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I. Basic Information for CVE-2022-20803
Vulnerability Information

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Vulnerability Title
ClamAV Double-free Vulnerability in the OLE2 File Parser
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability in the OLE2 file parser of Clam AntiVirus (ClamAV) versions 0.104.0 through 0.104.2 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device.The vulnerability is due to incorrect use of the realloc function that may result in a double-free. An attacker could exploit this vulnerability by submitting a crafted OLE2 file to be scanned by ClamAV on the affected device. An exploit could allow the attacker to cause the ClamAV scanning process to crash, resulting in a denial of service condition.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
双重释放
Source: NVD (National Vulnerability Database)
Vulnerability Title
ClamAV 资源管理错误漏洞
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 0.104.0版本到0.104.2版本存在资源管理错误漏洞,该漏洞源于OLE2 文件解析器中的边界错误。远程攻击者可以将特制文件传递给应用程序,触发双重自由错误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
VendorProductAffected VersionsCPESubscribe
CiscoClamAV 0.104.0 -
II. Public POCs for CVE-2022-20803
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III. Intelligence Information for CVE-2022-20803
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