CVE-2019-13178 Race condition in n/a

High 8.1 Published Updated

A race condition in Calamares allows attackers to read LUKS encryption keyfiles before secure permissions are applied.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2019-13178?

CVE-2019-13178 is a high-severity vulnerability in n/a, published on 2 Jul 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

modules/luksbootkeyfile/main.py in Calamares versions 3.1 through 3.2.10 has a race condition between the time when the LUKS encryption keyfile is created and when secure permissions are set.

Weakness: CWE-362

Which versions are affected by CVE-2019-13178?

It affects 1 product.

Linux distribution packages (4)
calamares SUSE:Package Hub 15All versions3.2.15-bp150.2.6.1
calamares SUSE:Package Hub 15 SP1All versions3.2.15-bp151.4.3.1
calamares openSUSE:Leap 15.0All versions3.2.15-lp151.4.3.3
calamares openSUSE:Leap 15.1All versions3.2.15-lp151.4.3.3

Products include Calamares Calamares.

How do I fix CVE-2019-13178?

Apply the vendor's patch.

Is CVE-2019-13178 being exploited?

There is no known exploitation of CVE-2019-13178 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2019-13178, GHSA-j52x-jwvh-c5gg, UBUNTU-CVE-2019-13178, openSUSE-SU-2019:2628-1, openSUSE-SU-2019:2654-1, openSUSE-SU-2019:2655-1 and 1 more.

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