CVE-2019-1000018

Publication date 4 February 2019

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

rssh version 2.3.4 contains a CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection') vulnerability in allowscp permission that can result in Local command execution. This attack appear to be exploitable via An authorized SSH user with the allowscp permission.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
rssh	18.10 cosmic	Fixed 2.3.4-8ubuntu0.2
	18.04 LTS bionic	Fixed 2.3.4-7ubuntu0.1
	16.04 LTS xenial	Fixed 2.3.4-4+deb8u2ubuntu0.16.04.2
	14.04 LTS trusty	Fixed 2.3.4-4+deb8u2ubuntu0.14.04.2

Notes

sbeattie

this fix introduced a regression, see debian bug

Severity score breakdown

Parameter	Value
Base score	7.8 · High
Attack vector	Local
Attack complexity	Low
Privileges required	Low
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

USN-3946-1
rssh vulnerabilities
11 April 2019