Information Exposure Affecting microsoft.aspnetcore.signalr.stackexchangeredis package, versions [6.0.0,6.0.21)[7.0.0,7.0.10)


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Proof of concept
EPSS
0.27% (69th percentile)

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  • Snyk IDSNYK-DOTNET-MICROSOFTASPNETCORESIGNALRSTACKEXCHANGEREDIS-5834430
  • published9 Aug 2023
  • disclosed8 Aug 2023
  • creditBrennan Conroy

Introduced: 8 Aug 2023

CVE-2023-35391  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade Microsoft.AspNetCore.SignalR.StackExchangeRedis to version 6.0.21, 7.0.10 or higher.

Overview

Affected versions of this package are vulnerable to Information Exposure. Exploiting this vulnerability allows an attacker to listen to any group or user with a specially crafted group or username and receive messages for groups they are unauthorized to view.

References

CVSS Scores

version 3.1