USN-3911-1: file vulnerabilities

Releases

• Ubuntu 18.10
• Ubuntu 18.04 ESM
• Ubuntu 16.04 ESM

Packages

• 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

• file - 1:5.32-2ubuntu0.2
• libmagic1 - 1:5.32-2ubuntu0.2

Ubuntu 16.04

• 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

• CVE-2019-8904
• CVE-2019-8905
• CVE-2019-8906
• CVE-2019-8907