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AUSCERT External Security Bulletin Redistribution
ESB-2019.4038.2
USN-4172-1: file vulnerability
1 November 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: file
Publisher: Ubuntu
Operating System: Ubuntu
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Denial of Service -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2019-18218
Reference: ESB-2019.3961
ESB-2019.3935
Original Bulletin:
https://usn.ubuntu.com/4172-1/
https://usn.ubuntu.com/4172-2/
Comment: This bulletin contains two (2) Ubuntu security advisories.
Revision History: November 1 2019: Updates for Ubuntu 12.04 and 14.04 ESM
October 31 2019: Initial Release
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USN-4172-1: file vulnerability
30 October 2019
file vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
o Ubuntu 19.10
o Ubuntu 19.04
o Ubuntu 18.04 LTS
o Ubuntu 16.04 LTS
Summary
file could be made to crash or run programs if it opened a specially crafted
file.
Software Description
o file - Tool to determine file types
Details
It was discovered that file incorrectly handled certain malformed files. An
attacker could use this issue to 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 19.10
file - 1:5.37-5ubuntu0.1
libmagic1 - 1:5.37-5ubuntu0.1
Ubuntu 19.04
file - 1:5.35-4ubuntu0.1
libmagic1 - 1:5.35-4ubuntu0.1
Ubuntu 18.04 LTS
file - 1:5.32-2ubuntu0.3
libmagic1 - 1:5.32-2ubuntu0.3
Ubuntu 16.04 LTS
file - 1:5.25-2ubuntu1.3
libmagic1 - 1:5.25-2ubuntu1.3
To update your system, please follow these instructions: https://
wiki.ubuntu.com/Security/Upgrades .
In general, a standard system update will make all the necessary changes.
References
o CVE-2019-18218
- ---
USN-4172-2: file vulnerability
31 October 2019
file vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
o Ubuntu 14.04 ESM
o Ubuntu 12.04 ESM
Summary
file could be made to crash or run programs if it opened a specially crafted
file.
Software Description
o file - Tool to determine file types
Details
USN-4172-1 fixed a vulnerability in file. This update provides the
corresponding update for Ubuntu 12.04 ESM Ubuntu 14.04 ESM.
Original advisory details:
It was discovered that file incorrectly handled certain malformed files. An
attacker could use this issue to 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 14.04 ESM
file - 1:5.14-2ubuntu3.4+esm1
libmagic1 - 1:5.14-2ubuntu3.4+esm1
Ubuntu 12.04 ESM
file - 5.09-2ubuntu0.8
libmagic1 - 5.09-2ubuntu0.8
To update your system, please follow these instructions: https://
wiki.ubuntu.com/Security/Upgrades .
In general, a standard system update will make all the necessary changes.
References
o USN-4172-1
o CVE-2019-18218
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