Multiple vulnerabilities in Clam AntiVirus (ClamAV)



Published: 2020-05-15
Risk Medium
Patch available YES
Number of vulnerabilities 2
CVE ID CVE-2020-3341
CVE-2020-3327
CWE ID CWE-125
Exploitation vector Network
Public exploit N/A
Vulnerable software
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ClamAV
Client/Desktop applications / Antivirus software/Personal firewalls

Vendor ClamAV

Security Advisory

1) Out-of-bounds read

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] [PCI]

CVE-ID: CVE-2020-3341

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

Exploit availability: No

Description

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

The vulnerability exists due to a boundary condition within the AES decryption routines when processing PDF files in ClamAV. A remote attacker can create a specially crafted file, pass it to the application, trigger an out-of-bounds read error and crash the service.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

ClamAV: 0.100.3, 0.101.1, 0.101.2, 0.101.3, 0.101.4, 0.101.5, 0.102.0, 0.102.1, 0.102.2

CPE External links

https://blog.clamav.net/2020/05/clamav-01023-security-patch-released.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) Out-of-bounds read

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] [PCI]

CVE-ID: CVE-2020-3327

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

Exploit availability: No

Description

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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

ClamAV: 0.102.2

CPE External links

https://blog.clamav.net/2020/05/clamav-01023-security-patch-released.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.



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