robbert229 JWT HMAC Comparison timing discrepancy

CVSS Meta Temp Score
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CTI Interest Score
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5.0$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in robbert229 JWT. The impacted element is an unknown function of the component HMAC Comparison. Performing a manipulation results in timing discrepancy. This vulnerability is reported as CVE-2015-10004. No exploit exists. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability classified as problematic has been found in robbert229 JWT (the affected version is unknown). This affects an unknown code of the component HMAC Comparison. The manipulation with an unknown input leads to a timing discrepancy vulnerability. CWE is classifying the issue as CWE-208. Two separate operations in a product require different amounts of time to complete, in a way that is observable to an actor and reveals security-relevant information about the state of the product, such as whether a particular operation was successful or not. This is going to have an impact on confidentiality. The summary by CVE is:

Token validation methods are susceptible to a timing side-channel during HMAC comparison. With a large enough number of requests over a low latency connection, an attacker may use this to determine the expected HMAC.

The weakness was disclosed 12/28/2022 as 12. It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2015-10004 since 07/29/2022. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

Applying the patch ca1404ee6e83fcbafb66b09ed0d543850a15b654 is able to eliminate this problem. The bugfix is ready for download at github.com.

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Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 5.0

VulDB Base Score: 2.6
VulDB Temp Score: 2.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Timing discrepancy
CWE: CWE-208 / CWE-203 / CWE-200
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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: ca1404ee6e83fcbafb66b09ed0d543850a15b654

Timelineinfo

07/29/2022 🔍
12/28/2022 +152 days 🔍
12/28/2022 +0 days 🔍
04/12/2025 +836 days 🔍

Sourcesinfo

Product: github.com

Advisory: 12
Status: Confirmed

CVE: CVE-2015-10004 (🔍)
GCVE (CVE): GCVE-0-2015-10004
GCVE (VulDB): GCVE-100-216927

Entryinfo

Created: 12/28/2022 09:17
Updated: 04/12/2025 10:30
Changes: 12/28/2022 09:17 (40), 01/25/2023 12:13 (11), 04/12/2025 10:30 (16)
Complete: 🔍
Cache ID: 216::103

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