CVE-2018-1124 Integer overflow in procps-ng
Local attackers can trigger integer overflows in procps-ng to achieve privilege escalation or arbitrary code execution via crafted process entries.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2018-1124?
CVE-2018-1124 is a high-severity vulnerability in Canonical Ubuntu Linux, published on 23 May 2018. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
procps-ng before version 3.3.15 is vulnerable to multiple integer overflows leading to a heap corruption in file2strvec function. This allows a privilege escalation for a local attacker who can create entries in procfs by starting processes, which could result in crashes or arbitrary code execution in proc utilities run by other users.
Which versions are affected by CVE-2018-1124?
It affects 9 products.
Linux distribution packages (12)
procps-ng Red Hat:rhel_aus:7.3::server | All versions | 0:3.3.10-10.el7_3.1 |
procps-ng-debuginfo Red Hat:rhel_aus:7.3::server | All versions | 0:3.3.10-10.el7_3.1 |
procps-ng-devel Red Hat:rhel_aus:7.3::server | All versions | 0:3.3.10-10.el7_3.1 |
procps-ng-i18n Red Hat:rhel_aus:7.3::server | All versions | 0:3.3.10-10.el7_3.1 |
procps-ng Red Hat:rhel_e4s:7.3::server | All versions | 0:3.3.10-10.el7_3.1 |
procps-ng-debuginfo Red Hat:rhel_e4s:7.3::server | All versions | 0:3.3.10-10.el7_3.1 |
procps-ng-devel Red Hat:rhel_e4s:7.3::server | All versions | 0:3.3.10-10.el7_3.1 |
procps-ng-i18n Red Hat:rhel_e4s:7.3::server | All versions | 0:3.3.10-10.el7_3.1 |
procps-ng Red Hat:rhel_tus:7.3::server | All versions | 0:3.3.10-10.el7_3.1 |
procps-ng-debuginfo Red Hat:rhel_tus:7.3::server | All versions | 0:3.3.10-10.el7_3.1 |
procps-ng-devel Red Hat:rhel_tus:7.3::server | All versions | 0:3.3.10-10.el7_3.1 |
procps-ng-i18n Red Hat:rhel_tus:7.3::server | All versions | 0:3.3.10-10.el7_3.1 |
Products include Canonical Ubuntu Linux, Debian Debian Linux, Opensuse Leap, Procps-Ng Project Procps-Ng, Redhat Enterprise Linux, Redhat Enterprise Linux Desktop and 3 more.
How do I fix CVE-2018-1124?
Upgrade to a fixed version.
Is CVE-2018-1124 being exploited?
There is no known exploitation of CVE-2018-1124 in the wild and no public exploit code.
Public exploit code: 2 Exploit-DB entries.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2018-1124, GHSA-6m7w-m36x-76pq, RHSA-2019:2401, UBUNTU-CVE-2018-1124.