Executive Summary

Summary
Title Nokogiri vulnerability
Informations
NameUSN-4175-1First vendor Publication2019-11-05
VendorUbuntuLast vendor Modification2019-11-05
Severity (Vendor) N/ARevisionN/A

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:P/I:P/A:P)
Cvss Base Score7.5Attack RangeNetwork
Cvss Impact Score6.4Attack ComplexityLow
Cvss Expoit Score10AuthenticationNone Required
Calculate full CVSS 2.0 Vectors scores

Detail

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

- Ubuntu 19.10 - Ubuntu 19.04 - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS

Summary:

Nokogiri could be made to execute programs if it received specially crafted input.

Software Description: - ruby-nokogiri: HTML, XML, SAX, and Reader parser for Ruby

Details:

It was discovered that Nokogiri incorrectly handled inputs. A remote attacker could possibly use this issue to execute arbitrary OS commands.

Update instructions:

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

Ubuntu 19.10:
ruby-nokogiri 1.10.3+dfsg1-2ubuntu0.1

Ubuntu 19.04:
ruby-nokogiri 1.10.0+dfsg1-2ubuntu0.1

Ubuntu 18.04 LTS:
ruby-nokogiri 1.8.2-1ubuntu0.1

Ubuntu 16.04 LTS:
ruby-nokogiri 1.6.7.2-3ubuntu0.1

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

References:
https://usn.ubuntu.com/4175-1
CVE-2019-5477

Package Information:
https://launchpad.net/ubuntu/+source/ruby-nokogiri/1.10.3+dfsg1-2ubuntu0.1
https://launchpad.net/ubuntu/+source/ruby-nokogiri/1.10.0+dfsg1-2ubuntu0.1
https://launchpad.net/ubuntu/+source/ruby-nokogiri/1.8.2-1ubuntu0.1
https://launchpad.net/ubuntu/+source/ruby-nokogiri/1.6.7.2-3ubuntu0.1

Original Source

Url : http://www.ubuntu.com/usn/USN-4175-1

CWE : Common Weakness Enumeration

%idName
100 %CWE-77Improper Sanitization of Special Elements used in a Command ('Command Injection')

CPE : Common Platform Enumeration

TypeDescriptionCount
Application1

Alert History

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0
DateInformations
2019-11-05 17:18:51
  • First insertion