CVE-2019-3463

Publication date 6 February 2019

Last updated 25 August 2025

Ubuntu priority

High

Why this priority?

Cvss 3 Severity Score

9.8 · Critical

Score breakdown

Description

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+deb8u2ubuntu0.16.04.2
14.04 LTS trusty
Fixed 2.3.4-4+deb8u2ubuntu0.14.04.2

Notes

sbeattie

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

Severity score breakdown

CVSS version: CVSS v3.0

Base score 9.8 · Critical

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

Other references

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