SB2020120930 - Multiple vulnerabilities in OpenEXR

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Main Vulnerability Database SB2020120930

SB2020120930 - Multiple vulnerabilities in OpenEXR

Published: December 9, 2020 Updated: March 3, 2021

Security Bulletin ID SB2020120930
Severity
Medium
Patch available
YES
Number of vulnerabilities 3
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 3 secuirty vulnerabilities.


1) NULL pointer dereference (CVE-ID: CVE-2020-16588)

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

The vulnerability exists due to a NULL pointer dereference error in generatePreview in makePreview.cpp. A remote attacker can use a specially crafted EXR file and perform a denial of service (DoS) attack.


2) Heap-based buffer overflow (CVE-ID: CVE-2020-16587)

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

The vulnerability exists due to a boundary error in chunkOffsetReconstruction in ImfMultiPartInputFile.cpp. A remote attacker can use a specially crafted EXR file, trigger heap-based buffer overflow and cause a denial of service condition on the target system.


3) Heap-based buffer overflow (CVE-ID: CVE-2020-16589)

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

The vulnerability exists due to a boundary error in writeTileData in ImfTiledOutputFile.cpp. A remote attacker can use a specially crafted EXR file, trigger heap-based buffer overflow and cause a denial of service condition on the target system.


Remediation

Install update from vendor's website.

References