CVE-2019-18887
unknown
CVSS v3
—
CVSS v2
—
VIR risk
—
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.
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2019-18887
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | fixed | 4.3.8+dfsg-1 |
| debian | bullseye | fixed | 4.3.8+dfsg-1 |
| debian | forky | fixed | 4.3.8+dfsg-1 |
| debian | sid | fixed | 4.3.8+dfsg-1 |
| debian | trixie | fixed | 4.3.8+dfsg-1 |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Packagist | symfony/http-kernel | >=2.2.0,<2.8.52 | 2.8.52 |
| Packagist | symfony/http-kernel | >=3.0.0,<3.4.35 | 3.4.35 |
| Packagist | symfony/http-kernel | >=4.0.0,<4.2.12 | 4.2.12 |
| Packagist | symfony/http-kernel | >=4.3.0,<4.3.8 | 4.3.8 |
| Packagist | symfony/symfony | >=2.2.0,<2.8.52 | 2.8.52 |
| Packagist | symfony/symfony | >=3.0.0,<3.4.35 | 3.4.35 |
| Packagist | symfony/symfony | >=4.0.0,<4.2.12 | 4.2.12 |
| Packagist | symfony/symfony | >=4.3.0,<4.3.8 | 4.3.8 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2019-18887
- https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/http-kernel/CVE-2019-18887.yaml
- https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/symfony/CVE-2019-18887.yaml
- https://github.com/symfony/symfony/releases/tag/v4.3.8
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DZNXRVHDQBNZQUCNRVZICPPBFRAUWUJX
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UED22BOXTL2SSFMGYKA64ZFHGLLJG3EA
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VXEAOEANNIVYANTMOJ42NKSU6BGNBULZ
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DZNXRVHDQBNZQUCNRVZICPPBFRAUWUJX
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UED22BOXTL2SSFMGYKA64ZFHGLLJG3EA
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VXEAOEANNIVYANTMOJ42NKSU6BGNBULZ
- https://symfony.com/blog/cve-2019-18887-use-constant-time-comparison-in-urisigner
- https://symfony.com/blog/symfony-4-3-8-released
- https://symfony.com/cve-2019-18887
- https://security-tracker.debian.org/tracker/CVE-2019-18887
Verify integrity in audit chain (admin only). AS-IS.