CVE-2021-30130 Information

Description

phpseclib before 2.0.31 and 3.x before 3.0.7 mishandles RSA PKCS1 v1.5 signature verification.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Reference

https://github.com/phpseclib/phpseclib/releases/tag/2.0.31 https://github.com/phpseclib/phpseclib/pull/1635 https://github.com/phpseclib/phpseclib/releases/tag/3.0.7

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

NONE

Base Severity

7.5