Executive Summary

Summary
Title libarchive: Multiple vulnerabilities
Informations
Name GLSA-202003-28 First vendor Publication 2020-03-15
Vendor Gentoo Last vendor Modification 2020-03-15
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

Synopsis

Multiple vulnerabilities have been found in libarchive, the worst of which may lead to arbitrary code execution.

Background

libarchive is a library for manipulating different streaming archive formats, including certain tar variants, several cpio formats, and both BSD and GNU ar variants.

Description

Multiple vulnerabilities have been discovered in libarchive. Please review the CVE identifiers referenced below for details.

Impact

A remote attacker could entice a user to open a specially crafted archive file possibly resulting in the execution of arbitrary code with the privileges of the process or a Denial of Service condition.

Workaround

There is no known workaround at this time.

Resolution

All libarchive users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=app-arch/libarchive-3.4.2"

References

[ 1 ] CVE-2019-18408 : https://nvd.nist.gov/vuln/detail/CVE-2019-18408
[ 2 ] CVE-2020-9308 : https://nvd.nist.gov/vuln/detail/CVE-2020-9308

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website:

https://security.gentoo.org/glsa/202003-28

Original Source

Url : http://security.gentoo.org/glsa/glsa-202003-28.xml

CWE : Common Weakness Enumeration

% Id Name
50 % CWE-416 Use After Free
50 % CWE-20 Improper Input Validation

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 26
Os 1

Alert History

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0
1
Date Informations
2020-05-23 13:03:43
  • Multiple Updates
2020-03-15 21:17:52
  • First insertion