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cveMitreCVE-2024-39894
HistoryJul 02, 2024 - 6:15 p.m.

CVE-2024-39894

2024-07-0218:15:03
CWE-367
mitre
web.nvd.nist.gov
37
openssh
vulnerability
timing attacks
echo-off password
obscurekeystroketiming

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

AI Score

7.1

Confidence

Low

EPSS

0

Percentile

10.7%

OpenSSH 9.5 through 9.7 before 9.8 sometimes allows timing attacks against echo-off password entry (e.g., for su and Sudo) because of an ObscureKeystrokeTiming logic error. Similarly, other timing attacks against keystroke entry could occur.

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

AI Score

7.1

Confidence

Low

EPSS

0

Percentile

10.7%