#VU29233 Race condition in ClamAV products - CVE-2020-3350

Vulnerability identifier: #VU29233

Vulnerability risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-3350

CWE-ID: CWE-362

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Cisco AMP for Endpoints Linux Connector Software
Client/Desktop applications / Antivirus software/Personal firewalls
Cisco AMP for Endpoints Mac Connector Software
Client/Desktop applications / Antivirus software/Personal firewalls
ClamAV
Client/Desktop applications / Antivirus software/Personal firewalls

Vendor: Cisco Systems, Inc
ClamAV

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a race condition in the endpoint software. A local user can exploit the race, gain elevated privileges and delete arbitrary files on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Cisco AMP for Endpoints Linux Connector Software: before 1.12.4

Cisco AMP for Endpoints Mac Connector Software: before 1.12.4

ClamAV: 0.70, 0.71, 0.72, 0.73, 0.74, 0.75 - 0.75.1, 0.80, 0.81, 0.82, 0.83, 0.84, 0.85 - 0.85.1, 0.86 - 0.86.2, 0.87 - 0.87.1, 0.88 - 0.88.7, 0.90 - 0.90.1, 0.91, 0.92, 0.93 - 0.93.3, 0.94 - 0.94.2, 0.95 - 0.95.3, 0.96 - 0.96.5, 0.97 - 0.97.8, 0.98 - 0.98.7, 0.99 - 0.99.4, 0.100.0 - 0.100.3, 0.101.0 - 0.101.5, 0.102.0 - 0.102.3

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External links
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-famp-ZEpdXy

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.