| Name | CVE-2015-5730 |
| Description | The sanitize_widget_instance function in wp-includes/class-wp-customize-widgets.php in WordPress before 4.2.4 does not use a constant-time comparison for widgets, which allows remote attackers to conduct a timing side-channel attack by measuring the delay before inequality is calculated. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more) |
| References | DSA-3332-1 |
| NVD severity | medium (attack range: remote) |
| Debian Bugs | 794560 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| wordpress (PTS) | jessie | 4.1+dfsg-1+deb8u17 | fixed |
| jessie (security) | 4.1.26+dfsg-1+deb8u1 | fixed | |
| stretch (security), stretch | 4.7.5+dfsg-2+deb9u5 | fixed | |
| bullseye, buster | 5.0.4+dfsg1-1 | fixed | |
| sid | 5.2.2+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 | (unstable) | 4.2.4+dfsg-1 | medium | 794560 | |
| wordpress | source | jessie | 4.1+dfsg-1+deb8u4 | medium | DSA-3332-1 | |
| wordpress | source | squeeze | (not affected) | |||
| wordpress | source | wheezy | (not affected) |
[squeeze] - wordpress <not-affected> (Vulnerable code introduced later)
[wheezy] - wordpress <not-affected> (Vulnerable code introduced later)
https://core.trac.wordpress.org/changeset/33535
https://core.trac.wordpress.org/changeset/33536