ESB-2020.3146 – [Ubuntu] cryptsetup: Execute arbitrary code/commands – Existing account

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2020.3146
                   USN-4493-1: cryptsetup vulnerability
                             15 September 2020

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           cryptsetup
Publisher:         Ubuntu
Operating System:  Ubuntu
Impact/Access:     Execute Arbitrary Code/Commands -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2020-14382  

Original Bulletin: 
   https://usn.ubuntu.com/4493-1/

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USN-4493-1: cryptsetup vulnerability
14 September 2020

cryptsetup could be made to execute arbitrary code if it received a specially
crafted input.
Releases

  o Ubuntu 20.04 LTS

Packages

  o cryptsetup - disk encryption support - startup scripts

Details

It was discovered that cryptsetup incorrectly handled certain inputs.
An attacker could possibly use this issue to execute arbitrary code.

Update instructions

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

Ubuntu 20.04

  o cryptsetup - 2:2.2.2-3ubuntu2.2

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

References

  o CVE-2020-14382

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