CVE-2020-14967

9.8 CRITICAL
Published: June 22, 2020 Modified: June 22, 2026
View on NVD

Description

An issue was discovered in the jsrsasign package before 8.0.18 for Node.js. Its RSA PKCS1 v1.5 decryption implementation does not detect ciphertext modification by prepending '\0' bytes to ciphertexts (it decrypts modified ciphertexts without error). An attacker might prepend these bytes with the goal of triggering memory corruption issues.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/kjur/jsrsasign/issues/439
Source: cve@mitre.org
Exploit Issue Tracking Third Party Advisory
https://github.com/kjur/jsrsasign/releases/tag/8.0.17
Source: cve@mitre.org
Release Notes Third Party Advisory
https://github.com/kjur/jsrsasign/releases/tag/8.0.18
Source: cve@mitre.org
Release Notes Third Party Advisory
https://kjur.github.io/jsrsasign/
Source: cve@mitre.org
Release Notes Third Party Advisory
https://security.netapp.com/advisory/ntap-20200724-0001/
Source: cve@mitre.org
Third Party Advisory
https://www.npmjs.com/package/jsrsasign
Source: cve@mitre.org
Product Third Party Advisory
https://github.com/kjur/jsrsasign/issues/439
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Issue Tracking Third Party Advisory
https://github.com/kjur/jsrsasign/releases/tag/8.0.17
Source: af854a3a-2127-422b-91ae-364da2661108
Release Notes Third Party Advisory
https://github.com/kjur/jsrsasign/releases/tag/8.0.18
Source: af854a3a-2127-422b-91ae-364da2661108
Release Notes Third Party Advisory
https://kjur.github.io/jsrsasign/
Source: af854a3a-2127-422b-91ae-364da2661108
Release Notes Third Party Advisory
https://security.netapp.com/advisory/ntap-20200724-0001/
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://www.npmjs.com/package/jsrsasign
Source: af854a3a-2127-422b-91ae-364da2661108
Product Third Party Advisory

12 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.8 / 10.0
EPSS (Exploit Probability)
2.6%
83th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

netapp kjur