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ubuntuUbuntuUSN-5351-2
HistoryMar 29, 2022 - 12:00 a.m.

Paramiko vulnerability

2022-03-2900:00:00
ubuntu.com
76
paramiko ssh2 library
ubuntu 16.04 esm
permissions handling vulnerability

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

AI Score

6.1

Confidence

High

EPSS

0.003

Percentile

65.5%

Releases

  • Ubuntu 16.04 ESM

Packages

  • paramiko - Python SSH2 library

Details

USN-5351-1 fixed a vulnerability in Paramiko. This update provides
the corresponding update for Ubuntu 16.04 ESM.

Original advisory details:

Jan Schejbal discovered that Paramiko incorrectly handled permissions when
writing private key files. A local attacker could possibly use this issue
to gain access to private keys.

OSVersionArchitecturePackageVersionFilename
Ubuntu16.04noarchpython3-paramiko< 1.16.0-1ubuntu0.2+esm2UNKNOWN
Ubuntu16.04noarchparamiko-doc< 1.16.0-1ubuntu0.2UNKNOWN
Ubuntu16.04noarchpython-paramiko< 1.16.0-1ubuntu0.2UNKNOWN
Ubuntu16.04noarchpython3-paramiko< 1.16.0-1ubuntu0.2UNKNOWN
Ubuntu16.04noarchparamiko-doc< 1.16.0-1ubuntu0.2+esm2UNKNOWN
Ubuntu16.04noarchpython-paramiko< 1.16.0-1ubuntu0.2+esm2UNKNOWN

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

AI Score

6.1

Confidence

High

EPSS

0.003

Percentile

65.5%