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redosRedosROS-20220405-01
HistoryApr 05, 2022 - 12:00 a.m.

ROS-20220405-01

2022-04-0500:00:00
redos.red-soft.ru
21
python
paramiko
sshv2
race condition
write_private_key_file
unauthorized access
sensitive information
unix

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/I:N/A:N

CVSS3

5.9

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

EPSS

0.003

Percentile

65.5%

A vulnerability in the Python Paramiko implementation of the SSHv2 protocol, is related to the race condition in the function
write_private_key_file() between create and chmod operations. Exploitation of the vulnerability could allow an
an attacker to exploit the race condition and gain unauthorized access to sensitive information

OSVersionArchitecturePackageVersionFilename
redos7.3x86_64python3-paramiko< 2.4.2-3UNKNOWN

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/I:N/A:N

CVSS3

5.9

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

EPSS

0.003

Percentile

65.5%