CVE-2019-9153

Improper Verification of a Cryptographic Signature in OpenPGP.js <=4.1.2 allows an attacker to forge signed messages by replacing its signatures with a "standalone" or "timestamp" signature.

CVSS v3.0

7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

CVSS v3.0

7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

CVSS v2.0

5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:P/A:N

EPSS

2.01% chance of exploitation in the next 30 days, 80th percentile

Published

2019-08-22

Updated

2024-08-04

Proof-of-concept exploits (2)

• https://sec-consult.com/en/blog/advisories/multiple-vulnerabilities-in-openpgp-js/
• ZenyWay/opgp-service-cve-2019-91530★ · 2023-01-04

References

• CVE Record
• NVD entry

Related

• CVE-2019-9151
• CVE-2019-9154
• CVE-2019-9144
• CVE-2019-9155
• CVE-2019-9143
• CVE-2019-9156