Medium severity · published Jan 3, 2024
CVE-2023-6004
A flaw was found in libssh
4.8
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 39% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EL
Enterprise Linux · Redhat
8.0; 9.0 · source: NVD
FE
Fedora · Fedoraproject
38 · source: NVD
LI
Libssh · Libssh
0.8.0 before 0.9.8; 0.10.0 before 0.10.6 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-6004
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-6004
access.redhat.com
https://access.redhat.com/errata/RHSA-2024:2504
access.redhat.com
https://access.redhat.com/errata/RHSA-2024:3233
Vendor Advisory
https://access.redhat.com/security/cve/CVE-2023-6004
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=2251110
Mailing List
https://www.libssh.org/security/advisories/CVE-2023-6004.txt
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LZQVUHWVWRH73YBXUQJOD6CKHDQBU3DM/
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