Executive Summary

Summary
Title Exiv2 vulnerability
Informations
Name USN-4270-1 First vendor Publication 2020-02-05
Vendor Ubuntu Last vendor Modification 2020-02-05
Severity (Vendor) N/A Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Overall CVSS Score 7.5
Base Score 7.5 Environmental Score 7.5
impact SubScore 3.6 Temporal Score 7.5
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None 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:N/C:N/I:N/A:C)
Cvss Base Score 7.8 Attack Range Network
Cvss Impact Score 6.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
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 - Ubuntu 16.04 LTS

Summary:

Exiv2 could be made to crash if it opened a specially crafted image.

Software Description: - exiv2: EXIF/IPTC/XMP metadata manipulation tool

Details:

It was discovered that Exiv2 incorrectly handled certain images. An attacker could possibly use this issue to cause a denial of service.

Update instructions:

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

Ubuntu 19.10:
exiv2 0.25-4ubuntu2.2
libexiv2-14 0.25-4ubuntu2.2

Ubuntu 18.04 LTS:
exiv2 0.25-3.1ubuntu0.18.04.5
libexiv2-14 0.25-3.1ubuntu0.18.04.5

Ubuntu 16.04 LTS:
exiv2 0.25-2.1ubuntu16.04.6
libexiv2-14 0.25-2.1ubuntu16.04.6

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

References:
https://usn.ubuntu.com/4270-1
CVE-2019-20421

Package Information:
https://launchpad.net/ubuntu/+source/exiv2/0.25-4ubuntu2.2
https://launchpad.net/ubuntu/+source/exiv2/0.25-3.1ubuntu0.18.04.5
https://launchpad.net/ubuntu/+source/exiv2/0.25-2.1ubuntu16.04.6

Original Source

Url : http://www.ubuntu.com/usn/USN-4270-1

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Os 3

Alert History

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0
1
Date Informations
2020-05-23 13:03:46
  • Multiple Updates
2020-02-05 21:18:52
  • First insertion