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AUSCERT External Security Bulletin Redistribution
ESB-2021.2317
USN-5005-1: DjVuLibre vulnerability
6 July 2021
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AusCERT Security Bulletin Summary
---------------------------------
Product: DjVuLibre
Publisher: Ubuntu
Operating System: Ubuntu
Impact/Access: Execute Arbitrary Code/Commands -- Existing Account
Denial of Service -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2021-3630
Reference: ESB-2021.2311
ESB-2021.2309
Original Bulletin:
https://ubuntu.com/security/notices/USN-5005-1
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USN-5005-1: DjVuLibre vulnerability
05 July 2021
DjVuLibre could be made to crash or execute arbitrary code if it
opened a specially crafted file.
Releases
o Ubuntu 18.04 LTS
o Ubuntu 16.04 ESM
Packages
o djvulibre - DjVu image format library and tools
Details
It was discovered that DjVuLibre incorrectly handled certain djvu files.
An attacker could possibly use this issue to execute arbitrary code or
cause a crash.
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 18.04
o libdjvulibre21 - 3.5.27.1-8ubuntu0.4
Ubuntu 16.04
o libdjvulibre21 - 3.5.27.1-5ubuntu0.1+esm2
Available with UA Infra or UA Desktop
In general, a standard system update will make all the necessary changes.
References
o CVE-2021-3630
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