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CVE-2022-20698— Clam AntiVirus (ClamAV) Denial of Service Vulnerability

Quick assessment

Affected
Cisco 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.

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 存在缓冲区错误漏洞，该漏洞源于libjson-c / CL_SCAN_GENERAL_COLLECT_METADATA中存在处理异常，攻击者可以利用该漏洞实现拒绝服务攻击。

CVSS 7.5 · High EPSS 3.06% · P87

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2022-20698

Vulnerability Information
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Vulnerability Title
Clam AntiVirus (ClamAV) Denial of Service Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the OOXML parsing module in Clam AntiVirus (ClamAV) Software version 0.104.1 and LTS version 0.103.4 and prior versions could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to improper checks that may result in an invalid pointer read. An attacker could exploit this vulnerability by sending a crafted OOXML file to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process to crash, resulting in a denial of service condition.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
ClamAV 缓冲区错误漏洞
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 存在缓冲区错误漏洞，该漏洞源于libjson-c / CL_SCAN_GENERAL_COLLECT_METADATA中存在处理异常，攻击者可以利用该漏洞实现拒绝服务攻击。
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 ClamAV unspecified ~ 0.103.5 -
Cisco ClamAV unspecified ~ 0.104.2 -

II. Public POCs for CVE-2022-20698

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III. Intelligence Information for CVE-2022-20698

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Vendor Advisories for CVE-2022-20698 (1)

Same Patch Batch · Cisco · 2022-01-14 · 16 CVEs total

CVE-2022-20658 9.6 CRITICAL Cisco Unified Contact Center Management Portal and Unified Contact Center Domain Manager P
CVE-2022-20640 6.1 MEDIUM Cisco Security Manager Cross-Site Scripting Vulnerabilities
CVE-2022-20641 6.1 MEDIUM Cisco Security Manager Cross-Site Scripting Vulnerabilities
CVE-2022-20642 6.1 MEDIUM Cisco Security Manager Cross-Site Scripting Vulnerabilities
CVE-2022-20643 6.1 MEDIUM Cisco Security Manager Cross-Site Scripting Vulnerabilities
CVE-2022-20644 6.1 MEDIUM Cisco Security Manager Cross-Site Scripting Vulnerabilities
CVE-2022-20645 6.1 MEDIUM Cisco Security Manager Cross-Site Scripting Vulnerabilities
CVE-2022-20646 6.1 MEDIUM Cisco Security Manager Cross-Site Scripting Vulnerabilities
CVE-2022-20647 6.1 MEDIUM Cisco Security Manager Cross-Site Scripting Vulnerabilities
CVE-2022-20635 6.1 MEDIUM Cisco Security Manager Cross-Site Scripting Vulnerabilities
CVE-2022-20636 6.1 MEDIUM Cisco Security Manager Cross-Site Scripting Vulnerabilities
CVE-2022-20637 6.1 MEDIUM Cisco Security Manager Cross-Site Scripting Vulnerabilities
CVE-2022-20638 6.1 MEDIUM Cisco Security Manager Cross-Site Scripting Vulnerabilities
CVE-2022-20639 6.1 MEDIUM Cisco Security Manager Cross-Site Scripting Vulnerabilities
CVE-2022-20660 4.6 MEDIUM Cisco IP Phones Information Disclosure Vulnerability

IV. Related Vulnerabilities

Same product: ClamAV
Same vendor: Cisco
Same weakness: CWE-20

V. Comments for CVE-2022-20698

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