rssh: Multiple vulnerabilities — GLSA 202007-29

Multiple vulnerabilities have been found in rssh, the worst of which could result in the arbitrary execution of code.

Affected packages

Package 	app-shells/rssh on all architectures
Affected versions 	<= 2.3.4_p3
Unaffected versions 	

Background

rssh is a restricted shell, allowing only a few commands like scp or sftp. It is often used as a complement to OpenSSH to provide limited access to users.

Description

Multiple vulnerabilities have been discovered in rssh. Please review the CVE identifiers referenced below for details.

Impact

Please review the referenced CVE identifiers for details.

Workaround

There is no known workaround at this time.

Resolution

Gentoo has discontinued support for rssh. We recommend that users unmerge rssh:

 # emerge --unmerge "app-shells/rssh"
 

NOTE: The Gentoo developer(s) maintaining rssh have discontinued support at this time. It may be possible that a new Gentoo developer will update rssh at a later date. OpenSSH (net-misc/openssh) may be able to provide similar functionality using its extensive configuration.
References

    CVE-2019-1000018
    CVE-2019-3463
    CVE-2019-3464