cve-2020-1730
Vulnerability from cvelistv5
Published
2020-04-13 00:00
Modified
2024-08-04 06:46
Severity ?
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS score ?
0.08% (0.20074)
Summary
A flaw was found in libssh versions before 0.8.9 and before 0.9.4 in the way it handled AES-CTR (or DES ciphers if enabled) ciphers. The server or client could crash when the connection hasn't been fully initialized and the system tries to cleanup the ciphers when closing the connection. The biggest threat from this vulnerability is system availability.
References
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1730Issue Tracking, Third Party Advisory
secalert@redhat.comhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2A7BIFKUYIYKTY7FX4BEWVC2OHS5DPOU/
secalert@redhat.comhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VLSWHBQ3EPKGTGLQNH554Z746BJ3C554/
secalert@redhat.comhttps://security.netapp.com/advisory/ntap-20200424-0001/Third Party Advisory
secalert@redhat.comhttps://usn.ubuntu.com/4327-1/Third Party Advisory
secalert@redhat.comhttps://www.libssh.org/security/advisories/CVE-2020-1730.txtVendor Advisory
secalert@redhat.comhttps://www.oracle.com/security-alerts/cpuoct2020.htmlPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1730Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2A7BIFKUYIYKTY7FX4BEWVC2OHS5DPOU/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VLSWHBQ3EPKGTGLQNH554Z746BJ3C554/
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20200424-0001/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/4327-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.libssh.org/security/advisories/CVE-2020-1730.txtVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.oracle.com/security-alerts/cpuoct2020.htmlPatch, Third Party Advisory
Impacted products
Vendor Product Version
Red Hat libssh Version: libssh versions before 0.8.9
Version: libssh versions before 0.9.4
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}


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