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CVE-2019-3464

Publication date 6 February 2019

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

9.8 · Critical

Score breakdown

Insufficient sanitization of environment variables passed to rsync can bypass the restrictions imposed by rssh, a restricted shell that should restrict users to perform only rsync operations, resulting in the execution of arbitrary shell commands.

Status

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+deb8u2build0.16.04.1
14.04 LTS trusty
Fixed 2.3.4-4+deb8u2build0.14.04.1

Severity score breakdown

Parameter Value
Base score 9.8 · Critical
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H