CHANGING Inc. TSSServiSignAdapter Windows Versions - Improper Input Validation
CVE-2021-37909

9.8CRITICAL

Key Information:

Vendor

Changing Inc.

Status
Tssservisignadapter
Vendor
CVE Published:
15 September 2021

What is CVE-2021-37909?

WriteRegistry function in TSSServiSign component does not filter and verify users’ input, remote attackers can rewrite to the registry without permissions thus perform hijack attacks to execute arbitrary code.

Affected Version(s)

TSSServiSignAdapter Windows <= 1.0.20.0316

References

https://www.twcert.org.tw/tw/cp-132-5093-76f04-1.html
x_refsource_MISC

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.