CVE-2017-5493 Weak cryptography in n/a
Weak random number generation in WordPress Multisite allows remote attackers to bypass access restrictions during site or user signup.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-5493?
CVE-2017-5493 is a high-severity vulnerability in Wordpress Wordpress, published on 15 Jan 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
wp-includes/ms-functions.php in the Multisite WordPress API in WordPress before 4.7.1 does not properly choose random numbers for keys, which makes it easier for remote attackers to bypass intended access restrictions via a crafted (1) site signup or (2) user signup.
Weakness: CWE-338
Which versions are affected by CVE-2017-5493?
It affects 1 product.
Products include Wordpress Wordpress.
How do I fix CVE-2017-5493?
Upgrade to a fixed version.
Is CVE-2017-5493 being exploited?
There is no known exploitation of CVE-2017-5493 in the wild and no public exploit code.
Other vulnerabilities in Wordpress Wordpress
Sources
Also known as DEBIAN-CVE-2017-5493, GHSA-q3gc-45gm-v55m, UBUNTU-CVE-2017-5493.