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CVE-2022-20792

Quick assessment

Affected
Cisco Clam AntiVirus (ClamAV)
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Clam AntiVirus是Clamav团队的一款用于检测木马，病毒，恶意软件和其他恶意威胁的开源杀毒引擎。 Clam AntiVirus 0.104.0版本到0.104.2版本 0.103版本到0.103.5版本存在安全漏洞，该漏洞源于签名数据库加载模块中的边界错误。远程攻击者可以将特制数据传递给应用程序，触发基于堆的缓冲区溢出利用该漏洞在目标系统上执行任意代码。

CVSS 7.8 · High EPSS 0.53% · P43
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I. Basic Information for CVE-2022-20792

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the regex module used by the signature database load module of Clam AntiVirus (ClamAV) versions 0.104.0 through 0.104.2 and LTS version 0.103.5 and prior versions could allow an authenticated, local attacker to crash ClamAV at database load time, and possibly gain code execution. The vulnerability is due to improper bounds checking that may result in a multi-byte heap buffer overwflow write. An attacker could exploit this vulnerability by placing a crafted CDB ClamAV signature database file in the ClamAV database directory. An exploit could allow the attacker to run code as the clamav user.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
Vulnerability Title
ClamAV AntiVirus 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Clam AntiVirus是Clamav团队的一款用于检测木马，病毒，恶意软件和其他恶意威胁的开源杀毒引擎。 Clam AntiVirus 0.104.0版本到0.104.2版本 0.103版本到0.103.5版本存在安全漏洞，该漏洞源于签名数据库加载模块中的边界错误。远程攻击者可以将特制数据传递给应用程序，触发基于堆的缓冲区溢出利用该漏洞在目标系统上执行任意代码。
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 Clam AntiVirus (ClamAV) unspecified ~ 0.104.2 -

II. Public POCs for CVE-2022-20792

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III. Intelligence Information for CVE-2022-20792

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Vendor Advisories for CVE-2022-20792 (1)

Same Patch Batch · Cisco · 2022-08-10 · 11 CVEs total

CVE-2022-20827 9.0 CRITICAL Cisco Small Business RV Series Routers Vulnerabilities
CVE-2022-20842 9.0 CRITICAL Cisco Small Business RV Series Routers Vulnerabilities
CVE-2022-20841 9.0 CRITICAL Cisco Small Business RV Series Routers Vulnerabilities
CVE-2022-20866 7.4 HIGH Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software RSA Priva
CVE-2022-20816 6.5 MEDIUM Cisco Unified Communications Manager Arbitrary File Deletion Vulnerability
CVE-2022-20869 6.1 MEDIUM Cisco BroadWorks Application Delivery Platform Software Cross-Site Scripting Vulnerability
CVE-2022-20820 5.4 MEDIUM Cisco Webex Meetings Web Interface Vulnerabilities
CVE-2022-20852 5.4 MEDIUM Cisco Webex Meetings Web Interface Vulnerabilities
CVE-2022-20914 4.9 MEDIUM Cisco Identity Services Engine Sensitive Information Disclosure Vulnerability
CVE-2022-20713 4.3 MEDIUM Cisco Adaptive Security Appliances Software 跨站脚本漏洞

IV. Related Vulnerabilities

Same vendor: Cisco
Same weakness: CWE-125

V. Comments for CVE-2022-20792

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