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CVE-2023-20052

Quick assessment

Affected
Cisco Cisco Secure Endpoint
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

ClamAV（Clam AntiVirus）是ClamAV团队的一套免费且开源的杀毒软件。该软件用于检测木马、病毒、恶意软件和其他恶意威胁。 ClamAV存在安全漏洞，该漏洞源于XML外部实体注入，未经身份验证的远程攻击者利用该漏洞可以访问受影响设备上的敏感信息。

CVSS 5.3 · Medium EPSS 7.00% · P94

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System
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I. Basic Information for CVE-2023-20052

Vulnerability Information
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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
On Feb 15, 2023, the following vulnerability in the ClamAV scanning library was disclosed: A vulnerability in the DMG file parser of ClamAV versions 1.0.0 and earlier, 0.105.1 and earlier, and 0.103.7 and earlier could allow an unauthenticated, remote attacker to access sensitive information on an affected device. This vulnerability is due to enabling XML entity substitution that may result in XML external entity injection. An attacker could exploit this vulnerability by submitting a crafted DMG file to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to leak bytes from any file that may be read by the ClamAV scanning process.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
XML外部实体引用的不恰当限制(XXE)
Source: CVE Program / CVE List V5
Vulnerability Title
ClamAV 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ClamAV（Clam AntiVirus）是ClamAV团队的一套免费且开源的杀毒软件。该软件用于检测木马、病毒、恶意软件和其他恶意威胁。 ClamAV存在安全漏洞，该漏洞源于XML外部实体注入，未经身份验证的远程攻击者利用该漏洞可以访问受影响设备上的敏感信息。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Cisco Cisco Secure Endpoint 6.0.9 -

II. Public POCs for CVE-2023-20052

# POC Description Source Link Shenlong Link
1 CVE-2023-20052, information leak vulnerability in the DMG file parser of ClamAV https://github.com/nokn0wthing/CVE-2023-20052 POC Details
2 CVE-2023-20052 information leak vulnerability in the DMG file parser of ClamAV https://github.com/cY83rR0H1t/CVE-2023-20052 POC Details
3 None https://github.com/MOHITSINGHPAPOLA/CVE-2023-20052 POC Details
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III. Intelligence Information for CVE-2023-20052

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Vendor Advisories for CVE-2023-20052 (2)

Same Patch Batch · Cisco · 2023-02-16 · 9 CVEs total

CVE-2023-20032 9.8 CRITICAL ClamAV 缓冲区错误漏洞
CVE-2023-25653 7.5 HIGH Improper calculations in ECC implementation can trigger a Denial-of-Service (DoS)
CVE-2023-20014 7.5 HIGH Cisco Nexus Dashboard 资源管理错误漏洞
CVE-2023-20009 6.5 MEDIUM Cisco Secure Email 代码问题漏洞
CVE-2023-20085 6.1 MEDIUM Cisco Identity Services Engine 跨站脚本漏洞
CVE-2023-20053 6.1 MEDIUM Cisco Nexus Dashboard 跨站脚本漏洞
CVE-2023-20075 6.0 MEDIUM Cisco Secure Email 操作系统命令注入漏洞
CVE-2022-20952 5.3 MEDIUM Cisco Secure Web Appliance 输入验证错误漏洞

IV. Related Vulnerabilities

Same product: Cisco Secure Endpoint
Same vendor: Cisco
Same weakness: CWE-611

V. Comments for CVE-2023-20052

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