cnvd-2021-94837
Vulnerability from cnvd
Title: D-Link DSL-3782缓冲区溢出漏洞(CNVD-2021-94837)
Description:
D-Link DSL-3782是中国台湾友讯(D-Link)公司的一款无线路由器。
D-Link DSL-3782 EU v1.01版本和EU v1.03版本中存在缓冲区溢出漏洞,该漏洞源于WEB界面/cgi-bin/New_GUI/Igmp.asp中在内存上执行操作时,未正确验证数据边界。经过身份验证的远程攻击者可以通过HTTP请求在参数“igmpsnoopEnable”中发送一个长字符串来触发该漏洞进而造成拒绝服务攻击。
Severity: 中
Patch Name: D-Link DSL-3782缓冲区溢出漏洞(CNVD-2021-94837)的补丁
Patch Description:
D-Link DSL-3782是中国台湾友讯(D-Link)公司的一款无线路由器。
D-Link DSL-3782 EU v1.01版本和EU v1.03版本中存在缓冲区溢出漏洞,该漏洞源于WEB界面/cgi-bin/New_GUI/Igmp.asp中在内存上执行操作时,未正确验证数据边界。经过身份验证的远程攻击者可以通过HTTP请求在参数“igmpsnoopEnable”中发送一个长字符串来触发该漏洞进而造成拒绝服务攻击。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:
厂商已发布了漏洞修复程序,请及时关注更新: https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10245
Reference: https://nvd.nist.gov/vuln/detail/CVE-2021-40284
Name | ['D-Link DSL-3782 EU v1.01', 'D-Link DSL-3782 EU v1.03'] |
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{ "cves": { "cve": { "cveNumber": "CVE-2021-40284", "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-40284" } }, "description": "D-Link DSL-3782\u662f\u4e2d\u56fd\u53f0\u6e7e\u53cb\u8baf\uff08D-Link\uff09\u516c\u53f8\u7684\u4e00\u6b3e\u65e0\u7ebf\u8def\u7531\u5668\u3002\n\nD-Link DSL-3782 EU v1.01\u7248\u672c\u548cEU v1.03\u7248\u672c\u4e2d\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eWEB\u754c\u9762/cgi-bin/New_GUI/Igmp.asp\u4e2d\u5728\u5185\u5b58\u4e0a\u6267\u884c\u64cd\u4f5c\u65f6\uff0c\u672a\u6b63\u786e\u9a8c\u8bc1\u6570\u636e\u8fb9\u754c\u3002\u7ecf\u8fc7\u8eab\u4efd\u9a8c\u8bc1\u7684\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u4ee5\u901a\u8fc7HTTP\u8bf7\u6c42\u5728\u53c2\u6570\u201cigmpsnoopEnable\u201d\u4e2d\u53d1\u9001\u4e00\u4e2a\u957f\u5b57\u7b26\u4e32\u6765\u89e6\u53d1\u8be5\u6f0f\u6d1e\u8fdb\u800c\u9020\u6210\u62d2\u7edd\u670d\u52a1\u653b\u51fb\u3002", "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10245", "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e", "number": "CNVD-2021-94837", "openTime": "2021-12-07", "patchDescription": "D-Link DSL-3782\u662f\u4e2d\u56fd\u53f0\u6e7e\u53cb\u8baf\uff08D-Link\uff09\u516c\u53f8\u7684\u4e00\u6b3e\u65e0\u7ebf\u8def\u7531\u5668\u3002\r\n\r\nD-Link DSL-3782 EU v1.01\u7248\u672c\u548cEU v1.03\u7248\u672c\u4e2d\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eWEB\u754c\u9762/cgi-bin/New_GUI/Igmp.asp\u4e2d\u5728\u5185\u5b58\u4e0a\u6267\u884c\u64cd\u4f5c\u65f6\uff0c\u672a\u6b63\u786e\u9a8c\u8bc1\u6570\u636e\u8fb9\u754c\u3002\u7ecf\u8fc7\u8eab\u4efd\u9a8c\u8bc1\u7684\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u4ee5\u901a\u8fc7HTTP\u8bf7\u6c42\u5728\u53c2\u6570\u201cigmpsnoopEnable\u201d\u4e2d\u53d1\u9001\u4e00\u4e2a\u957f\u5b57\u7b26\u4e32\u6765\u89e6\u53d1\u8be5\u6f0f\u6d1e\u8fdb\u800c\u9020\u6210\u62d2\u7edd\u670d\u52a1\u653b\u51fb\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": "D-Link DSL-3782\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2021-94837\uff09\u7684\u8865\u4e01", "products": { "product": [ "D-Link DSL-3782 EU v1.01", "D-Link DSL-3782 EU v1.03" ] }, "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-40284", "serverity": "\u4e2d", "submitTime": "2021-09-12", "title": "D-Link DSL-3782\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2021-94837\uff09" }
Sightings
Author | Source | Type | Date |
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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.