ALT Linux Team

Package libssh update in p9 on 2021-07-30

ALT-PU-2021-2381-1

Package libssh updated to version 0.9.5-alt1 for branch p9 in task 277424.

Closed vulnerabilities

Published: 2020-02-12

BDU:2020-02135

Уязвимость библиотеки libssh, связанная с неконтролируемым расходом ресурсов, позволяющая нарушителю вызвать отказ в обслуживании

Severity: HIGH (7.5) Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References:
Published: 2020-07-30

BDU:2021-03730

Уязвимость компонента tftpserver.c библиотеки для аутентификации клиента libssh, связанная с ошибками разыменования указателя, позволяющая нарушителю вызвать отказ в обслуживании

Severity: MEDIUM (5.9) Vector: AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
References:
Published: 2020-07-30
Modified: 2024-11-21

CVE-2020-16135

libssh 0.9.4 has a NULL pointer dereference in tftpserver.c if ssh_buffer_new returns NULL.

Severity: MEDIUM (5.9) Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
References:
Published: 2020-04-13
Modified: 2024-11-21

CVE-2020-1730

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.

Severity: MEDIUM (5.3) Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
References:
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Version: 2.1.0
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