Vulnerability-Lookup

CNVD-2024-17821

Vulnerability from cnvd - Published: 2024-04-12

Title

Citrix NetScaler ADC和Gateway拒绝服务漏洞

Description

NetScaler Gateway是一款具有SSL VPN解决方案的访问网关，可为网络资产的远程最终用户提供单点登录和身份验证。NetScaler ADC是一种应用程序交付控制器。两者均为Citrix旗下的产品。 Citrix NetScaler ADC和Gateway存在拒绝服务漏洞，漏洞源于未将内存操作限制在边界范围内，攻击者可利用该漏洞发起拒绝服务漏洞。

Severity

高

Patch Name

Citrix NetScaler ADC和Gateway拒绝服务漏洞的补丁

Patch Description

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://support.citrix.com/article/CTX584986/netscaler-adc-and-netscaler-gateway-security-bulletin-for-cve20236548-and-cve20236549

Reference

https://nvd.nist.gov/vuln/detail/CVE-2023-6549

Impacted products

Name
['Citrix Systems, Inc. NetScaler Gateway >=13.0，<13.0-92.21', 'Citrix Systems, Inc. NetScaler Gateway >=13.1，<13.1-51.15', 'Citrix Systems, Inc. NetScaler Gateway >=14.1，<14.1-12.35', 'Citrix Systems, Inc. NetScaler Application Delivery Controller >=12.1，<12.1-55.302', 'Citrix Systems, Inc. NetScaler Application Delivery Controller >=13.1，<13.1-37.176', 'Citrix Systems, Inc. NetScaler Application Delivery Controller >=13.0，<13.0-92.21', 'Citrix Systems, Inc. NetScaler Application Delivery Controller >=13.1，<13.1-51.15', 'Citrix Systems, Inc. NetScaler Application Delivery Controller >=14.1，<14.1-12.35']

Name

['Citrix Systems, Inc. NetScaler Gateway >=13.0，<13.0-92.21', 'Citrix Systems, Inc. NetScaler Gateway >=13.1，<13.1-51.15', 'Citrix Systems, Inc. NetScaler Gateway >=14.1，<14.1-12.35', 'Citrix Systems, Inc. NetScaler Application Delivery Controller >=12.1，<12.1-55.302', 'Citrix Systems, Inc. NetScaler Application Delivery Controller >=13.1，<13.1-37.176', 'Citrix Systems, Inc. NetScaler Application Delivery Controller >=13.0，<13.0-92.21', 'Citrix Systems, Inc. NetScaler Application Delivery Controller >=13.1，<13.1-51.15', 'Citrix Systems, Inc. NetScaler Application Delivery Controller >=14.1，<14.1-12.35']

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    "cve": {
      "cveNumber": "CVE-2023-6549",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2023-6549"
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  "number": "CNVD-2024-17821",
  "openTime": "2024-04-12",
  "patchDescription": "NetScaler Gateway\u662f\u4e00\u6b3e\u5177\u6709SSL VPN\u89e3\u51b3\u65b9\u6848\u7684\u8bbf\u95ee\u7f51\u5173\uff0c\u53ef\u4e3a\u7f51\u7edc\u8d44\u4ea7\u7684\u8fdc\u7a0b\u6700\u7ec8\u7528\u6237\u63d0\u4f9b\u5355\u70b9\u767b\u5f55\u548c\u8eab\u4efd\u9a8c\u8bc1\u3002NetScaler ADC\u662f\u4e00\u79cd\u5e94\u7528\u7a0b\u5e8f\u4ea4\u4ed8\u63a7\u5236\u5668\u3002\u4e24\u8005\u5747\u4e3aCitrix\u65d7\u4e0b\u7684\u4ea7\u54c1\u3002\r\n\r\nCitrix NetScaler ADC\u548cGateway\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u6f0f\u6d1e\u6e90\u4e8e\u672a\u5c06\u5185\u5b58\u64cd\u4f5c\u9650\u5236\u5728\u8fb9\u754c\u8303\u56f4\u5185\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u53d1\u8d77\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\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",
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      "Citrix Systems, Inc. NetScaler Application Delivery Controller \u003e=12.1\uff0c\u003c12.1-55.302",
      "Citrix Systems, Inc. NetScaler Application Delivery Controller \u003e=13.1\uff0c\u003c13.1-37.176",
      "Citrix Systems, Inc. NetScaler Application Delivery Controller \u003e=13.0\uff0c\u003c13.0-92.21",
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  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2023-6549",
  "serverity": "\u9ad8",
  "submitTime": "2024-01-19",
  "title": "Citrix NetScaler ADC\u548cGateway\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2023-6549 (GCVE-0-2023-6549)

Vulnerability from cvelistv5 – Published: 2024-01-17 20:15 – Updated: 2025-10-21 23:05

Summary

Improper Restriction of Operations within the Bounds of a Memory Buffer in NetScaler ADC and NetScaler Gateway allows Unauthenticated Denial of Service and Out-Of-Bounds Memory Read

Severity

8.2 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

SSVC

Exploitation: active Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-01-31 05:00 UTC

CWE

CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer

Assigner

Citrix mitre root

References

2 references

URL	Tags
https://support.citrix.com/article/CTX584986/nets…
https://www.cisa.gov/known-exploited-vulnerabilit…	government-resource

Impacted products

1 product

Vendor	Product	Version
Cloud Software Group	NetScaler ADC	Affected: 14.1 , < 12.35 (patch) Affected: 13.1 , < 51.15 (patch) Affected: 13.0 , < 92.21 (patch) Affected: 13.1-FIPS , < 37.176 (patch) Affected: 12.1-FIPS , < 55.302 (patch) Affected: 12.1-NDcPP , < 55.302 (patch)

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JSON

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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.
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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.

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.
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CNVD-2024-17821

CVE-2023-6549 (GCVE-0-2023-6549)

Tags

Sightings

Nomenclature

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