CVE-2018-1000539

UnknownEPSS 0.78%

Last modified

CVE-2018-1000539 is a vulnerability of currently unknown severity. 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. EPSS estimates a 0.78% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
0.78%

51.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
Json-Jwt ProjectJson-Jwt>= 0.5.0, < 1.9.4

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2018-1000539?
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 severe is CVE-2018-1000539?
Severity scoring for CVE-2018-1000539 is pending analysis. The EPSS model estimates a 0.78% probability of exploitation in the next 30 days.
How do I fix CVE-2018-1000539?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-1000539?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST