CVE-2018-1000539
ruby-json-jwt - security update
5.3
MEDIUM
CVSS 3.1
EPSS 0.78%
Description
Nov json-jwt version >= 0.5.0 && < 1.9.4 contains a CWE-347: Improper Verification of Cryptographic Signature vulnerability in Decryption of AES-GCM encrypted JSON Web Tokens that can result in Attacker can forge a authentication tag. This attack appear to be exploitable via network connectivity. This vulnerability appears to have been fixed in 1.9.4 and later.
How to fix CVE-2018-1000539
To remediate CVE-2018-1000539, upgrade the affected package to a fixed version below.
- —upgrade to 1.9.4-1 or later
- —upgrade to 1.6.2-1+deb9u1 or later
- —upgrade to 1.9.4 or later
Is CVE-2018-1000539 being exploited?
Low — EPSS is 0.8%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 1.9.4-1
- from 0, < 1.6.2-1+deb9u1
- >= 0.5.1, < 1.9.4
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |