CVE-2021-1252 — Clam AntiVirus (ClamAV) Excel XLM Parser Denial of Service Vulnerability
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…
Published: 2021-04-08 · CVSS: 7.5 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7