SB2020072714 - Gentoo update for ClamAV

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Out-of-bounds read (CVE-ID: CVE-2020-3327)

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

The vulnerability exists due to a boundary condition when processing ARJ archives. A remote attacker can pass specially crafted ARJ archive to the application, trigger out-of-bounds read error and crash the service.

2) Race condition (CVE-ID: CVE-2020-3350)

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.

3) NULL pointer dereference (CVE-ID: CVE-2020-3481)

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

The vulnerability exists due to a NULL pointer dereference error in the EGG archive module. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.

Remediation

Install update from vendor's website.

References

• https://security.gentoo.org/
• https://security.gentoo.org/glsa/202007-23