CVE-2018-1054 Denial of service in 389-ds-base
A remote unauthenticated attacker can crash the 389-ds-base LDAP server by sending a specially crafted search filter, causing a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2018-1054?
CVE-2018-1054 is a high-severity denial of service vulnerability in Redhat Enterprise Linux Desktop, published on 7 Mar 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An out-of-bounds memory read flaw was found in the way 389-ds-base handled certain LDAP search filters, affecting all versions including 1.4.x. A remote, unauthenticated attacker could potentially use this flaw to make ns-slapd crash via a specially crafted LDAP request, thus resulting in denial of service.
Which versions are affected by CVE-2018-1054?
It affects 4 products.
Products include Fedoraproject 389 Directory Server, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server, Redhat Enterprise Linux Workstation.
How do I fix CVE-2018-1054?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2018-1054 being exploited?
There is no known exploitation of CVE-2018-1054 in the wild and no public exploit code.
Other vulnerabilities in Redhat Enterprise Linux Desktop
Sources
Also known as DEBIAN-CVE-2018-1054, GHSA-g83g-r7vx-57fv, MGASA-2018-0162, UBUNTU-CVE-2018-1054.