CVE-2017-14949 : Restlet Framework before 2.3.12 allows remote attackers to access arbitrary file

Restlet Framework before 2.3.12 allows remote attackers to access arbitrary files via a crafted REST API HTTP request that conducts an XXE attack, because only general external entities (not parameter external entities) are properly considered. This is related to XmlRepresentation, DOMRepresentation, SaxRepresentation, and JacksonRepresentation.

Published 2017-11-30 18:29:00

Updated 2017-12-15 19:17:52

Source MITRE

View at NVD, CVE.org

Vulnerability category: XML external entity (XXE) injection

Products affected by CVE-2017-14949

Restlet » Restlet
Versions before (<) 2.3.12
cpe:2.3:a:restlet:restlet:*:*:*:*:*:*:*:*
Matching versions

Threat overview for CVE-2017-14949

Top countries where our scanners detected CVE-2017-14949

Top open port discovered on systems with this issue 23424

IPs affected by CVE-2017-14949 8,764

Threat actors abusing to this issue? Yes

Find out if you^* are affected by CVE-2017-14949!

^*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2017-14949

EPSS FAQ

0.51%

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

~ 65 %

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

CVSS scores for CVE-2017-14949

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:P/I:N/A:N	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: None Availability Impact: None
7.5	HIGH	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: None Availability: None

CWE ids for CVE-2017-14949

CWE-611 Improper Restriction of XML External Entity Reference

The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2017-14949

https://lgtm.com/blog/restlet_CVE-2017-14949

Restlet XXE vulnerability (CVE-2017-14949) | Semmle Blog
Exploit;Third Party Advisory
https://github.com/restlet/restlet-framework-java/wiki/XEE-security-enhancements

XEE security enhancements · restlet/restlet-framework-java Wiki · GitHub
Third Party Advisory

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