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PRIOn knowledge basePRION:CVE-2023-31580

HistoryOct 25, 2023 - 6:17 p.m.

Design/Logic Flaw

2023-10-2518:17:00

PRIOn knowledge base

www.prio-n.com

light-oauth2

design flaw

unverified key access

unauthorized authentication

crafted jwt token

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

5.6 Medium

AI Score

Confidence

High

2.6 Low

CVSS2

Access Vector

NETWORK

Access Complexity

HIGH

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:H/Au:N/C:P/I:N/A:N

0.001 Low

EPSS

Percentile

34.3%

JSON

light-oauth2 before version 2.1.27 obtains the public key without any verification. This could allow attackers to authenticate to the application with a crafted JWT token.

CPENameOperatorVersion
light-oauth2lt2.1.27

CPE	Name	Operator	Version
	light-oauth2	lt	2.1.27

References

github.com/KANIXB/JWTIssues/blob/main/Certification%20Verification%20issue%20in%20light-oauth2.md

github.com/networknt/light-oauth2/issues/369

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

5.6 Medium

AI Score

Confidence

High

2.6 Low

CVSS2

Access Vector

NETWORK

Access Complexity

HIGH

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:H/Au:N/C:P/I:N/A:N

0.001 Low

EPSS

Percentile

34.3%

JSON

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