| Name | CVE-2019-18888 |
| Description | An issue was discovered in Symfony 2.8.0 through 2.8.50, 3.4.0 through 3.4.34, 4.2.0 through 4.2.11, and 4.3.0 through 4.3.7. If an application passes unvalidated user input as the file for which MIME type validation should occur, then arbitrary arguments are passed to the underlying file command. This is related to symfony/http-foundation (and symfony/mime in 4.3.x). |
| 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-1999-1, DSA-4573-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| symfony (PTS) | jessie, jessie (lts) | 2.3.21+dfsg-4+deb8u6 | fixed |
| stretch (security) | 2.8.7+dfsg-1.3+deb9u3 | fixed | |
| stretch (lts), stretch | 2.8.7+dfsg-1.3+deb9u5 | fixed | |
| buster (security), buster, buster (lts) | 3.4.22+dfsg-2+deb10u3 | fixed | |
| bullseye | 4.4.19+dfsg-2+deb11u6 | fixed | |
| bookworm | 5.4.23+dfsg-1+deb12u2 | fixed | |
| bookworm (security) | 5.4.23+dfsg-1+deb12u4 | fixed | |
| sid, trixie | 6.4.15+dfsg-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| symfony | source | wheezy | (unfixed) | end-of-life | ||
| symfony | source | jessie | 2.3.21+dfsg-4+deb8u6 | DLA-1999-1 | ||
| symfony | source | stretch | 2.8.7+dfsg-1.3+deb9u3 | DSA-4573-1 | ||
| symfony | source | buster | 3.4.22+dfsg-2+deb10u1 | DSA-4573-1 | ||
| symfony | source | (unstable) | 4.3.8+dfsg-1 |
https://symfony.com/blog/cve-2019-18888-prevent-argument-injection-in-a-mimetypeguesser
https://github.com/symfony/symfony/commit/691486e43ce0e4893cd703e221bafc10a871f365
https://github.com/symfony/symfony/commit/77ddabf2e785ea85860d2720cc86f7c5d8967ed5