Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Summary
Title Rack vulnerability
Informations
NameUSN-4089-1First vendor Publication2019-08-07
VendorUbuntuLast vendor Modification2019-08-07
Severity (Vendor) N/ARevisionN/A

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:N/C:N/I:P/A:N)
Cvss Base Score4.3Attack RangeNetwork
Cvss Impact Score2.9Attack ComplexityMedium
Cvss Expoit Score8.6AuthenticationNone Required
Calculate full CVSS 2.0 Vectors scores

Detail

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

- Ubuntu 18.04 LTS - Ubuntu 16.04 LTS

Summary:

Rack could allow cross-site scripting (XSS) attacks.

Software Description: - ruby-rack: modular Ruby webserver interface

Details:

It was discovered that Rack incorrectly handled carefully crafted requests. A remote attacker could use this issue to execute a cross-site scripting (XSS) attack.

Update instructions:

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

Ubuntu 18.04 LTS:
ruby-rack 1.6.4-4ubuntu0.1

Ubuntu 16.04 LTS:
ruby-rack 1.6.4-3ubuntu0.1

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

References:
https://usn.ubuntu.com/4089-1
CVE-2018-16471

Package Information:
https://launchpad.net/ubuntu/+source/ruby-rack/1.6.4-4ubuntu0.1
https://launchpad.net/ubuntu/+source/ruby-rack/1.6.4-3ubuntu0.1

Original Source

Url : http://www.ubuntu.com/usn/USN-4089-1

CWE : Common Weakness Enumeration

%idName
100 %CWE-79Failure to Preserve Web Page Structure ('Cross-site Scripting') (CWE/SANS Top 25)

CPE : Common Platform Enumeration

TypeDescriptionCount
Application2
Os1

Nessus® Vulnerability Scanner

DateDescription
2019-01-03Name : The remote Fedora host is missing a security update.
File : fedora_2018-e8ff8b7f8e.nasl - Type : ACT_GATHER_INFO
2019-01-03Name : The remote Fedora host is missing a security update.
File : fedora_2018-02e965a729.nasl - Type : ACT_GATHER_INFO
2018-11-28Name : The remote Fedora host is missing a security update.
File : fedora_2018-5743ef02a1.nasl - Type : ACT_GATHER_INFO
2018-11-23Name : The remote Debian host is missing a security update.
File : debian_DLA-1585.nasl - Type : ACT_GATHER_INFO

Alert History

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0
DateInformations
2019-08-07 21:19:23
  • First insertion