Description
phpseclib before 2.0.31 and 3.x before 3.0.7 mishandles RSA PKCS#1 v1.5 signature verification.
References (5)
Core 5
Core References
Mailing List, Third Party Advisory mailing-list
https://lists.debian.org/debian-lts-announce/2022/11/msg00024.html
Mailing List, Third Party Advisory mailing-list
https://lists.debian.org/debian-lts-announce/2022/11/msg00025.html
Patch, Third Party Advisory
https://github.com/phpseclib/phpseclib/pull/1635
Release Notes, Third Party Advisory
https://github.com/phpseclib/phpseclib/releases/tag/2.0.31
Release Notes, Third Party Advisory
https://github.com/phpseclib/phpseclib/releases/tag/3.0.7
Scores
CVSS v3
7.5
EPSS
0.0109
EPSS Percentile
60.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Details
CWE
CWE-347
Status
published
Products (3)
debian/debian_linux
10.0
phpseclib/phpseclib
< 2.0.31
phpseclib/phpseclib
3.0.0 - 3.0.7Packagist
Published
Apr 06, 2021
Tracked Since
Feb 18, 2026