| Name | CVE-2019-18887 |
| 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. The UriSigner was subject to timing attacks. This is related to symfony/http-kernel. |
| 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-2019-18887-use-constant-time-comparison-in-urisigner
https://github.com/symfony/symfony/commit/cccefe6a7f12e776df0665aeb77fe9294c285fbb