The wp_http_validate_url function in wp-includes/http.php in WordPress before 4.4.2 allows remote attackers to conduct server-side request forgery (SSRF) attacks via a zero value in the first octet of an IPv4 address in the u parameter to wp-admin/press-this.php.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Wordpress | Wordpress | 4.4.1 (including) | 4.4.1 (including) |
| Wordpress | Ubuntu | artful | * |
| Wordpress | Ubuntu | precise | * |
| Wordpress | Ubuntu | trusty | * |
| Wordpress | Ubuntu | upstream | * |
| Wordpress | Ubuntu | wily | * |
| Wordpress | Ubuntu | yakkety | * |
| Wordpress | Ubuntu | zesty | * |
References
- http://www.debian.org/security/2016/dsa-3472
- http://www.securityfocus.com/bid/82454
- http://www.securitytracker.com/id/1034933
- https://codex.wordpress.org/Version_4.4.2
- https://core.trac.wordpress.org/changeset/36435
- https://hackerone.com/reports/110801
- https://news.ycombinator.com/item?id=20433070
- https://wordpress.org/news/2016/02/wordpress-4-4-2-security-and-maintenance-release/
- https://wpvulndb.com/vulnerabilities/8376
- http://www.debian.org/security/2016/dsa-3472
- http://www.securityfocus.com/bid/82454
- http://www.securitytracker.com/id/1034933
- https://codex.wordpress.org/Version_4.4.2
- https://core.trac.wordpress.org/changeset/36435
- https://hackerone.com/reports/110801
- https://news.ycombinator.com/item?id=20433070
- https://wordpress.org/news/2016/02/wordpress-4-4-2-security-and-maintenance-release/
- https://wpvulndb.com/vulnerabilities/8376