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ubuntuUbuntuUSN-5173-2
HistoryDec 09, 2021 - 12:00 a.m.

libmodbus vulnerabilities

2021-12-0900:00:00
ubuntu.com
11

6.4 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

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

9.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

9.5 High

AI Score

Confidence

High

0.004 Low

EPSS

Percentile

73.3%

Releases

  • Ubuntu 16.04 ESM
  • Ubuntu 14.04 ESM

Packages

  • libmodbus - Library to send/receive data according to the Modbus protocol

Details

USN-5173-1 fixed vulnerabilities in libmodbus.
This update provides the corresponding updates for Ubuntu 14.04 ESM and
Ubuntu 16.04 ESM.

Original advisory details:

It was discovered that libmodbus incorrectly handled inputs. An attacker
could possibly use this issue to cause a denial of service or other
unspecified impact.

6.4 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

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

9.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

9.5 High

AI Score

Confidence

High

0.004 Low

EPSS

Percentile

73.3%