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CVE-2019-3463

Publication date 6 February 2019

Last updated 24 July 2024

Ubuntu priority

High

Why this priority?

Cvss 3 Severity Score

9.8 · Critical

Score breakdown

Insufficient sanitization of arguments 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.

Read the notes from the security team

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

Notes

sbeattie

when fixing bionic and cosmic, note regression introduced in included fix (debian bug #921655)

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