CVE-2019-11690 Weak cryptography in n/a
Attackers can predict UUIDs in U-Boot when random UUID support is enabled, potentially bypassing security checks relying on these values.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2019-11690?
CVE-2019-11690 is a medium-severity vulnerability in n/a, published on 3 May 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
gen_rand_uuid in lib/uuid.c in Das U-Boot v2014.04 through v2019.04 lacks an srand call, which allows attackers to determine UUID values in scenarios where CONFIG_RANDOM_UUID is enabled, and Das U-Boot is relied upon for UUID values of a GUID Partition Table of a boot device.
Weakness: CWE-330
Which versions are affected by CVE-2019-11690?
It affects 1 product.
Products include Denx U-Boot.
How do I fix CVE-2019-11690?
Apply the vendor's patch.
Is CVE-2019-11690 being exploited?
There is no known exploitation of CVE-2019-11690 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2019-11690, GHSA-6xpg-gw5j-9x8w, UBUNTU-CVE-2019-11690.