SB2021061128 - Fedora 34 update for mingw-openexr



SB2021061128 - Fedora 34 update for mingw-openexr

Published: June 11, 2021

Security Bulletin ID SB2021061128
Severity
High
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Missing Authentication for Critical Function (CVE-ID: CVE-2021-3589)

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

The vulnerability exists due to authorization flaw. A remote privileged user can create and run Ansible jobs can access hosts through job templates.


2) Heap-based buffer overflow (CVE-ID: CVE-2021-3598)

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

The vulnerability exists due to a boundary error within the readChars() function in ImfIO.h. A remote attacker can pass specially crafted data to the application, trigger heap-based buffer overflow and execute arbitrary code on the target system.

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


3) Heap-based buffer overflow (CVE-ID: CVE-2021-3605)

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

The vulnerability exists due to a boundary error within the rleUncompress function in ImfRle.cpp. A remote attacker can pass specially crafted data to the application, trigger heap-based buffer overflow and execute arbitrary code on the target system.

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


Remediation

Install update from vendor's website.