CNVD-2021-40783
Vulnerability from cnvd - Published: 2021-06-10
VLAI Severity ?
Title
OpenText Brava!缓冲区溢出漏洞
Description
Opentext OpenText Brava!是加拿大OpenText(Opentext)公司的一款基于浏览器的通用文档查看器。该产品支持查看、注释和编辑多种类型的文档。
Brava! Desktop 6.6.4.114之前版本存在缓冲区溢出漏洞,该漏洞源于DWG 文件的解析中缺乏对用户提供的数据的正确验证,这可能导致读取超过已分配数据结构的末尾。攻击者可以利用此漏洞在当前进程的上下文中执行任意代码。
Severity
低
Patch Name
OpenText Brava!缓冲区溢出漏洞的补丁
Patch Description
Opentext OpenText Brava!是加拿大OpenText(Opentext)公司的一款基于浏览器的通用文档查看器。该产品支持查看、注释和编辑多种类型的文档。
Brava! Desktop 6.6.4.114之前版本存在缓冲区溢出漏洞,该漏洞源于DWG 文件的解析中缺乏对用户提供的数据的正确验证,这可能导致读取超过已分配数据结构的末尾。攻击者可以利用此漏洞在当前进程的上下文中执行任意代码。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
目前厂商已发布升级补丁以修复漏洞,详情请关注厂商主页: https://www.opentext.com/
Reference
https://www.cybersecurity-help.cz/vdb/SB2021060314
Impacted products
| Name | OpenText Brava! Desktop <6.6.4.114 |
|---|
{
"cves": {
"cve": {
"cveNumber": "CVE-2021-31501"
}
},
"description": "Opentext OpenText Brava!\u662f\u52a0\u62ff\u5927OpenText\uff08Opentext\uff09\u516c\u53f8\u7684\u4e00\u6b3e\u57fa\u4e8e\u6d4f\u89c8\u5668\u7684\u901a\u7528\u6587\u6863\u67e5\u770b\u5668\u3002\u8be5\u4ea7\u54c1\u652f\u6301\u67e5\u770b\u3001\u6ce8\u91ca\u548c\u7f16\u8f91\u591a\u79cd\u7c7b\u578b\u7684\u6587\u6863\u3002\n\nBrava! Desktop 6.6.4.114\u4e4b\u524d\u7248\u672c\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eDWG \u6587\u4ef6\u7684\u89e3\u6790\u4e2d\u7f3a\u4e4f\u5bf9\u7528\u6237\u63d0\u4f9b\u7684\u6570\u636e\u7684\u6b63\u786e\u9a8c\u8bc1\uff0c\u8fd9\u53ef\u80fd\u5bfc\u81f4\u8bfb\u53d6\u8d85\u8fc7\u5df2\u5206\u914d\u6570\u636e\u7ed3\u6784\u7684\u672b\u5c3e\u3002\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u6b64\u6f0f\u6d1e\u5728\u5f53\u524d\u8fdb\u7a0b\u7684\u4e0a\u4e0b\u6587\u4e2d\u6267\u884c\u4efb\u610f\u4ee3\u7801\u3002",
"formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8be6\u60c5\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875:\r\nhttps://www.opentext.com/",
"isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
"number": "CNVD-2021-40783",
"openTime": "2021-06-10",
"patchDescription": "Opentext OpenText Brava!\u662f\u52a0\u62ff\u5927OpenText\uff08Opentext\uff09\u516c\u53f8\u7684\u4e00\u6b3e\u57fa\u4e8e\u6d4f\u89c8\u5668\u7684\u901a\u7528\u6587\u6863\u67e5\u770b\u5668\u3002\u8be5\u4ea7\u54c1\u652f\u6301\u67e5\u770b\u3001\u6ce8\u91ca\u548c\u7f16\u8f91\u591a\u79cd\u7c7b\u578b\u7684\u6587\u6863\u3002\r\n\r\nBrava! Desktop 6.6.4.114\u4e4b\u524d\u7248\u672c\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eDWG \u6587\u4ef6\u7684\u89e3\u6790\u4e2d\u7f3a\u4e4f\u5bf9\u7528\u6237\u63d0\u4f9b\u7684\u6570\u636e\u7684\u6b63\u786e\u9a8c\u8bc1\uff0c\u8fd9\u53ef\u80fd\u5bfc\u81f4\u8bfb\u53d6\u8d85\u8fc7\u5df2\u5206\u914d\u6570\u636e\u7ed3\u6784\u7684\u672b\u5c3e\u3002\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u6b64\u6f0f\u6d1e\u5728\u5f53\u524d\u8fdb\u7a0b\u7684\u4e0a\u4e0b\u6587\u4e2d\u6267\u884c\u4efb\u610f\u4ee3\u7801\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": "OpenText Brava!\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
"products": {
"product": "OpenText Brava! Desktop \u003c6.6.4.114"
},
"referenceLink": "https://www.cybersecurity-help.cz/vdb/SB2021060314",
"serverity": "\u4f4e",
"submitTime": "2021-06-04",
"title": "OpenText Brava!\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
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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