CVE-2018-1171 Memory corruption in Joyent SmartOS

High 7.0 Published 19 Mar 2018 Updated 5 Aug 2024

Local attackers can escalate privileges and execute code via a buffer overflow in DTrace DOF file handling on SmartOS.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2018-1171?

CVE-2018-1171 is a high-severity memory corruption vulnerability in Oracle Solaris, published on 19 Mar 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

This vulnerability allows local attackers to escalate privileges on vulnerable installations of Joyent SmartOS release-20170803-20170803T064301Z. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the DTrace DOF files. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated object. An attacker can leverage this vulnerability to execute code under the context of the host OS. Was ZDI-CAN-5106.

Weakness: CWE-787

Which versions are affected by CVE-2018-1171?

It affects 2 products.

Products include Joyent Smartos, Oracle Solaris.

How do I fix CVE-2018-1171?

No fix has been published for CVE-2018-1171 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2018-1171 being exploited?

There is no known exploitation of CVE-2018-1171 in the wild and no public exploit code.

All Oracle Solaris vulnerabilities

Sources

Also known as GHSA-22m5-wfj3-68rw.