。请及时关注厂商主页: http://www.gigabyte.tw/
Reference
https://www.bleepingcomputer.com/news/security/gigabyte-firmware-flaws-allow-the-installation-of-uefi-ransomware/
http://www.securityfocus.com/bid/97294
http://www.kb.cert.org/vuls/id/507496
Impacted products
| Name | ['gigabyte GB-BSi7H-6500 BRIX UEFI vF2', 'gigabyte GB-BSi7H-6500 BRIX UEFI vF6', 'gigabyte GB-BXi7-5775 BRIX UEFI vF2', 'gigabyte GB-BXi7-5775 BRIX UEFI vF6'] |
|---|
{
"bids": {
"bid": {
"bidNumber": "97294"
}
},
"cves": {
"cve": {
"cveNumber": "CVE-2017-3198"
}
},
"description": "\u6280\u5609\uff08GIGABYTE\uff09\u662f\u53f0\u6e7e\u4e13\u4e1a\u7684\u4e3b\u677f\u5236\u9020\u5546\uff0cGB-BSi7H-6500\u53caGB-BXi7-5775\u662fBRIX\u7cfb\u5217\u8ff7\u4f60\u7535\u8111\u3002UEFI\uff0c\u5168\u79f0\u201c\u7edf\u4e00\u7684\u53ef\u6269\u5c55\u56fa\u4ef6\u63a5\u53e3\u201d(Unified Extensible Firmware Interface)\uff0c \u662f\u4e00\u79cd\u8be6\u7ec6\u63cf\u8ff0\u7c7b\u578b\u63a5\u53e3\u7684\u6807\u51c6\u3002\u8fd9\u79cd\u63a5\u53e3\u7528\u4e8e\u64cd\u4f5c\u7cfb\u7edf\u81ea\u52a8\u4ece\u9884\u542f\u52a8\u7684\u64cd\u4f5c\u73af\u5883\uff0c\u52a0\u8f7d\u5230\u4e00\u79cd\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u3002\r\n\r\n\u6280\u5609BRIX\u8ff7\u4f60\u7535\u8111\u5b58\u5728\u56fa\u4ef6\u9632\u62a4\u673a\u5236\u7f3a\u9677\u6f0f\u6d1e\uff0c\u7531\u4e8e\u5728\u52a0\u8f7dUEFI\u56fa\u4ef6\u65f6\u672a\u80fd\u5728SMI handler\u52a0\u5165\u9002\u5f53\u9632\u62a4\u673a\u5236\uff0c\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u7cfb\u7edf\u7ba1\u7406\u6a21\u5f0f\uff08SMM\uff09\u5728SPI\u5167\u5b58\u4e2d\u5199\u5165\u6307\u4ee4\u3002",
"discovererName": "Alex Matrosov of Cylance",
"formalWay": "\u6280\u5609\u5373\u5c06\u53d1\u5e03GB-BSI7H-6500\u7684\u7684\u6700\u65b0\u7248\u672c\uff08vf7\uff09\u56fa\u4ef6\u3002\u800cGB-BXI7-5775\u5df2\u505c\u4ea7\uff0c\u5382\u5546\u4e0d\u5728\u5347\u7ea7\u7ef4\u62a4\u3002\u8bf7\u53ca\u65f6\u5173\u6ce8\u5382\u5546\u4e3b\u9875\uff1a\r\nhttp://www.gigabyte.tw/",
"isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
"number": "CNVD-2017-04012",
"openTime": "2017-04-06",
"products": {
"product": [
"gigabyte GB-BSi7H-6500 BRIX UEFI vF2",
"gigabyte GB-BSi7H-6500 BRIX UEFI vF6",
"gigabyte GB-BXi7-5775 BRIX UEFI vF2",
"gigabyte GB-BXi7-5775 BRIX UEFI vF6"
]
},
"referenceLink": "https://www.bleepingcomputer.com/news/security/gigabyte-firmware-flaws-allow-the-installation-of-uefi-ransomware/\r\nhttp://www.securityfocus.com/bid/97294\r\nhttp://www.kb.cert.org/vuls/id/507496",
"serverity": "\u4e2d",
"submitTime": "2017-04-01",
"title": "\u6280\u5609BRIX\u8ff7\u4f60\u7535\u8111\u5b58\u5728\u56fa\u4ef6\u9632\u62a4\u673a\u5236\u7f3a\u9677\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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