CVE-2017-6200 : Sandstorm before build 0.203 allows remote attackers to read any specified file

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.

Published 2018-02-06 16:29:01

Updated 2018-03-13 19:29:02

Source MITRE

View at NVD, CVE.org

Vulnerability category: Information leak

Products affected by CVE-2017-6200

Sandstorm » Sandstorm
Versions before (<) 0.203
cpe:2.3:a:sandstorm:sandstorm:*:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2017-6200

EPSS FAQ

0.46%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 61 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2017-6200

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.0	MEDIUM	AV:N/AC:L/Au:S/C:P/I:N/A:N	8.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: Single Confidentiality Impact: Partial Integrity Impact: None Availability Impact: None
6.5	MEDIUM	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N	2.8	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: None Availability: None

CWE ids for CVE-2017-6200

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2017-6200

https://github.com/sandstorm-io/sandstorm/blob/v0.202/src/sandstorm/backup.c%2B%2B#L271

sandstorm/backup.c++ at v0.202 · sandstorm-io/sandstorm · GitHub
Third Party Advisory
https://sandstorm.io/news/2017-03-02-security-review

Sandstorm gets a security review - Sandstorm Blog
Vendor Advisory

CVEs referencing this url
https://github.com/sandstorm-io/sandstorm/commit/6e8572ea8bb56d0216bb1b410e5040edc051b120

Fix newline detection in zip paths. · sandstorm-io/sandstorm@6e8572e · GitHub
Patch;Third Party Advisory
https://devco.re/blog/2018/01/26/Sandstorm-Security-Review-CVE-2017-6200-en/

Sandstorm Security Review | DEVCORE
Exploit;Third Party Advisory

CVEs referencing this url
https://github.com/sandstorm-io/sandstorm/commit/4ea8df7403381d9b657b121b3c98d8081b27414d

Improve security of zip/unzip sandbox by switching the sandboxed file… · sandstorm-io/sandstorm@4ea8df7 · GitHub
Patch;Third Party Advisory

Jump to

Vulnerability Details : CVE-2017-6200

Products affected by CVE-2017-6200

Exploit prediction scoring system (EPSS) score for CVE-2017-6200

CVSS scores for CVE-2017-6200

CWE ids for CVE-2017-6200

References for CVE-2017-6200