CVE Vulnerability

CVE-2020-14966

An issue was discovered in the jsrsasign package through 8.0.18 for Node.js. It allows a malleability in ECDSA signatures by not checking overflows in the length of a sequence and '0' characters appended or prepended to an integer. The modified signatures are verified as valid. This could have a security-relevant impact if an application relied on a single canonical signature.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://github.com/kjur/jsrsasign/releases/tag/8.0.17 Release Notes Third Party Advisory
https://github.com/kjur/jsrsasign/releases/tag/8.0.18 Release Notes Third Party Advisory
https://www.npmjs.com/package/jsrsasign Product Third Party Advisory
https://github.com/kjur/jsrsasign/issues/437 Exploit Issue Tracking
https://kjur.github.io/jsrsasign/ Release Notes Third Party Advisory
https://security.netapp.com/advisory/ntap-20200724-0001/ Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:jsrsasign_project:jsrsasign:*:*:*:*:*:node.js:*:*
cpe:2.3:a:netapp:max_data:-:*:*:*:*:*:*:*
Information

Published : 2020-06-22 12:15

Updated : 2023-01-28 12:57

NVD link : CVE-2020-14966

Mitre link : CVE-2020-14966

Products Affected
No products.
CWE
CWE-347

Improper Verification of Cryptographic Signature