GLSA 201805-11: Rootkit Hunter: User-assisted execution of arbitrary code

http://security.gentoo.org/

Severity:	normal
Title:	Rootkit Hunter: User-assisted execution of arbitrary code
Date:	05/26/2018
Bugs:	#623150
ID:	201805-11

Synopsis

A vulnerability has been found in Rootkit Hunter that allows a remote attacker to execute arbitrary code.

Background

Scans for known and unknown rootkits, backdoors, and sniffers.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
app-forensics/rkhunter	< 1.4.6	>= 1.4.6	All supported architectures

Description

A vulnerability was discovered in Rootkit Hunter that allows the downloading of mirror updates over insecure channels (HTTP). Furthermore, the mirror update is then executed in Bash.

Impact

A remote attacker, by performing a man-in-the-middle attack, could execute arbitrary code, conduct a Denial of Service, or have other unspecified impacts.

Workaround

Users are advised to not trust insecure protocols such as HTTP and to turn off any mirror updates utilizing such channels.

Resolution

All Rootkit Hunter users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --oneshot --verbose ">=app-forensics/rkhunter-1.4.6"

References

CVE-2017-7480

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201805-11.xml

Concerns?

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.