CVE-2017-9066 : In WordPress before 4.7.5, there is insufficient redirect validation in the HTTP class, leading to SSRF.

In WordPress before 4.7.5, there is insufficient redirect validation in the HTTP class, leading to SSRF.

Published 2017-05-18 14:29:00

Updated 2019-03-15 11:52:24

Source MITRE

View at NVD, CVE.org

Vulnerability category: Server-side request forgery (SSRF)

Threat overview for CVE-2017-9066

Top countries where our scanners detected CVE-2017-9066

Top open port discovered on systems with this issue 80

IPs affected by CVE-2017-9066 23

Threat actors abusing to this issue? Yes

Find out if you^* are affected by CVE-2017-9066!

^*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-2017-9066

EPSS FAQ

1.08%

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

~ 82 %

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

CVSS scores for CVE-2017-9066

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:N/I:P/A:N	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: Partial Availability Impact: None
8.6	HIGH	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N	3.9	4.0	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Changed Confidentiality: None Integrity: High Availability: None

CWE ids for CVE-2017-9066

CWE-918 Server-Side Request Forgery (SSRF)

The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2017-9066

https://www.debian.org/security/2018/dsa-4090

Debian -- Security Information -- DSA-4090-1 wordpress
Third Party Advisory

CVEs referencing this url
https://github.com/WordPress/WordPress/commit/76d77e927bb4d0f87c7262a50e28d84e01fd2b11

Improve redirect handling · WordPress/WordPress@76d77e9 · GitHub
Patch
http://www.securitytracker.com/id/1038520

WordPress Multiple Flaws Let Remote Users Bypass Redirect Validation, Conduct Cross-Site Scripting Attacks, and Conduct Cross-Site Request Forgery Attacks - SecurityTracker
Third Party Advisory;VDB Entry

CVEs referencing this url
http://www.securityfocus.com/bid/98509

WordPress Prior to 4.7.5 Multiple Security Vulnerabilities
Third Party Advisory;VDB Entry

CVEs referencing this url
https://wordpress.org/news/2017/05/wordpress-4-7-5/

News – WordPress 4.7.5 Security and Maintenance Release – WordPress.org
Patch;Vendor Advisory

CVEs referencing this url
https://codex.wordpress.org/Version_4.7.5

Version 4.7.5 | WordPress.org
Patch;Release Notes

CVEs referencing this url
https://twitter.com/skansing/status/865362551097393153

Ronni Skansing on Twitter: "Wordpress CVE-2017-9066 "Insufficient redirect validation in the HTTP class" is a SSRF"
Third Party Advisory
https://wpvulndb.com/vulnerabilities/8815

WordPress 2.7.0-4.7.4 - Insufficient Redirect Validation
Third Party Advisory

Products affected by CVE-2017-9066