Bug 2251110 (CVE-2023-6004) - CVE-2023-6004 libssh: ProxyCommand/ProxyJump features allow injection of malicious code through hostname
Summary: CVE-2023-6004 libssh: ProxyCommand/ProxyJump features allow injection of mali...
Keywords:
Status: NEW
Alias: CVE-2023-6004
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2255152
Blocks: 2251111
TreeView+ depends on / blocked
 
Reported: 2023-11-22 23:23 UTC by Anten Skrabec
Modified: 2024-05-22 10:19 UTC (History)
2 users (show)

Fixed In Version: libssh 0.9.8, libssh 0.10.6
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2024:2504 0 None None None 2024-04-30 11:01:03 UTC
Red Hat Product Errata RHSA-2024:3233 0 None None None 2024-05-22 10:19:53 UTC

Description Anten Skrabec 2023-11-22 23:23:13 UTC 
Using the ProxyCommand or the ProxyJump feature enables users to exploit
unchecked hostname syntax on the client, which enables to inject malicious code
into the command of the above-mentioned features through the hostname parameter.

User interaction is required to exploit this issue.
Comment 2 Anten Skrabec 2023-12-18 22:29:41 UTC 
Created libssh tracking bugs for this issue:

Affects: fedora-all [bug 2255152]
Comment 4 errata-xmlrpc 2024-04-30 11:01:02 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2024:2504 https://access.redhat.com/errata/RHSA-2024:2504
Comment 5 errata-xmlrpc 2024-05-22 10:19:51 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2024:3233 https://access.redhat.com/errata/RHSA-2024:3233
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