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.

CVSS v3 7.5 HIGH
CVSS v2.0 7.8 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

7.8^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 6.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References

Link	Resource
https://blog.clamav.net/2021/04/clamav-01032-security-patch-release.html	Release Notes Vendor Advisory

Configurations

Configuration 1 (hide)

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

History

No history.

Information

Published : 2021-04-08 05:15

Updated : 2024-02-28 18:28

NVD link : CVE-2021-1252

Mitre link : CVE-2021-1252

CVE.ORG link : CVE-2021-1252

JSON object : View

Products Affected

clamav

clamav

CWE

CWE-835

Loop with Unreachable Exit Condition ('Infinite Loop')

CWE-20

Improper Input Validation

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