Executive Summary

Summary
Title Bash vulnerability
Informations
Name USN-4058-1 First vendor Publication 2019-07-15
Vendor Ubuntu Last vendor Modification 2019-07-15
Severity (Vendor) N/A Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:L/AC:L/Au:N/C:C/I:C/A:C)
Cvss Base Score 7.2 Attack Range Local
Cvss Impact Score 10 Attack Complexity Low
Cvss Expoit Score 3.9 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 16.04 LTS

Summary:

A system hardening measure could be bypassed.

Software Description: - bash: GNU Bourne Again SHell

Details:

It was discovered that Bash incorrectly handled the restricted shell. An attacker could possibly use this issue to escape restrictions and execute any command.

Update instructions:

The problem can be corrected by updating your system to the following package versions:

Ubuntu 16.04 LTS:
bash 4.3-14ubuntu1.4

In general, a standard system update will make all the necessary changes.

References:
https://usn.ubuntu.com/4058-1
CVE-2019-9924

Package Information:
https://launchpad.net/ubuntu/+source/bash/4.3-14ubuntu1.4

Original Source

Url : http://www.ubuntu.com/usn/USN-4058-1

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-20 Improper Input Validation

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 30
Os 1

Alert History

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0
1
Date Informations
2019-08-06 12:07:03
  • Multiple Updates
2019-07-15 21:18:48
  • First insertion