CVE-2019-3464
Critical
Description
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.
SeverityCritical
CVSS9.8
Exploit probability—
Product
Pizzashack Rssh
PublishedFeb 6, 2019
First seenFeb 6, 2019
How to fix
Vendor advisories
- debian.org/security/2019/dsa-4382
- usn.ubuntu.com/3946-1/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HO3MDU3AH5SLYBKHH5PJ6PHC63ASIF42/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T42YYNWJZG422GATWAHAEK4A24OKY557/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KR2OHTHMJVV4DO3HDRFQQZ5JENHDJQEN/
- security.gentoo.org/glsa/202007-29
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| pizzashack rssh | 2.3.4 | — |
| debian debian_linux | 8.0, 9.0 | — |
| fedoraproject fedora | 29, 30, 31 | — |
| canonical ubuntu_linux | 14.04, 16.04, 18.04, 18.10 | — |
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