SB2023052225 - Multiple vulnerabilities in cflinuxfs3

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Main Vulnerability Database SB2023052225

SB2023052225 - Multiple vulnerabilities in cflinuxfs3

Published: May 22, 2023 Updated: June 29, 2023

Security Bulletin ID SB2023052225
CSH Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Incorrect Regular Expression (CVE-ID: CVE-2023-28755)

CWE-ID: CWE-185 - Incorrect Regular Expression

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:P/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 URLs. A remote attacker can pass specially crafted URL to the application and perform regular expression denial of service (ReDos) attack.


2) Incorrect Regular Expression (CVE-ID: CVE-2023-28756)

CWE-ID: CWE-185 - Incorrect Regular Expression

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 strings that have specific characters. A remote attacker can pass specially crafted data to the application and perform regular expression denial of service (ReDos) attack.


Remediation

Install update from vendor's website.

References