GHSA-q8hg-pf8v-cxrv

Symfony Http-Kernel has non-constant time comparison in UriSigner

At a glance

Published
Updated
CVE
CVE-2019-18887
CVSS_V3
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

When checking the signature of an URI (an ESI fragment URL for instance), the URISigner did not used a constant time string comparison function, resulting in a potential remote timing attack vulnerability.

Affected packages

PackageVersions
Packagist · symfony/http-kernelintroduced 2.2.0, fixed 2.8.52
Packagist · symfony/http-kernelintroduced 3.0.0, fixed 3.4.35
Packagist · symfony/http-kernelintroduced 4.0.0, fixed 4.2.12
Packagist · symfony/http-kernelintroduced 4.3.0, fixed 4.3.8
Packagist · symfony/symfonyintroduced 2.2.0, fixed 2.8.52
Packagist · symfony/symfonyintroduced 3.0.0, fixed 3.4.35
Packagist · symfony/symfonyintroduced 4.0.0, fixed 4.2.12
Packagist · symfony/symfonyintroduced 4.3.0, fixed 4.3.8

References

Sources

SourceLicence
OSV.devCC-BY 4.0 — GitHub Advisory Database