SB2022063033 - Fedora 36 update for gerbv



SB2022063033 - Fedora 36 update for gerbv

Published: June 30, 2022

Security Bulletin ID SB2022063033
CSH 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 vulnerabilities.


1) Out-of-bounds write (CVE-ID: CVE-2021-40391)

CWE-ID: CWE-787 - Out-of-bounds write

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


The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input in the drill format T-code tool number functionality. A remote attacker can use a specially crafted drill file, trigger out-of-bounds write and execute arbitrary code on the target system.


2) Use-after-free (CVE-ID: CVE-2021-40401)

CWE-ID: CWE-416 - Use After Free

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


The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in the RS-274X aperture definition tokenization functionality. A remote attacker can send a specially crafted gerber file and execute arbitrary code on the system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.


Remediation

Install update from vendor's website.