cnvd - cnvd-2020-19938

cnvd-2020-19938

Vulnerability from cnvd

Title: TP-Link Archer A7 AC1750缓冲区溢出漏洞

Description:

TP-Link Archer A7 AC1750是中国普联（TP-Link）公司的一款无线路由器。

使用190726 AC1750版本固件的TP-Link Archer A7中对DNS响应的处理存在缓冲区溢出漏洞。远程攻击者可借助特制的DNS消息利用该漏洞执行任意代码。

Severity: 高

Patch Name: TP-Link Archer A7 AC1750缓冲区溢出漏洞的补丁

Patch Description:

TP-Link Archer A7 AC1750是中国普联（TP-Link）公司的一款无线路由器。

使用190726 AC1750版本固件的TP-Link Archer A7中对DNS响应的处理存在缓冲区溢出漏洞。远程攻击者可借助特制的DNS消息利用该漏洞执行任意代码。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.tp-link.com/

Impacted products

Name
TP-Link A7 AC1750 190726

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-10881"
    }
  },
  "description": "TP-Link Archer A7 AC1750\u662f\u4e2d\u56fd\u666e\u8054\uff08TP-Link\uff09\u516c\u53f8\u7684\u4e00\u6b3e\u65e0\u7ebf\u8def\u7531\u5668\u3002\n\n\u4f7f\u7528190726 AC1750\u7248\u672c\u56fa\u4ef6\u7684TP-Link Archer A7\u4e2d\u5bf9DNS\u54cd\u5e94\u7684\u5904\u7406\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684DNS\u6d88\u606f\u5229\u7528\u8be5\u6f0f\u6d1e\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\uff1a\r\nhttps://www.tp-link.com/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-19938",
  "openTime": "2020-03-28",
  "patchDescription": "TP-Link Archer A7 AC1750\u662f\u4e2d\u56fd\u666e\u8054\uff08TP-Link\uff09\u516c\u53f8\u7684\u4e00\u6b3e\u65e0\u7ebf\u8def\u7531\u5668\u3002\r\n\r\n\u4f7f\u7528190726 AC1750\u7248\u672c\u56fa\u4ef6\u7684TP-Link Archer A7\u4e2d\u5bf9DNS\u54cd\u5e94\u7684\u5904\u7406\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684DNS\u6d88\u606f\u5229\u7528\u8be5\u6f0f\u6d1e\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": "TP-Link Archer A7 AC1750\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "TP-Link A7 AC1750 190726"
  },
  "serverity": "\u9ad8",
  "submitTime": "2020-03-26",
  "title": "TP-Link Archer A7 AC1750\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2020-10881 (GCVE-0-2020-10881)

Vulnerability from cvelistv5

Published

2020-03-25 19:15

Modified

2024-08-04 11:14

Severity ?

9.8 (Critical) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-121 - Stack-based Buffer Overflow

Summary

This vulnerability allows remote attackers to execute arbitrary code on affected installations of TP-Link Archer A7 Firmware Ver: 190726 AC1750 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of DNS responses. A crafted DNS message can trigger an overflow of a fixed-length, stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the root user. Was ZDI-CAN-9660.

References

▼	URL	Tags
	https://www.zerodayinitiative.com/advisories/ZDI-20-333/	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	TP-Link	Archer A7	Version: Firmware Ver: 190726

Show details on NVD website

JSON

To clipboard

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          "dateUpdated": "2024-08-04T11:14:15.617Z",
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            ],
            "url": "https://www.zerodayinitiative.com/advisories/ZDI-20-333/"
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        }
      ],
      "metrics": [
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            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
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            "scope": "UNCHANGED",
            "userInteraction": "NONE",
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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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