Executive Summary

Summary
Title Ceph vulnerability
Informations
Name USN-4304-1 First vendor Publication 2020-03-17
Vendor Ubuntu Last vendor Modification 2020-03-17
Severity (Vendor) N/A Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Overall CVSS Score 6.5
Base Score 6.5 Environmental Score 6.5
impact SubScore 3.6 Temporal Score 6.5
Exploitabality Sub Score 2.8
 
Attack Vector Network Attack Complexity Low
Privileges Required Low User Interaction None
Scope Unchanged Confidentiality Impact None
Integrity Impact None Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:S/C:N/I:N/A:C)
Cvss Base Score 6.8 Attack Range Network
Cvss Impact Score 6.9 Attack Complexity Low
Cvss Expoit Score 8 Authentication Requires single instance
Calculate full CVSS 2.0 Vectors scores

Detail

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

- Ubuntu 19.10 - Ubuntu 18.04 LTS

Summary:

Ceph could be made to stop responding if it received specially crafted network traffic.

Software Description: - ceph: distributed storage and file system

Details:

Or Friedman discovered that Ceph incorrectly handled disconnects. A remote authenticated attacker could possibly use this issue to cause Ceph to consume resources, leading to a denial of service.

Update instructions:

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

Ubuntu 19.10:
ceph 14.2.4-0ubuntu0.19.10.2
ceph-base 14.2.4-0ubuntu0.19.10.2
ceph-common 14.2.4-0ubuntu0.19.10.2

Ubuntu 18.04 LTS:
ceph 12.2.12-0ubuntu0.18.04.5
ceph-base 12.2.12-0ubuntu0.18.04.5
ceph-common 12.2.12-0ubuntu0.18.04.5

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

References:
https://usn.ubuntu.com/4304-1
CVE-2020-1700

Package Information:
https://launchpad.net/ubuntu/+source/ceph/14.2.4-0ubuntu0.19.10.2
https://launchpad.net/ubuntu/+source/ceph/12.2.12-0ubuntu0.18.04.5

Original Source

Url : http://www.ubuntu.com/usn/USN-4304-1

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-400 Uncontrolled Resource Consumption ('Resource Exhaustion')

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Application 1
Os 2
Os 1

Alert History

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0
1
Date Informations
2020-05-23 13:03:46
  • Multiple Updates
2020-03-19 13:20:14
  • First insertion