Executive Summary

Informations
Name CVE-2023-42448 First vendor Publication 2023-10-04
Vendor Cve Last vendor Modification 2023-10-10

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Overall CVSS Score 8.1
Base Score 8.1 Environmental Score 8.1
impact SubScore 5.2 Temporal Score 8.1
Exploitabality Sub Score 2.8
 
Attack Vector Network Attack Complexity Low
Privileges Required Low User Interaction None
Scope Unchanged Confidentiality Impact None
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector :
Cvss Base Score N/A Attack Range N/A
Cvss Impact Score N/A Attack Complexity N/A
Cvss Expoit Score N/A Authentication N/A
Calculate full CVSS 2.0 Vectors scores

Detail

Hydra is the layer-two scalability solution for Cardano. Prior to version 0.13.0, the specification states that the contestation period in the datum of the UTxO at the head validator must stay unchanged as the state progresses from Open to Closed (Close transaction), but no such check appears to be performed in the `checkClose` function of the head validator. This would allow a malicious participant to modify the contestation deadline of the head to either allow them to fanout the head without giving another participant the chance to contest, or prevent any participant from ever redistributing the funds locked in the head via a fan-out. Version 0.13.0 contains a patch for this issue.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-42448

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1

Sources (Detail)

Source Url
MISC https://github.com/input-output-hk/hydra/blob/master/CHANGELOG.md#0130---2023...
https://github.com/input-output-hk/hydra/blob/master/hydra-plutus/src/Hydra/C...
https://github.com/input-output-hk/hydra/blob/master/hydra-plutus/src/Hydra/C...
https://github.com/input-output-hk/hydra/commit/2f45529729e28254a62f7a7c8d664...
https://github.com/input-output-hk/hydra/security/advisories/GHSA-mgcx-6p7h-5996

Alert History

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0
1
Date Informations
2023-10-10 17:27:22
  • Multiple Updates
2023-10-05 00:27:24
  • First insertion