Executive Summary

Summary
Title Bash vulnerability
Informations
NameUSN-4058-2First vendor Publication2019-08-05
VendorUbuntuLast vendor Modification2019-08-05
Severity (Vendor) N/ARevisionN/A

Security-Database Scoring CVSS v2

Cvss vector : (AV:L/AC:L/Au:N/C:C/I:C/A:C)
Cvss Base Score7.2Attack RangeLocal
Cvss Impact Score10Attack ComplexityLow
Cvss Expoit Score3.9AuthenticationNone Required
Calculate full CVSS 2.0 Vectors scores

Detail

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

- Ubuntu 14.04 ESM - Ubuntu 12.04 ESM

Summary:

A system hardening measure could be bypassed.

Software Description: - bash: GNU Bourne Again SHell

Details:

USN-4058-1 fixed a vulnerability in bash. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.

Original advisory 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 14.04 ESM:
bash 4.3-7ubuntu1.8+esm1

Ubuntu 12.04 ESM:
bash 4.2-2ubuntu2.8

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

References:
https://usn.ubuntu.com/4058-2
https://usn.ubuntu.com/4058-1
CVE-2019-9924

Original Source

Url : http://www.ubuntu.com/usn/USN-4058-2

CWE : Common Weakness Enumeration

%idName
100 %CWE-20Improper Input Validation

CPE : Common Platform Enumeration

TypeDescriptionCount
Application32
Os1

Alert History

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0
DateInformations
2019-08-05 21:19:31
  • First insertion