Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Summary
Title GNU FriBidi: Heap-based buffer overflow
Informations
Name GLSA-202003-41 First vendor Publication 2020-03-19
Vendor Gentoo Last vendor Modification 2020-03-19
Severity (Vendor) N/A Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Overall CVSS Score 7.8
Base Score 7.8 Environmental Score 7.8
impact SubScore 5.9 Temporal Score 7.8
Exploitabality Sub Score 1.8
 
Attack Vector Local 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

A heap-based buffer overflow in GNU FriBidi might allow remote attackers to execute arbitrary code.

Background

The Free Implementation of the Unicode Bidirectional Algorithm.

Description

A heap-based buffer overflow vulnerability was found in GNU FriBidi.

Impact

A remote attacker could possibly cause a memory corruption, execute arbitrary code with the privileges of the process or cause a Denial of Service condition.

Workaround

There is no known workaround at this time.

Resolution

All FriBidi users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-libs/fribidi-1.0.8"

References

[ 1 ] CVE-2019-18397 : https://nvd.nist.gov/vuln/detail/CVE-2019-18397

Availability

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

https://security.gentoo.org/glsa/202003-41

Original Source

Url : http://security.gentoo.org/glsa/glsa-202003-41.xml

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') (CWE/SANS Top 25)

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Os 3

Alert History

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0
1
Date Informations
2020-05-23 13:03:43
  • Multiple Updates
2020-03-19 21:17:36
  • First insertion