Bug 2011487 (CVE-2021-41355) - CVE-2021-41355 dotnet: System.DirectoryServices.Protocols.LdapConnection sends credentials in plaintext if TLS handshake fails
Summary: CVE-2021-41355 dotnet: System.DirectoryServices.Protocols.LdapConnection send...
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2021-41355
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2012148 2012149 2012150 2013471 2014169
Blocks: 2011488
TreeView+ depends on / blocked
 
Reported: 2021-10-06 17:06 UTC by Guilherme de Almeida Suckevicz
Modified: 2021-10-19 17:44 UTC (History)
13 users (show)

Fixed In Version: runtime 5.0.11, sdk 5.0.208
Clone Of:
Environment:
Last Closed: 2021-10-12 20:08:23 UTC
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2021:3818 0 None None None 2021-10-12 19:48:37 UTC
Red Hat Product Errata RHSA-2021:3819 0 None None None 2021-10-12 20:01:17 UTC

Description Guilherme de Almeida Suckevicz 2021-10-06 17:06:18 UTC 
It was discovered that System.DirectoryServices.Protocols.LdapConnection sends credentials in plaintext if the TLS handshake failed. An attacker could exploit this to potentially intercept sensitive information.
Comment 3 errata-xmlrpc 2021-10-12 19:48:35 UTC 
This issue has been addressed in the following products:

  .NET Core on Red Hat Enterprise Linux

Via RHSA-2021:3818 https://access.redhat.com/errata/RHSA-2021:3818
Comment 4 errata-xmlrpc 2021-10-12 20:01:15 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2021:3819 https://access.redhat.com/errata/RHSA-2021:3819
Comment 5 Product Security DevOps Team 2021-10-12 20:08:23 UTC 
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2021-41355
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