| Name | CVE-2019-8942 |
| Description | WordPress before 4.9.9 and 5.x before 5.0.1 allows remote code execution because an _wp_attached_file Post Meta entry can be changed to an arbitrary string, such as one ending with a .jpg?file.php substring. An attacker with author privileges can execute arbitrary code by uploading a crafted image containing PHP code in the Exif metadata. Exploitation can leverage CVE-2019-8943. |
| 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-1742-1, DSA-4401-1 |
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 | (unfixed) | end-of-life | ||
| wordpress | source | jessie | 4.1.26+dfsg-1+deb8u1 | DLA-1742-1 | ||
| wordpress | source | stretch | 4.7.5+dfsg-2+deb9u5 | DSA-4401-1 | ||
| wordpress | source | (unstable) | 5.0.1+dfsg1-1 |
https://blog.ripstech.com/2019/wordpress-image-remote-code-execution/
Issue fixed in 4.9.9 and 5.0.1 upstream