Improper Certificate Validation in phpseclib · CVE-2021-30130 · GitHub Advisory Database · GitHub

Improper Certificate Validation in phpseclib

High severity GitHub Reviewed Published Apr 7, 2021 to the GitHub Advisory Database • Updated Feb 7, 2024

Package

phpseclib/phpseclib (Composer)

Affected versions

>= 3.0.0, < 3.0.7

< 2.0.31

Patched versions

3.0.7

2.0.31

Description

phpseclib before 2.0.31 and 3.x before 3.0.7 mishandles RSA PKCS#1 v1.5 signature verification.

References

Published by the National Vulnerability Database

Apr 6, 2021

Reviewed Apr 7, 2021

Published to the GitHub Advisory Database Apr 7, 2021

Last updated Feb 7, 2024

Severity

High

7.5

/ 10

CVSS base metrics

Attack vector

Network

Attack complexity

Low

Privileges required

None

User interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

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