Executive Summary

Summary
Title FriBidi vulnerability
Informations
NameUSN-4179-1First vendor Publication2019-11-07
VendorUbuntuLast vendor Modification2019-11-07
Severity (Vendor) N/ARevisionN/A

Security-Database Scoring CVSS v2

Cvss vector :
Cvss Base ScoreN/AAttack RangeN/A
Cvss Impact ScoreN/AAttack ComplexityN/A
Cvss Expoit ScoreN/AAuthenticationN/A
Calculate full CVSS 2.0 Vectors scores

Detail

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

- Ubuntu 19.10 - Ubuntu 19.04

Summary:

Applications using FriBidi could be made to crash or run programs as your login if it displayed specially crafted text.

Software Description: - fribidi: Free Implementation of the Unicode BiDi algorithm (utility)

Details:

Alex Murray discovered a stack-based buffer overflow when handling a large number of unicode isolate directives. An attacker could use this to cause a denial of service or possibly execute arbitrary code.

Update instructions:

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

Ubuntu 19.10:
libfribidi0 1.0.5-3.1ubuntu0.19.10.1

Ubuntu 19.04:
libfribidi0 1.0.5-3.1ubuntu0.19.04.1

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

References:
https://usn.ubuntu.com/4179-1
CVE-2019-18397

Package Information:
https://launchpad.net/ubuntu/+source/fribidi/1.0.5-3.1ubuntu0.19.10.1
https://launchpad.net/ubuntu/+source/fribidi/1.0.5-3.1ubuntu0.19.04.1

Original Source

Url : http://www.ubuntu.com/usn/USN-4179-1

Alert History

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0
DateInformations
2019-11-08 05:19:03
  • First insertion