Information Exposure Affecting wordpress package, versions <4.7.1+dfsg-1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-DEBIANUNSTABLE-WORDPRESS-363396
- published15 Jan 2017
- disclosed15 Jan 2017
Introduced: 15 Jan 2017
CVE-2017-5487 (opens in a new tab)How to fix?
Upgrade Debian:unstable wordpress to version 4.7.1+dfsg-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream wordpress package and not the wordpress package as distributed by Debian.
See How to fix? for Debian:unstable relevant fixed versions and status.
wp-includes/rest-api/endpoints/class-wp-rest-users-controller.php in the REST API implementation in WordPress 4.7 before 4.7.1 does not properly restrict listings of post authors, which allows remote attackers to obtain sensitive information via a wp-json/wp/v2/users request.
References
- https://security-tracker.debian.org/tracker/CVE-2017-5487
- https://www.exploit-db.com/exploits/41497/
- https://github.com/WordPress/WordPress/commit/daf358983cc1ce0c77bf6d2de2ebbb43df2add60
- https://codex.wordpress.org/Version_4.7.1
- https://wordpress.org/news/2017/01/wordpress-4-7-1-security-and-maintenance-release/
- https://wpvulndb.com/vulnerabilities/8715
- https://www.wordfence.com/blog/2016/12/wordfence-blocks-username-harvesting-via-new-rest-api-wp-4-7/
- http://www.openwall.com/lists/oss-security/2017/01/14/6
- http://www.securityfocus.com/bid/95391
- http://www.securitytracker.com/id/1037591