authentikat-jwt up to 0.4.5 JsonWebToken.scala JsonWebTokenvalidate Request 7pk time and state

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.6$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in authentikat-jwt up to 0.4.5. This affects the function JsonWebTokenvalidate of the file main/scala/authentikat/jwt/JsonWebToken.scala. This manipulation as part of Request causes 7pk time and state. This vulnerability is tracked as CVE-2017-18239. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability has been found in authentikat-jwt up to 0.4.5 and classified as critical. Affected by this vulnerability is the function JsonWebTokenvalidate of the file main/scala/authentikat/jwt/JsonWebToken.scala. The manipulation as part of a Request leads to a 7pk time and state vulnerability. The CWE definition for the vulnerability is CWE-361. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

A time-sensitive equality check on the JWT signature in the JsonWebToken.validate method in main/scala/authentikat/jwt/JsonWebToken.scala in authentikat-jwt (aka com.jason-goodwin/authentikat-jwt) version 0.4.5 and earlier allows the supplier of a JWT token to guess bit after bit of the signature by repeating validation requests.

The bug was discovered 03/17/2018. The weakness was disclosed 03/18/2018 (Website). It is possible to read the advisory at github.com. This vulnerability is known as CVE-2017-18239 since 03/17/2018. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.6
VulDB Meta Temp Score: 9.6

VulDB Base Score: 9.4
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: 7pk time and state
CWE: CWE-361
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

03/17/2018 🔍
03/17/2018 +0 days 🔍
03/17/2018 +0 days 🔍
03/18/2018 +1 days 🔍
03/18/2018 +0 days 🔍
02/22/2023 +1802 days 🔍

Sourcesinfo

Advisory: 2d2fa0d40ac8f2f7aa7e9b070fa1a25eee082cb0
Status: Not defined

CVE: CVE-2017-18239 (🔍)
GCVE (CVE): GCVE-0-2017-18239
GCVE (VulDB): GCVE-100-114727

Entryinfo

Created: 03/18/2018 10:24
Updated: 02/22/2023 10:37
Changes: 03/18/2018 10:24 (56), 01/14/2020 16:08 (1), 02/22/2023 10:30 (4), 02/22/2023 10:37 (1)
Complete: 🔍
Cache ID: 216::103

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