SB20230821104 - Fedora 39 update for magicmirror



SB20230821104 - Fedora 39 update for magicmirror

Published: August 21, 2023

Security Bulletin ID SB20230821104
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Inefficient regular expression complexity (CVE-ID: CVE-2023-26115)

CWE-ID: CWE-1333 - Inefficient Regular Expression Complexity

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient input validation when processing untrusted input with a regular expressions. A remote attacker can pass specially crafted data to the application and perform regular expression denial of service (ReDos) attack.


2) Uncaught Exception (CVE-ID: CVE-2023-31125)

CWE-ID: CWE-248 - Uncaught Exception

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote user to perform denial of service attacks.

The vulnerability exists due to an uncaught exception. A remote user can send specially crafted HTTP request to trigger the vulnerability and perform denial of service attacks.


Remediation

Install update from vendor's website.