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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

To clipboard

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}

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 mitre root

References

3 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

1 product

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

Date Public

2017-11-16 00:00

Show details on NVD website

JSON

To clipboard

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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.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.