Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Summary
Title libarchive vulnerabilities
Informations
Name USN-4293-1 First vendor Publication 2020-03-02
Vendor Ubuntu Last vendor Modification 2020-03-02
Severity (Vendor) N/A Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Overall CVSS Score 8.8
Base Score 8.8 Environmental Score 8.8
impact SubScore 5.9 Temporal Score 8.8
Exploitabality Sub Score 2.8
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction Required
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
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 19.10 - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS

Summary:

Several security issues were fixed in libarchive.

Software Description: - libarchive: Library to read/write archive files

Details:

It was discovered that libarchive incorrectly handled certain archive files. An attacker could possibly use this issue to access sensitive information. (CVE-2019-19221)

It was discovered that libarchive incorrectly handled certain archive files. An attacker could possibly use this issue to cause a crash resulting in a denial of service or possibly unspecified other impact. This issue only affected Ubuntu 19.10. (CVE-2020-9308)

Update instructions:

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

Ubuntu 19.10:
libarchive13 3.4.0-1ubuntu0.1

Ubuntu 18.04 LTS:
libarchive13 3.2.2-3.1ubuntu0.6

Ubuntu 16.04 LTS:
libarchive13 3.1.2-11ubuntu0.16.04.8

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

References:
https://usn.ubuntu.com/4293-1
CVE-2019-19221, CVE-2020-9308

Package Information:
https://launchpad.net/ubuntu/+source/libarchive/3.4.0-1ubuntu0.1
https://launchpad.net/ubuntu/+source/libarchive/3.2.2-3.1ubuntu0.6
https://launchpad.net/ubuntu/+source/libarchive/3.1.2-11ubuntu0.16.04.8

Original Source

Url : http://www.ubuntu.com/usn/USN-4293-1

CWE : Common Weakness Enumeration

% Id Name
50 % CWE-787 Out-of-bounds Write (CWE/SANS Top 25)
50 % CWE-125 Out-of-bounds Read

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 27
Os 3
Os 2
Os 2

Alert History

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0
1
Date Informations
2020-05-23 13:03:46
  • Multiple Updates
2020-03-02 17:19:07
  • First insertion