Ubuntu Security Notice 3911-1 - It was discovered that file incorrectly handled certain malformed ELF files. An attacker could use this issue to cause a denial of service, or possibly execute arbitrary code.
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Ubuntu Security Notice USN-3911-1
March 18, 2019
file vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 18.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
Summary:
Several security issues were fixed in file.
Software Description:
- file: Tool to determine file types
Details:
It was discovered that file incorrectly handled certain malformed ELF
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 18.10:
file 1:5.34-2ubuntu0.1
libmagic1 1:5.34-2ubuntu0.1
Ubuntu 18.04 LTS:
file 1:5.32-2ubuntu0.2
libmagic1 1:5.32-2ubuntu0.2
Ubuntu 16.04 LTS:
file 1:5.25-2ubuntu1.2
libmagic1 1:5.25-2ubuntu1.2
In general, a standard system update will make all the necessary changes.
References:
https://usn.ubuntu.com/usn/usn-3911-1
CVE-2019-8904, CVE-2019-8905, CVE-2019-8906, CVE-2019-8907
Package Information:
https://launchpad.net/ubuntu/+source/file/1:5.34-2ubuntu0.1
https://launchpad.net/ubuntu/+source/file/1:5.32-2ubuntu0.2
https://launchpad.net/ubuntu/+source/file/1:5.25-2ubuntu1.2