Vulnerability Description
GoSign Desktop versions 2.4.0 and earlier use an unsigned update manifest for distributing application updates. The manifest contains package URLs and SHA-256 hashes but is not digitally signed, so its authenticity relies solely on the underlying TLS channel. In affected versions, TLS certificate validation can be disabled when a proxy is configured, allowing an attacker who can intercept network traffic to supply a malicious update manifest and corresponding package with a matching hash. This can cause the client to download and install a tampered update, resulting in arbitrary code execution with the privileges of the GoSign Desktop user on Windows and macOS, or with elevated privileges on some Linux deployments. A local attacker who can modify proxy settings may also abuse this behavior to escalate privileges by forcing installation of a crafted update.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Infocert | Gosign | < 2.4.1 |
Related Weaknesses (CWE)
References
- https://infocert.digital/consumer/gosign-suite/Product
- https://www.ush.it/2025/11/14/multiple-vulnerabilities-gosign-desktop-remote-codExploitThird Party Advisory
- https://www.ush.it/2025/11/14/vulnerabilita-multiple-gosign-desktop-esecuzione-rExploitThird Party Advisory
- https://www.vulncheck.com/advisories/gosign-desktop-insecure-update-mechanism-rcThird Party Advisory
- https://www.ush.it/2025/11/14/multiple-vulnerabilities-gosign-desktop-remote-codExploitThird Party Advisory
- https://www.ush.it/2025/11/14/vulnerabilita-multiple-gosign-desktop-esecuzione-rExploitThird Party Advisory
FAQ
What is CVE-2025-34324?
CVE-2025-34324 is a vulnerability with a CVSS score of 7.8 (HIGH). GoSign Desktop versions 2.4.0 and earlier use an unsigned update manifest for distributing application updates. The manifest contains package URLs and SHA-256 hashes but is not digitally signed, so it...
How severe is CVE-2025-34324?
CVE-2025-34324 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-34324?
Check the references section above for vendor advisories and patch information. Affected products include: Infocert Gosign.