CVE-2021-1252

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.

Score
CVSS 3.1 7.5 High
Status
Modified - psirt@cisco.com
Published
2021-04-08
Last modified
2024-11-08
Weaknesses
CWE-20, CWE-835

Affected products

References

 
 
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