cnvd - cnvd-2017-37438

CNVD-2017-37438

Vulnerability from cnvd - Published: 2017-12-19

Title

Cisco Web Security Appliance Cisco AsyncOS Software文件绕过漏洞

Description

Cisco Web Security Appliance（WSA）是美国思科（Cisco）公司的一套Web安全设备。该设备提供基于SaaS的访问控制、实时网络报告和追踪、制定安全策略等功能。Cisco AsyncOS Software是一套运行在其中的操作系统。 Cisco WSA中的Cisco AsyncOS Software的Advanced Malware Protection (AMP)文件过滤功能存在安全漏洞，该漏洞源于不同的错误文件散列值。远程攻击者可通过发送特制的email文件附件利用该漏洞绕过已配置的AMP文件过滤器。

Severity

中

Patch Name

Cisco Web Security Appliance Cisco AsyncOS Software文件绕过漏洞的补丁

Patch Description

Formal description

用户可参考如下厂商提供的安全补丁以修复该漏洞： https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171115-wsa

Reference

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171115-wsa

Impacted products

Name
Cisco Web Security Appliance

Show details on source website

JSON

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    "cve": {
      "cveNumber": "CVE-2017-12303"
    }
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  "description": "Cisco Web Security Appliance\uff08WSA\uff09\u662f\u7f8e\u56fd\u601d\u79d1\uff08Cisco\uff09\u516c\u53f8\u7684\u4e00\u5957Web\u5b89\u5168\u8bbe\u5907\u3002\u8be5\u8bbe\u5907\u63d0\u4f9b\u57fa\u4e8eSaaS\u7684\u8bbf\u95ee\u63a7\u5236\u3001\u5b9e\u65f6\u7f51\u7edc\u62a5\u544a\u548c\u8ffd\u8e2a\u3001\u5236\u5b9a\u5b89\u5168\u7b56\u7565\u7b49\u529f\u80fd\u3002Cisco AsyncOS Software\u662f\u4e00\u5957\u8fd0\u884c\u5728\u5176\u4e2d\u7684\u64cd\u4f5c\u7cfb\u7edf\u3002\r\n\r\nCisco WSA\u4e2d\u7684Cisco AsyncOS Software\u7684Advanced Malware Protection (AMP)\u6587\u4ef6\u8fc7\u6ee4\u529f\u80fd\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u4e0d\u540c\u7684\u9519\u8bef\u6587\u4ef6\u6563\u5217\u503c\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u53d1\u9001\u7279\u5236\u7684email\u6587\u4ef6\u9644\u4ef6\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u5df2\u914d\u7f6e\u7684AMP\u6587\u4ef6\u8fc7\u6ee4\u5668\u3002",
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  "openTime": "2017-12-19",
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  "patchName": "Cisco Web Security Appliance Cisco AsyncOS Software\u6587\u4ef6\u7ed5\u8fc7\u6f0f\u6d1e\u7684\u8865\u4e01",
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  "serverity": "\u4e2d",
  "submitTime": "2017-11-20",
  "title": "Cisco Web Security Appliance Cisco AsyncOS Software\u6587\u4ef6\u7ed5\u8fc7\u6f0f\u6d1e"
}

CVE-2017-12303 (GCVE-0-2017-12303)

Vulnerability from cvelistv5 – Published: 2017-11-16 07:00 – Updated: 2024-08-05 18:36

Summary

A vulnerability in the Advanced Malware Protection (AMP) file filtering feature of Cisco AsyncOS Software for Cisco Web Security Appliance (WSA) could allow an unauthenticated, remote attacker to bypass a configured AMP file filtering rule. The file types affected are zipped or archived file types. The vulnerability is due to incorrect and different file hash values when AMP scans the file. An attacker could exploit this vulnerability by sending a crafted email file attachment through the targeted device. An exploit could allow the attacker to bypass a configured AMP file filter. Cisco Bug IDs: CSCvf52943.

Severity ?

No CVSS data available.

CWE

CWE-358

Assigner

cisco

References

URL

Tags

	http://www.securitytracker.com/id/1039828	vdb-entryx_refsource_SECTRACK
	https://tools.cisco.com/security/center/content/C…	x_refsource_CONFIRM
	http://www.securityfocus.com/bid/101932	vdb-entryx_refsource_BID

Impacted products

	Vendor	Product	Version
	n/a	Cisco Web Security Appliance	Affected: Cisco Web Security Appliance

Show details on NVD website

JSON

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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.

Detection rules are retrieved from Rulezet.

Action not permitted

CNVD-2017-37438

CVE-2017-12303 (GCVE-0-2017-12303)

Tags

Sightings

Nomenclature