Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Summary
Title GnuPG vulnerability
Informations
Name USN-3853-1 First vendor Publication 2019-01-10
Vendor Ubuntu Last vendor Modification 2019-01-10
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:N/AC:M/Au:N/C:P/I:P/A:P)
Cvss Base Score 6.8 Attack Range Network
Cvss Impact Score 6.4 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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

- Ubuntu 18.10 - Ubuntu 18.04 LTS

Summary:

GnuPG could allow unintended access to network services.

Software Description: - gnupg2: GNU privacy guard - a free PGP replacement

Details:

Ben Fuhrmannek discovered that GnuPG incorrectly handled Web Key Directory lookups. A remote attacker could possibly use this issue to cause a denial of service, or perform Cross-Site Request Forgery attacks.

Update instructions:

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

Ubuntu 18.10:
gnupg 2.2.8-3ubuntu1.1
gpg-wks-client 2.2.8-3ubuntu1.1

Ubuntu 18.04 LTS:
gnupg 2.2.4-1ubuntu1.2
gpg-wks-client 2.2.4-1ubuntu1.2

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

References:
https://usn.ubuntu.com/usn/usn-3853-1
CVE-2018-1000858

Package Information:
https://launchpad.net/ubuntu/+source/gnupg2/2.2.8-3ubuntu1.1
https://launchpad.net/ubuntu/+source/gnupg2/2.2.4-1ubuntu1.2

Original Source

Url : http://www.ubuntu.com/usn/USN-3853-1

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-352 Cross-Site Request Forgery (CSRF) (CWE/SANS Top 25)

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 99
Os 2

Nessus® Vulnerability Scanner

Date Description
2019-01-14 Name : The remote Fedora host is missing a security update.
File : fedora_2019-75a8da28f0.nasl - Type : ACT_GATHER_INFO

Alert History

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0
1
Date Informations
2019-02-13 21:21:57
  • Multiple Updates
2019-01-10 21:18:26
  • First insertion