Executive Summary

Informations
Name CVE-2023-27496 First vendor Publication 2023-04-04
Vendor Cve Last vendor Modification 2024-11-21

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Overall CVSS Score 7.5
Base Score 7.5 Environmental Score 7.5
impact SubScore 3.6 Temporal Score 7.5
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact None
Integrity Impact None 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

Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to versions 1.26.0, 1.25.3, 1.24.4, 1.23.6, and 1.22.9, the OAuth filter assumes that a `state` query param is present on any response that looks like an OAuth redirect response. Sending it a request with the URI path equivalent to the redirect path, without the `state` parameter, will lead to abnormal termination of Envoy process. Versions 1.26.0, 1.25.3, 1.24.4, 1.23.6, and 1.22.9 contain a patch. The issue can also be mitigated by locking down OAuth traffic, disabling the filter, or by filtering traffic before it reaches the OAuth filter (e.g. via a lua script).

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-27496

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 28

Sources (Detail)

https://github.com/envoyproxy/envoy/security/advisories/GHSA-j79q-2g66-2xv5
Source Url

Alert History

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Date Informations
2024-11-28 14:23:32
  • Multiple Updates
2023-11-07 21:29:29
  • Multiple Updates
2023-10-19 02:28:45
  • Multiple Updates
2023-04-11 21:27:43
  • Multiple Updates
2023-04-05 17:27:16
  • Multiple Updates
2023-04-05 00:27:13
  • First insertion