CVE-2019-18887 — Vulnetix

CVE-2019-18887 PUBLISHED

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.

EPSS 0.81% · 74.7th percentile

Risk Scores

EPSS Score

0.81%

74.7th percentile

Affected Products

Vendor	Product	Versions
Ubuntu:Pro:18.04:LTS	symfony	0, 3.4.3+dfsg-1ubuntu4, 3.4.6+dfsg-1
Ubuntu:16.04:LTS	symfony	0, 2.7.1+dfsg-1, 2.7.5+dfsg-1

Exploit Intelligence

https://symfony.com/blog/symfony-4-3-8-released (circl)
https://github.com/symfony/symfony/releases/tag/v4.3.8 (circl)
https://symfony.com/blog/cve-2019-18887-use-constant-time-comparison-in-urisigner (circl)
FEDORA-2019-9c2ad3b018 (circl)
FEDORA-2019-5ae4fd9203 (circl)
FEDORA-2019-8b0ba02338 (circl)

Timeline

Nov 21, 2019 CVE Published
Apr 14, 2021 EPSS Score
Jun 23, 2021 EPSS Score
Aug 24, 2021 EPSS Score
Dec 27, 2021 EPSS Score
Jan 6, 2022 EPSS Score
Feb 4, 2022 EPSS Score
Feb 28, 2022 EPSS Score
Apr 1, 2022 EPSS Score
May 1, 2022 EPSS Score
Sep 4, 2022 EPSS Score
Nov 6, 2022 EPSS Score

References

https://ubuntu.com/security/CVE-2019-18887 third-party-advisory
https://symfony.com/blog/cve-2019-18887-use-constant-time-comparison-in-urisigner third-party-advisory
https://github.com/symfony/symfony/commit/cccefe6a7f12e776df0665aeb77fe9294c285fbb third-party-advisory
https://www.cve.org/CVERecord?id=CVE-2019-18887 third-party-advisory

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