Improper input validation in Inversoft Prime-Jwt
CVE-2018-1000125
inversoft prime-jwt version prior to version 1.3.0 or prior to commit 0d94dcef0133d699f21d217e922564adbb83a227 contains an input validation vulnerability in JWTDecoder.decode that can result in a JWT that is decoded and thus implicitly validated even if it lacks a valid signature. This attack appear to be exploitable via an attacker crafting a token with a valid header and body and then requests it to be validated. This vulnerability appears to have been fixed in 1.3.0 and later or after commit 0d94dcef0133d699f21d217e922564adbb83a227.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.014 (70.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 70.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/inversoft/prime-jwt/blob/master/CHANGES (Third Party Advisory, Release Notes)
- github.com/inversoft/prime-jwt/issues/2 (Third Party Advisory)
Frequently asked questions
- What is CVE-2018-1000125?
- CVE-2018-1000125 is a critical-severity vulnerability in Inversoft Prime-Jwt, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2018-03-13.
- How severe is CVE-2018-1000125?
- Critical severity. CVSS v3 base score is 9.8 out of 10.