CVE-2019-3464
Publication date 6 February 2019
Last updated 24 July 2024
Ubuntu priority
Cvss 3 Severity Score
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 | ||
18.04 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 |
References
Related Ubuntu Security Notices (USN)
- USN-3946-1
- rssh vulnerabilities
- 11 April 2019