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This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.
Description
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.
Metrics
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vector strings. CVSS information contributed by other sources is also
displayed.
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CVE Modified by Red Hat, Inc.11/06/2023 10:19:30 PM
Action
Type
Old Value
New Value
Added
CVSS V3.1
Red Hat, Inc. AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Removed
CVSS V3
Red Hat, Inc. AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Added
Reference
Red Hat, Inc. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2A7BIFKUYIYKTY7FX4BEWVC2OHS5DPOU/ [No types assigned]
Added
Reference
Red Hat, Inc. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VLSWHBQ3EPKGTGLQNH554Z746BJ3C554/ [No types assigned]
Removed
Reference
Red Hat, Inc. https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2A7BIFKUYIYKTY7FX4BEWVC2OHS5DPOU/
Removed
Reference
Red Hat, Inc. https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VLSWHBQ3EPKGTGLQNH554Z746BJ3C554/
Modified Analysis by NIST11/08/2022 3:09:29 PM
Action
Type
Old Value
New Value
Changed
CPE Configuration
OR
*cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
*cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
OR
*cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*
*cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
*cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*
*cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
*cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
*cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
CVE Modified by Red Hat, Inc.10/07/2022 10:15:55 AM
Action
Type
Old Value
New Value
Added
CWE
Red Hat, Inc. CWE-476
Removed
CWE
Red Hat, Inc. CWE-400
Removed
CWE Reason
CWE-400 / More specific CWE option available
Modified Analysis by NIST9/14/2021 9:39:36 AM
Action
Type
Old Value
New Value
Added
CWE
NIST CWE-476
Removed
CWE
NIST CWE-400
Added
CPE Configuration
OR
*cpe:2.3:a:oracle:mysql_workbench:*:*:*:*:*:*:*:* versions up to (including) 8.0.21
Changed
Reference Type
https://www.oracle.com/security-alerts/cpuoct2020.html No Types Assigned
https://www.oracle.com/security-alerts/cpuoct2020.html Patch, Third Party Advisory
CVE Modified by Red Hat, Inc.10/20/2020 6:15:41 PM
CPE Deprecation Remap by NIST10/15/2020 9:28:17 AM
Action
Type
Old Value
New Value
Changed
CPE Configuration
OR
*cpe:2.3:o:redhat:virtualization:4.0:*:*:*:*:*:*:*
OR
*cpe:2.3:a:redhat:virtualization:4.0:*:*:*:*:*:*:*
Modified Analysis by NIST7/10/2020 11:11:53 AM
Action
Type
Old Value
New Value
Added
CVSS V3.1
NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Removed
CVSS V3.1
NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Changed
CPE Configuration
OR
*cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
*cpe:2.3:o:redhat:virtualization:4.0:*:*:*:*:*:*:*
OR
*cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
*cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
*cpe:2.3:o:redhat:virtualization:4.0:*:*:*:*:*:*:*
Changed
Reference Type
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2A7BIFKUYIYKTY7FX4BEWVC2OHS5DPOU/ No Types Assigned
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2A7BIFKUYIYKTY7FX4BEWVC2OHS5DPOU/ Mailing List, Third Party Advisory
Changed
Reference Type
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VLSWHBQ3EPKGTGLQNH554Z746BJ3C554/ No Types Assigned
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VLSWHBQ3EPKGTGLQNH554Z746BJ3C554/ Mailing List, Third Party Advisory
Changed
Reference Type
https://security.netapp.com/advisory/ntap-20200424-0001/ No Types Assigned
https://security.netapp.com/advisory/ntap-20200424-0001/ Third Party Advisory
Changed
Reference Type
https://usn.ubuntu.com/4327-1/ No Types Assigned
https://usn.ubuntu.com/4327-1/ Third Party Advisory
CVE Modified by Red Hat, Inc.4/28/2020 12:15:12 AM
OR
*cpe:2.3:a:libssh:libssh:*:*:*:*:*:*:*:* versions from (including) 0.8.0 up to (excluding) 0.8.9
*cpe:2.3:a:libssh:libssh:*:*:*:*:*:*:*:* versions from (including) 0.9.0 up to (excluding) 0.9.4
Added
CPE Configuration
OR
*cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
*cpe:2.3:o:redhat:virtualization:4.0:*:*:*:*:*:*:*
Changed
Reference Type
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1730 No Types Assigned
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1730 Issue Tracking, Third Party Advisory
Changed
Reference Type
https://www.libssh.org/security/advisories/CVE-2020-1730.txt No Types Assigned
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