SB2017083021 - Fedora EPEL 7 update for libidn2



SB2017083021 - Fedora EPEL 7 update for libidn2

Published: August 30, 2017 Updated: April 24, 2025

Security Bulletin ID SB2017083021
Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Integer overflow (CVE-ID: CVE-2017-14061)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to integer overflow in the _isBidi function in bidi.c in Libidn2 before 2.0.4. A remote attacker can cause a denial of service or possibly have unspecified other impact.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


2) Integer overflow (CVE-ID: CVE-2017-14062)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to integer overflow in the decode_digit function in puny_decode.c in Libidn2 before 2.0.4. A remote attacker can cause a denial of service or possibly have unspecified other impact.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install update from vendor's website.