CVE-2021-1252 - A vulnerability in the Excel XLM macro parsing module in Clam AntiVirus (ClamAV) Software versions 0

CVE-2021-1252

Summary

A vulnerability in the Excel XLM macro parsing module in Clam AntiVirus (ClamAV) Software versions 0.103.0 and 0.103.1 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to improper error handling that may result in an infinite loop. An attacker could exploit this vulnerability by sending a crafted Excel file to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process hang, resulting in a denial of service condition.

References

https://blog.clamav.net/2021/04/clamav-01032-security-patch-release.html

Vulnerable Configurations

cpe:2.3:a:clamav:clamav:0.103.0:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.103.0:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.103.1:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.103.1:*:*:*:*:*:*:*

CVSS

Base:	7.8 (as of 05-08-2022 - 17:18)
Impact:
Exploitability:

CWE

CWE-835

CAPEC

Access

Vector	Complexity	Authentication
NETWORK	LOW	NONE

Impact

Confidentiality	Integrity	Availability
NONE	NONE	COMPLETE

cvss-vector via4

AV:N/AC:L/Au:N/C:N/I:N/A:C

Last major update

05-08-2022 - 17:18

Published

08-04-2021 - 05:15

Last modified

05-08-2022 - 17:18