Vulnerability-Lookup

CNVD-2019-25710

Vulnerability from cnvd - Published: 2019-08-02

Title

Cisco Web Security Appliance AsyncOS Software输入验证错误漏洞（CNVD-2019-25710）

Description

Cisco Web Security Appliance（WSA）是美国思科（Cisco）公司的一款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。AsyncOS Software是使用在其中的一套操作系统。 Cisco WSA中的AsyncOS Software的HTTPS解密功能存在输入验证错误漏洞，远程攻击者可通过安装畸形的证书利用该漏洞造成拒绝服务。

Severity

中

Patch Name

Cisco Web Security Appliance AsyncOS Software输入验证错误漏洞（CNVD-2019-25710）的补丁

Patch Description

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190703-wsa-dos

Reference

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190703-wsa-dos http://www.securityfocus.com/bid/109049

Impacted products

Name
Cisco Web Security Appliance

Show details on source website

JSON

To clipboard

{
  "bids": {
    "bid": {
      "bidNumber": "109049"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-1886"
    }
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  "discovererName": "Cisco",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190703-wsa-dos",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-25710",
  "openTime": "2019-08-02",
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  "patchName": "Cisco Web Security Appliance AsyncOS Software\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e\uff08CNVD-2019-25710\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Cisco Web Security Appliance"
  },
  "referenceLink": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190703-wsa-dos\r\nhttp://www.securityfocus.com/bid/109049",
  "serverity": "\u4e2d",
  "submitTime": "2019-07-03",
  "title": "Cisco Web Security Appliance AsyncOS Software\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e\uff08CNVD-2019-25710\uff09"
}

CVE-2019-1886 (GCVE-0-2019-1886)

Vulnerability from cvelistv5 – Published: 2019-07-04 19:50 – Updated: 2024-11-19 19:03

Title

Cisco Web Security Appliance HTTPS Certificate Denial of Service Vulnerability

Summary

A vulnerability in the HTTPS decryption feature of Cisco Web Security Appliance (WSA) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability is due to insufficient validation of Secure Sockets Layer (SSL) server certificates. An attacker could exploit this vulnerability by installing a malformed certificate in a web server and sending a request to it through the Cisco WSA. A successful exploit could allow the attacker to cause an unexpected restart of the proxy process on an affected device.

Severity

8.6 (High)


                        
                          CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-11-19 17:23 UTC

CWE

CWE-20

Assigner

cisco mitre root

References

2 references

URL	Tags
https://tools.cisco.com/security/center/content/C…	vendor-advisoryx_refsource_CISCO
http://www.securityfocus.com/bid/109049	vdb-entryx_refsource_BID

Impacted products

1 product

Vendor	Product	Version
Cisco	Cisco Web Security Appliance (WSA)	Affected: unspecified , < 10.5.5-005 (custom)

Date Public

2019-07-03 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.

Action not permitted

CNVD-2019-25710

CVE-2019-1886 (GCVE-0-2019-1886)

Tags

Sightings

Nomenclature

Related by attack behaviour