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AUSCERT External Security Bulletin Redistribution
ESB-2021.0042
USN-4676-1: OpenEXR vulnerabilities
6 January 2021
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AusCERT Security Bulletin Summary
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Product: OpenEXR
Publisher: Ubuntu
Operating System: Ubuntu
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2020-16589 CVE-2020-16588 CVE-2020-16587
Reference: ESB-2021.0002
ESB-2020.4386
Original Bulletin:
https://ubuntu.com/security/notices/USN-4676-1
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USN-4676-1: OpenEXR vulnerabilities
05 January 2021
Several security issues were fixed in OpenEXR.
Releases
o Ubuntu 20.04 LTS
o Ubuntu 18.04 LTS
o Ubuntu 16.04 LTS
Packages
o openexr - tools for the OpenEXR image format
Details
It was discovered that OpenEXR incorrectly handled certain malformed EXR
image files. If a user were tricked into opening a crafted EXR image file,
a remote attacker could cause a denial of service, or possibly execute
arbitrary code.
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 20.04
o libopenexr24 - 2.3.0-6ubuntu0.3
o openexr - 2.3.0-6ubuntu0.3
Ubuntu 18.04
o libopenexr22 - 2.2.0-11.1ubuntu1.4
o openexr - 2.2.0-11.1ubuntu1.4
Ubuntu 16.04
o libopenexr22 - 2.2.0-10ubuntu2.4
o openexr - 2.2.0-10ubuntu2.4
In general, a standard system update will make all the necessary changes.
References
o CVE-2020-16588
o CVE-2020-16587
o CVE-2020-16589
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