Deserialization of Untrusted Data in Avalanche - CVE-2021-42127

 

Deserialization of Untrusted Data in Avalanche - CVE-2021-42127

Published: November 22, 2021


Vulnerability identifier: #VU58284
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-42127
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to insecure input validation when processing serialized data within the StatServer service. A remote attacker can pass specially crafted data to the application and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Affected software

Avalanche

How to mitigate CVE-2021-42127

Install updates from vendor's website.

Avalanche - update to 6.3.3.101

External References

Related Security Bulletins