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USN-5254-1: shadow vulnerabilities

27 January 2022

Several security issues were fixed in shadow.

Releases

Packages

Details

It was discovered that shadow incorrectly handled certain inputs.
An attacker could possibly use this issue to cause a crash or
expose sensitive information. This issue only affected
Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. (CVE-2017-12424)

It was discovered that shadow incorrectly handled certain inputs.
An attacker could possibly use this issue to expose sensitive information.
(CVE-2018-7169)

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 18.04
Ubuntu 16.04
Ubuntu 14.04

In general, a standard system update will make all the necessary changes.