CVE-2017-12973

Description

Nimbus JOSE+JWT before 4.39 proceeds improperly after detection of an invalid HMAC in authenticated AES-CBC decryption, which allows attackers to conduct a padding oracle attack.

Category

3.1
CVSS
Severity: Low
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.51%
Third-Party Advisory bitbucket.org Third-Party Advisory bitbucket.org Third-Party Advisory bitbucket.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://bitbucket.org/connect2id/nimbus-jose-jwt/commits/6a29f10f723f406eb25555f55842c59a43a38912 third party advisory patch
https://bitbucket.org/connect2id/nimbus-jose-jwt/issues/223/aescbc-return-immediately-on-invalid-hmac third party advisory
https://bitbucket.org/connect2id/nimbus-jose-jwt/src/master/CHANGELOG.txt third party advisory release notes

Frequently Asked Questions

What is the severity of CVE-2017-12973?
CVE-2017-12973 has been scored as a low severity vulnerability.
How to fix CVE-2017-12973?
To fix CVE-2017-12973, 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-2017-12973 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-12973 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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