Improper Verification of Cryptographic Signature in OpenPGP.js - CVE-2025-47934
Published: May 21, 2025
Vulnerability identifier: #VU109599
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N]
CVE-ID: CVE-2025-47934
CWE-ID: CWE-347
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform spoofing attack.
The vulnerability exists due to incorrect signature verification in openpgp.verify and openpgp.decrypt methods. A remote attacker can spoof contents of inline (non-detached) signed messages.
Affected software
OpenPGP.js
Astronomer with IBM
Astronomer with IBM
How to mitigate CVE-2025-47934
Install updates from vendor's website.
OpenPGP.js - addressed in versions 5.11.3, 6.1.1
Astronomer with IBM - update to 1.1.0
Astronomer with IBM - update to 1.1.0
External References
- https://github.com/openpgpjs/openpgpjs/commit/43f5f4e2bd67d0514d06acc60b6ee571a049c229
- https://github.com/openpgpjs/openpgpjs/commit/bd54e8535ca29b3bef58a8c02296892e408be356
- https://github.com/openpgpjs/openpgpjs/releases/tag/v5.11.3
- https://github.com/openpgpjs/openpgpjs/releases/tag/v6.1.1
- https://github.com/openpgpjs/openpgpjs/security/advisories/GHSA-8qff-qr5q-5pr8