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AUSCERT External Security Bulletin Redistribution
ESB-2021.0084
USN-4685-1: OpenJPEG vulnerabilities
8 January 2021
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AusCERT Security Bulletin Summary
---------------------------------
Product: OpenJPEG
Publisher: Ubuntu
Operating System: Ubuntu
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
Access Confidential Data -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2020-27845 CVE-2020-27843 CVE-2020-27842
CVE-2020-27841 CVE-2020-27824 CVE-2020-27823
CVE-2020-27814 CVE-2020-15389
Reference: ASB-2020.0186
ESB-2020.3158
ESB-2020.2361
Original Bulletin:
https://ubuntu.com/security/notices/USN-4685-1
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USN-4685-1: OpenJPEG vulnerabilities
07 January 2021
Several security issues were fixed in OpenJPEG.
Releases
o Ubuntu 20.10
o Ubuntu 20.04 LTS
Packages
o openjpeg2 - JPEG 2000 image compression/decompression library
Details
It was discovered that OpenJPEG incorrectly handled certain image data. An
attacker could use this issue to cause OpenJPEG to crash, leading to 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 20.10
o libopenjp2-7 - 2.3.1-1ubuntu4.20.10.1
o libopenjp3d7 - 2.3.1-1ubuntu4.20.10.1
o libopenjpip7 - 2.3.1-1ubuntu4.20.10.1
Ubuntu 20.04
o libopenjp2-7 - 2.3.1-1ubuntu4.20.04.1
o libopenjp3d7 - 2.3.1-1ubuntu4.20.04.1
o libopenjpip7 - 2.3.1-1ubuntu4.20.04.1
In general, a standard system update will make all the necessary changes.
References
o CVE-2020-27842
o CVE-2020-27841
o CVE-2020-27824
o CVE-2020-15389
o CVE-2020-27823
o CVE-2020-27845
o CVE-2020-27843
o CVE-2020-27814
Related notices
o USN-4686-1 : ghostscript, libgs9
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