CVE-2021-44878
CVSS v3.1
7.5 (High)
CVSS v2.0
5 (Medium)
EPSS
0.22 % (60th)
Affected Products
1
Advisories
1
If an OpenID Connect provider supports the "none" algorithm (i.e., tokens with no signature), pac4j v5.3.0 (and prior) does not refuse it without an explicit configuration on its side or for the "idtoken" response type which is not secure and violates the OpenID Core Specification. The "none" algorithm does not require any signature verification when validating the ID tokens, which allows the attacker to bypass the token validation by injecting a malformed ID token using "none" as the value of "alg" key in the header with an empty signature value.
Weaknesses
- CWE-347
- Improper Verification of Cryptographic Signature
- CVE Status
- PUBLISHED
- CNA
- MITRE
- Published Date
-
2022-01-06 13:15:08
(2 years ago) - Updated Date
-
2022-05-13 15:51:59
(2 years ago)
Affected Products
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Configuration #1
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