CVE-2023-6004: medium-severity vulnerability in Red Hat Enterprise Linux 7
Libssh: proxycommand/proxyjump features allow injection of malicious code through hostname
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 4.8epss 0.4%
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:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L
Affected products
Red Hat · Red Hat Enterprise Linux 7Red Hat · Red Hat Enterprise Linux 8Red Hat · Red Hat Enterprise Linux 9Related CVEs — Red Hat Enterprise Linux 7
In the same product, most dangerous first.
CVE-2023-4911HIGHGlibc: buffer overflow in ld.so leading to privilege escalationEPSS 63.8%KEVCVE-2024-6387HIGHOpenssh: regresshion - race condition in ssh allows rce/dosEPSS 99.5%CVE-2024-3094CRITICALXz: malicious code in distributed sourceEPSS 90.9%CVE-2023-46847HIGHSquid: denial of service in http digest authenticationEPSS 78.5%CVE-2024-12084CRITICALRsync: heap buffer overflow in rsync due to improper checksum length handlingEPSS 72.5%CVE-2023-1183MEDIUMArbitrary file writeEPSS 64.9%
References
https://access.redhat.com/errata/RHSA-2024:2504https://access.redhat.com/errata/RHSA-2024:3233https://access.redhat.com/security/cve/CVE-2023-6004https://bugzilla.redhat.com/show_bug.cgi?id=2251110https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LZQVUHWVWRH73YBXUQJOD6CKHDQBU3DM/https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MKQRBF3DWMWPH36LBCOBUTSIZRTPEZXB/https://security.netapp.com/advisory/ntap-20240223-0004/https://www.libssh.org/security/advisories/CVE-2023-6004.txt