Sandstorm before build 0.203 allows remote attackers to read any specified file under /etc or /run via the sandbox backup function. The root cause is that the findFilesToZip function doesn't filter Line Feed (\n) characters in a directory name.
https://github.com/sandstorm-io/sandstorm/commit/6e8572ea8bb56d0216bb1b410e5040edc051b120
https://github.com/sandstorm-io/sandstorm/commit/4ea8df7403381d9b657b121b3c98d8081b27414d
https://github.com/sandstorm-io/sandstorm/blob/v0.202/src/sandstorm/backup.c%2B%2B#L271
https://sandstorm.io/news/2017-03-02-security-review
https://devco.re/blog/2018/01/26/Sandstorm-Security-Review-CVE-2017-6200-en/
Source: Mitre, NVD
Published: 2018-02-06
Updated: 2026-06-17
Base Score: 4
Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:N/A:N
Severity: Medium
Base Score: 6.5
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS: 0.00457