Executive Summary

Summary
Title Libidn2 vulnerabilities
Informations
NameUSN-4168-1First vendor Publication2019-10-29
VendorUbuntuLast vendor Modification2019-10-29
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 19.04 - Ubuntu 18.04 LTS

Summary:

Several security issues were fixed in Libidn2.

Software Description: - libidn2: Internationalized domain names (IDNA2008/TR46) command line tool

Details:

It was discovered that Libidn2 incorrectly handled certain inputs. A attacker could possibly use this issue to impersonate domains. (CVE-2019-12290)

It was discovered that Libidn2 incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code. (CVE-2019-18224)

Update instructions:

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

Ubuntu 19.04:
idn2 2.0.5-1ubuntu0.3
libidn2-0 2.0.5-1ubuntu0.3

Ubuntu 18.04 LTS:
idn2 2.0.4-1.1ubuntu0.2
libidn2-0 2.0.4-1.1ubuntu0.2

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

References:
https://usn.ubuntu.com/4168-1
CVE-2019-12290, CVE-2019-18224

Package Information:
https://launchpad.net/ubuntu/+source/libidn2/2.0.5-1ubuntu0.3
https://launchpad.net/ubuntu/+source/libidn2/2.0.4-1.1ubuntu0.2

Original Source

Url : http://www.ubuntu.com/usn/USN-4168-1

Alert History

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0
DateInformations
2019-10-29 17:19:12
  • First insertion