CVE-2020-3481— Clam AntiVirus (ClamAV) Software Null Pointer Dereference 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.
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 0.102.0版本至0.102.3版本中的EGG archive模块存在安全漏洞。攻击者可利用该漏洞造成拒绝服务（空指针逆向引用）。
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I. Basic Information for CVE-2020-3481
Vulnerability Information
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Vulnerability Title
Clam AntiVirus (ClamAV) Software Null Pointer Dereference Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the EGG archive parsing module in Clam AntiVirus (ClamAV) Software versions 0.102.0 - 0.102.3 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to a null pointer dereference. An attacker could exploit this vulnerability by sending a crafted EGG file to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process 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
空指针解引用
Source: CVE Program / CVE List V5
Vulnerability Title
Clam AntiVirus 代码问题漏洞
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 0.102.0版本至0.102.3版本中的EGG archive模块存在安全漏洞。攻击者可利用该漏洞造成拒绝服务（空指针逆向引用）。
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
II. Public POCs for CVE-2020-3481
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2020-3481 (3)
Mailing List Discussions for CVE-2020-3481 (3)
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https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IJ67VH37NCG25PICGWFWZHSVG7PBT7MC/ vendor-advisory x_refsource_FEDORA
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https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QM7EXJHDEZJLWM2NKH6TCDXOBP5NNYIN/ vendor-advisory x_refsource_FEDORA
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Security Blog Posts for CVE-2020-3481 (1)
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https://blog.clamav.net/2020/07/clamav-01024-security-patch-released.html vendor-advisory x_refsource_CISCO
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V. Comments for CVE-2020-3481
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