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Affected Component
Analysis
libssh
Patched
Name
CVE-2023-6004
Description
A flaw was found in libssh. By utilizing the ProxyCommand or ProxyJump feature, users can exploit unchecked hostname syntax on the client. This issue may allow an attacker to inject malicious code into the command of the features mentioned through the hostname parameter.
Published Date
Updated Date
Workaround
-
Advisories
https://access.redhat.com/security/cve/CVE-2023-6004Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2251110Issue Tracking
https://access.redhat.com/security/cve/CVE-2023-6004Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2251110Issue Tracking
Analysis#
Vulnerability Ratings#
4.8
CVSSv31
4.8
CVSSv31
NaN
other
Others affected components#
Resolved with patches#
libssh (yocto:kirkstone)
#
Title
Author
Resolve
1
CVE-2023-6004: options: Simplify the hostname parsing in
Norbert Pocs <norbertpocs0@gmail.com>
CVE-2023-6004
2
CVE-2023-6004 misc: Add ipv6 link-local check for an ip
Norbert Pocs <norbertpocs0@gmail.com>
CVE-2023-6004
3
CVE-2023-6004: config_parser: Allow multiple '@' in usernames
Norbert Pocs <norbertpocs0@gmail.com>
CVE-2023-6004
4
CVE-2023-6004: misc: Add function to check allowed characters
Norbert Pocs <norbertpocs0@gmail.com>
CVE-2023-6004
5
CVE-2023-6004: config_parser: Check for valid syntax of a
Norbert Pocs <norbertpocs0@gmail.com>
CVE-2023-6004
6
Fix regression in IPv6 addresses in hostname parsing
Jakub Jelen <jjelen@redhat.com>
CVE-2023-6004