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Oracle Linux: (CVE-2020-1730) ELSA-2020-4545: libssh security, bug fix, and enhancement update

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Oracle Linux: (CVE-2020-1730) ELSA-2020-4545: libssh security, bug fix, and enhancement update

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
04/09/2020
Created
11/17/2020
Added
11/13/2020
Modified
11/13/2020

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.

Solution(s)

  • oracle-linux-upgrade-libssh
  • oracle-linux-upgrade-libssh-config
  • oracle-linux-upgrade-libssh-devel

References

  • ELSA-2020-4545
  • USN-4327-1
  • CVE-2020-1730

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