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CVE-2017-12973

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Date: August 20, 2017

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.

Language: Java

Severity Score

Related Resources (5)

https://bitbucket.org/connect2id/nimbus-jose-jwt/src/master/CHANGELOG.txt
https://bitbucket.org/connect2id/nimbus-jose-jwt/issues/223/aescbc-return-immediately-on-invalid-hmac
https://nvd.nist.gov/vuln/detail/CVE-2017-12973
https://bitbucket.org/connect2id/nimbus-jose-jwt/commits/6a29f10f723f406eb25555f55842c59a43a38912
https://www.mend.io/vulnerability-database/CVE-2017-12973

Severity Score

Weakness Type (CWE)

Cryptographic Issues

CWE-310

Improper Validation of Integrity Check Value

CWE-354

Top Fix

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Upgrade to version com.nimbusds:nimbus-jose-jwt:4.39

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): NONE
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): NONE
Additional information:

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