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Security Advisories: GSA_kwCzR0hTQS05Y3hoLWdxcHgtcWM1bc0WiA

Credential Disclosure in System.DirectoryServices.Protocols

Microsoft is releasing this security advisory to provide information about a vulnerability in .NET. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability.

A Information Disclosure vulnerability exists in .NET where System.DirectoryServices.Protocols.LdapConnection may send credentials in plain text on Linux.

Patches

Any .NET application that uses System.DirectoryServices.Protocols with a vulnerable version listed below on system based on Linux.

Package name Vulnerable versions Secure versions
System.DirectoryServices.Protocols 5.0.0 5.0.1

Other Details

Permalink: https://github.com/advisories/GHSA-9cxh-gqpx-qc5m
JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS05Y3hoLWdxcHgtcWM1bc0WiA
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Moderate
Classification: General
Published: about 3 years ago
Updated: almost 2 years ago


CVSS Score: 5.7
CVSS vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

EPSS Percentage: 0.14665
EPSS Percentile: 0.959

Identifiers: GHSA-9cxh-gqpx-qc5m, CVE-2021-41355
References: Repository: https://github.com/dotnet/runtime
Blast Radius: 1.0

Affected Packages

nuget:System.DirectoryServices.Protocols
Dependent packages: 76
Dependent repositories: 0
Downloads: 124,720,352 total
Affected Version Ranges: < 5.0.1
Fixed in: 5.0.1
All affected versions: 4.5.0, 4.6.0, 4.7.0, 5.0.0
All unaffected versions: 5.0.1, 6.0.0, 6.0.1, 6.0.2, 7.0.0, 7.0.1, 8.0.0