| Name | CVE-2017-5493 |
| Description | wp-includes/ms-functions.php in the Multisite WordPress API in WordPress before 4.7.1 does not properly choose random numbers for keys, which makes it easier for remote attackers to bypass intended access restrictions via a crafted (1) site signup or (2) user signup. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-813-1, DSA-3779-1 |
| Debian Bugs | 851310 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| wordpress (PTS) | jessie, jessie (lts) | 4.1.35+dfsg-0+deb8u1 | fixed |
| stretch (security), stretch (lts), stretch | 4.7.23+dfsg-0+deb9u1 | fixed | |
| buster (security), buster, buster (lts) | 5.0.21+dfsg1-0+deb10u1 | fixed | |
| bullseye (security), bullseye | 5.7.11+dfsg1-0+deb11u1 | fixed | |
| bookworm (security), bookworm | 6.1.6+dfsg1-0+deb12u1 | fixed | |
| sid, trixie | 6.6.1+dfsg1-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| wordpress | source | wheezy | 3.6.1+dfsg-1~deb7u13 | DLA-813-1 | ||
| wordpress | source | jessie | 4.1+dfsg-1+deb8u12 | DSA-3779-1 | ||
| wordpress | source | (unstable) | 4.7.1+dfsg-1 | 851310 |
https://www.openwall.com/lists/oss-security/2017/01/14/1
https://wpvulndb.com/vulnerabilities/8721
https://github.com/WordPress/WordPress/commit/cea9e2dc62abf777e06b12ec4ad9d1aaa49b29f4