PSIRT Advisory – ASA-0003

Summary:
A potential security vulnerability in High Level Synthesis Compiler Software may allow escalation of privilege.

CVE ID: CVE-2025-13669

Vulnerability Details:
A Current Working Directory (CWD) DLL planting vulnerability exists in a batch file in a design example.

Mitigations and Recommendations:
Altera recommends replacing the build.bat with the file located here. This is a Windows Issue. The Linux version is not affected.

Description/CWE: CWE-427: Uncontrolled Search Path Element

CVSS Base Score 6.7 Severity Medium

CVSS Vector 3.1: CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H

CVSS Base Score 4.0: 5.4 Medium CVSS

Vector 4.0: CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVE ID: CVE-2025-13670

Vulnerability Details:
The High Level Synthesis Compiler i++ command for Windows is vulnerable to a DLL planting vulnerability. The Linux version is not affected.

Mitigations and Recommendations:
To mitigate the issue, Altera recommends restricting write access to the directory “C:\quartus\bin64" to system administrators only

Description/CWE: CWE-427: Uncontrolled Search Path Element

CVSS Base Score 6.7 Severity Medium

CVSS Vector 3.1: CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H

CVSS Base Score 4.0: 5.4 Medium CVSS

Vector 4.0: CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Acknowledgements:
Altera would like to thank ycdxsb for reporting these issues

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