Use of Insufficiently Random Values Affecting wordpress package, versions <4.9.1+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-362750
- published2 Dec 2017
- disclosed2 Dec 2017
Introduced: 2 Dec 2017
CVE-2017-17091 (opens in a new tab)How to fix?
Upgrade Debian:unstable wordpress to version 4.9.1+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-admin/user-new.php in WordPress before 4.9.1 sets the newbloguser key to a string that can be directly derived from the user ID, which allows remote attackers to bypass intended access restrictions by entering this string.
References
- https://security-tracker.debian.org/tracker/CVE-2017-17091
- https://www.debian.org/security/2018/dsa-4090
- https://lists.debian.org/debian-lts-announce/2017/12/msg00019.html
- https://github.com/WordPress/WordPress/commit/eaf1cfdc1fe0bdffabd8d879c591b864d833326c
- https://codex.wordpress.org/Version_4.9.1
- https://wordpress.org/news/2017/11/wordpress-4-9-1-security-and-maintenance-release/
- https://wpvulndb.com/vulnerabilities/8969
- http://www.securityfocus.com/bid/102024
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2017-17091