cnvd - cnvd-2020-41805

cnvd-2020-41805

Vulnerability from cnvd

Title: Cisco Email Security Appliance AsyncOS Software输入验证错误漏洞（CNVD-2020-41805）

Description:

Cisco Email Security Appliance（ESA）是美国思科（Cisco）公司的一个电子邮件安全设备。AsyncOS Software是运行在其中的一套操作系统。

Cisco ESA中的AsyncOS Software的反垃圾邮件保护机制存在输入验证错误漏洞，远程攻击者可通过构建URL利用该漏洞将恶意的URL发送到设备上。

Severity: 中

Patch Name: Cisco Email Security Appliance AsyncOS Software输入验证错误漏洞（CNVD-2020-41805）的补丁

Patch Description:

Cisco Email Security Appliance（ESA）是美国思科（Cisco）公司的一个电子邮件安全设备。AsyncOS Software是运行在其中的一套操作系统。

Cisco ESA中的AsyncOS Software的反垃圾邮件保护机制存在输入验证错误漏洞，远程攻击者可通过构建URL利用该漏洞将恶意的URL发送到设备上。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，补丁获取链接： https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-esa-url-bypass-WO4BZ75s

Reference: https://www.auscert.org.au/bulletins/ESB-2020.2120/

Impacted products

Name
Cisco Cisco Email Security Appliance

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-3368",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-3368"
    }
  },
  "description": "Cisco Email Security Appliance\uff08ESA\uff09\u662f\u7f8e\u56fd\u601d\u79d1\uff08Cisco\uff09\u516c\u53f8\u7684\u4e00\u4e2a\u7535\u5b50\u90ae\u4ef6\u5b89\u5168\u8bbe\u5907\u3002AsyncOS Software\u662f\u8fd0\u884c\u5728\u5176\u4e2d\u7684\u4e00\u5957\u64cd\u4f5c\u7cfb\u7edf\u3002\n\nCisco ESA\u4e2d\u7684AsyncOS Software\u7684\u53cd\u5783\u573e\u90ae\u4ef6\u4fdd\u62a4\u673a\u5236\u5b58\u5728\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e\uff0c\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u6784\u5efaURL\u5229\u7528\u8be5\u6f0f\u6d1e\u5c06\u6076\u610f\u7684URL\u53d1\u9001\u5230\u8bbe\u5907\u4e0a\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-esa-url-bypass-WO4BZ75s",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-41805",
  "openTime": "2020-07-21",
  "patchDescription": "Cisco Email Security Appliance\uff08ESA\uff09\u662f\u7f8e\u56fd\u601d\u79d1\uff08Cisco\uff09\u516c\u53f8\u7684\u4e00\u4e2a\u7535\u5b50\u90ae\u4ef6\u5b89\u5168\u8bbe\u5907\u3002AsyncOS Software\u662f\u8fd0\u884c\u5728\u5176\u4e2d\u7684\u4e00\u5957\u64cd\u4f5c\u7cfb\u7edf\u3002\r\n\r\nCisco ESA\u4e2d\u7684AsyncOS Software\u7684\u53cd\u5783\u573e\u90ae\u4ef6\u4fdd\u62a4\u673a\u5236\u5b58\u5728\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e\uff0c\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u6784\u5efaURL\u5229\u7528\u8be5\u6f0f\u6d1e\u5c06\u6076\u610f\u7684URL\u53d1\u9001\u5230\u8bbe\u5907\u4e0a\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": "Cisco Email Security Appliance AsyncOS Software\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e\uff08CNVD-2020-41805\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Cisco Cisco Email Security Appliance"
  },
  "referenceLink": "https://www.auscert.org.au/bulletins/ESB-2020.2120/",
  "serverity": "\u4e2d",
  "submitTime": "2020-06-18",
  "title": "Cisco Email Security Appliance AsyncOS Software\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e\uff08CNVD-2020-41805\uff09"
}

CVE-2020-3368 (GCVE-0-2020-3368)

Vulnerability from cvelistv5

Published

2020-06-18 02:17

Modified

2024-11-15 17:00

Severity ?

5.8 (Medium) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N

CWE

CWE-20

Summary

A vulnerability in the antispam protection mechanisms of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to bypass the URL reputation filters on an affected device. The vulnerability is due to insufficient input validation of URLs. An attacker could exploit this vulnerability by crafting the URL in a particular way. A successful exploit could allow the attacker to bypass the URL reputation filters that are configured for the affected device, which could allow malicious URLs to pass through the device.

References

▼	URL	Tags
	https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-esa-url-bypass-WO4BZ75s	vendor-advisory, x_refsource_CISCO

Impacted products

	Vendor	Product	Version
	Cisco	Cisco Email Security Appliance (ESA)	Version: n/a

Show details on NVD website

JSON

To clipboard

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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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