Vulnerability identifier: #VU23559

Vulnerability risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-15961

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
ClamAV
Client/Desktop applications / Antivirus software/Personal firewalls

Vendor: ClamAV

Description

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

The vulnerability exists due to insufficient validation of user-supplied input passed via email messages due to overly long parsing of MIME messages. A remote attacker can send a specially crafted email message and perform a denial of service attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

ClamAV: 0.102.0, 0.101.0 - 0.101.4

---

External links
http://blog.clamav.net/2019/11/clamav-01021-and-01015-patches-have.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.