CVE-2018-1000539

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.

Category

5.3
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.14%
Vendor Advisory debian.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/nov/json-jwt/pull/62 third party advisory
https://www.debian.org/security/2018/dsa-4283 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-1000539?
CVE-2018-1000539 has been scored as a medium severity vulnerability.
How to fix CVE-2018-1000539?
To fix CVE-2018-1000539, 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-2018-1000539 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-1000539 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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