remctld in remctl before 3.14, when an attacker is authorized to execute a command that uses the sudo option, has a use-after-free that leads to a daemon crash, memory corruption, or arbitrary command execution.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - remctld in remctl before 3.14, when an attacker is authorized to execute a command that uses the sudo     option, has a use-after-free that leads to a daemon crash, memory corruption, or arbitrary command     execution. (CVE-2018-0493)

Note that Nessus relies on the presence of the package as reported by the vendor.

Update to 3.14 (CVE-2018-0493)

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Santosh Ananthakrishnan discovered a use-after-free in remctl, a server for Kerberos-authenticated command execution. If the command is configured with the sudo option, this could potentially result in the execution of arbitrary code.

The oldstable distribution (jessie) is not affected.

ID	Name	Product	Family	Severity
254470	Linux Distros Unpatched Vulnerability : CVE-2018-0493	Nessus	Misc.	high
120646	Fedora 28 : remctl (2018-99eed1942f)	Nessus	Fedora Local Security Checks	high
108771	Debian DSA-4159-1 : remctl - security update	Nessus	Debian Local Security Checks	high

Detections

Analytics

CVE-2018-0493

high

Tenable Plugins

high

high

high