CVE-2018-1000125

Description

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.43%
Third-Party Advisory github.com Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/inversoft/prime-jwt/blob/master/CHANGES third party advisory release notes
https://github.com/inversoft/prime-jwt/issues/2 third party advisory

Frequently Asked Questions

What is the severity of CVE-2018-1000125?
CVE-2018-1000125 has been scored as a critical severity vulnerability.
How to fix CVE-2018-1000125?
To fix CVE-2018-1000125, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-1000125 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-1000125 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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