SB2020053105 - Arch Linux update for clamav

Description

This security bulletin contains information about 2 vulnerabilities.

1) Out-of-bounds read (CVE-ID: CVE-2020-3123)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary condition in the Data-Loss-Prevention (DLP) module in Clam AntiVirus (ClamAV) with enabled optional DLP feature. A remote attacker can send a specially crafted email to the affected system, trigger an out-of-bounds read error and crash the ClamAV process.

2) Command Injection (CVE-ID: CVE-2020-7613)

CWE-ID: CWE-77 - Command injection

CVSSv4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

The vulnerability allows a remote attacker to execute arbitrary commands on the system.

The vulnerability exists due to improper input validation in the "_is_clamav_binary" function in "Index.js". A remote attacker can execute arbitrary commands on the target system.

Remediation

Install update from vendor's website.

References

• https://security.archlinux.org/advisory/ASA-202005-17