ALT-PU-2019-2805-2

Package update putty in branch sisyphus

Version0.73-alt1

Published2026-02-04

Max severityCRITICAL

Severity:

Closed issues (4)

HIGH7.5

Уязвимость средства криптографической защиты PuTTY, связанная с обращением к ячейкам освобожденной памяти, позволяющая нарушителю вызвать отказ в обслуживании

Published: 2024-05-24

CVSS 3.xHIGH 7.5

CVSS:3.x/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS 2.0HIGH 7.8

CVSS:2.0/AV:N/AC:L/Au:N/C:N/I:N/A:C

References

CVE-2019-17069

CRITICAL9.8

PuTTY before 0.73 on Windows improperly opens port-forwarding listening sockets, which allows attackers to listen on the same port to steal an incoming connection.

Published: 2019-10-01Modified: 2024-11-21

CVSS 2.0HIGH 7.5

CVSS:2.0/AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS 3.xCRITICAL 9.8

CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

HIGH7.5

PuTTY before 0.73 mishandles the "bracketed paste mode" protection mechanism, which may allow a session to be affected by malicious clipboard content.

Published: 2019-10-01Modified: 2024-11-21

CVSS 2.0MEDIUM 5.0

CVSS:2.0/AV:N/AC:L/Au:N/C:N/I:P/A:N

CVSS 3.xHIGH 7.5

CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

References

HIGH7.5

PuTTY before 0.73 might allow remote SSH-1 servers to cause a denial of service by accessing freed memory locations via an SSH1_MSG_DISCONNECT message.

Published: 2019-10-01Modified: 2024-11-21

CVSS 2.0MEDIUM 5.0

CVSS:2.0/AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS 3.xHIGH 7.5

CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References