#VU30707 Out-of-bounds read in ClamAV


Published: 2019-11-05 | Updated: 2020-07-17

Vulnerability identifier: #VU30707

Vulnerability 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-2019-1789

CWE-ID: CWE-125

Exploitation vector: Network

Exploit availability: No

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

Vendor: ClamAV

Description

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

ClamAV versions prior to 0.101.2 are susceptible to a denial of service (DoS) vulnerability. An out-of-bounds heap read condition may occur when scanning PE files. An example is Windows EXE and DLL files that have been packed using Aspack as a result of inadequate bound-checking.

Mitigation
Install update from vendor's website.

Vulnerable software versions

ClamAV: 0.101.0 - 0.101.1


External links
http://blog.clamav.net/2019/03/clamav-01012-and-01003-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.


Latest bulletins with this vulnerability