Vulnerability Monitor

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CVE-2021-40833

A vulnerability affecting F-Secure antivirus engine was discovered whereby unpacking UPX file can lead to denial-of-service. The vulnerability can be exploited remotely by an attacker. A successful attack will result in denial-of-service of the antivirus engine.

Published

2021-11-26T17:15:07.903

Last Modified

2024-11-21T06:24:52.963

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.5 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

8.6

Impact Score

2.9

Weaknesses

Type: Primary
CWE-404

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	f-secure	atlant	-	Yes
Application	f-secure	internet_gatekeeper	-	Yes
Application	f-secure	linux_security	-	Yes
Application	f-secure	linux_security_64	-	Yes
Application	f-secure	elements_endpoint_protection	-	Yes
Operating System	apple	macos	-	No
Operating System	microsoft	windows	-	No

References

https://www.f-secure.com/en/business/programs/vulnerability-reward-program/hall-of-fame Vendor Advisory ([email protected])
https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-40833 Vendor Advisory ([email protected])
https://www.f-secure.com/en/business/programs/vulnerability-reward-program/hall-of-fame Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-40833 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)