Multiple vulnerabilities in ClamAV

Published: 2019-10-04

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2019-12900 CVE-2019-12625
CWE-ID	CWE-787 CWE-399
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	ClamAV Client/Desktop applications / Antivirus software/Personal firewalls
Vendor	ClamAV

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Out-of-bounds write

EUVDB-ID: #VU19178

Risk: High

CVSSv3.1: 8.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-12900

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error within the BZ2_decompress() function in decompress.c. A remote attacker can create a specially crafted archive, trick the victim into opening it using the affected library, trigger out-of-bounds write and execute arbitrary code on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

ClamAV: 0.100.0 - 0.101.3

External links

http://blog.clamav.net/2019/08/clamav-01014-security-patch-release-has.html

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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

2) Resource management error

EUVDB-ID: #VU21530

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-12625

CWE-ID: CWE-399 - Resource Management Errors