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8.1
CVSSv3

CVE-2019-18887

Published: 21/11/2019 Updated: 07/11/2023
CVSS v2 Base Score: 6.8 | Impact Score: 6.4 | Exploitability Score: 8.6
CVSS v3 Base Score: 8.1 | Impact Score: 5.9 | Exploitability Score: 2.2
VMScore: 605
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P
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Vulnerability Summary

An issue exists in Symfony 2.8.0 up to and including 2.8.50, 3.4.0 up to and including 3.4.34, 4.2.0 up to and including 4.2.11, and 4.3.0 up to and including 4.3.7. The UriSigner was subject to timing attacks. This is related to symfony/http-kernel.

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fedoraproject fedora 30

fedoraproject fedora 31

Vendor Advisories

Debian Security Advisories: DSA-4573-1 symfony -- security update
Multiple vulnerabilities have been found in the Symfony PHP framework which could lead to a timing attack/information leak, argument injection and code execution via unserialization For the oldstable distribution (stretch), these problems have been fixed in version 287+dfsg-13+deb9u3 For the stable distribution (buster), these problems have be ...

References

CWE-203https://github.com/symfony/symfony/releases/tag/v4.3.8https://symfony.com/blog/symfony-4-3-8-releasedhttps://symfony.com/blog/cve-2019-18887-use-constant-time-comparison-in-urisignerhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DZNXRVHDQBNZQUCNRVZICPPBFRAUWUJX/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VXEAOEANNIVYANTMOJ42NKSU6BGNBULZ/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UED22BOXTL2SSFMGYKA64ZFHGLLJG3EA/https://nvd.nist.govhttps://www.debian.org/security/2019/dsa-4573
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2024-30924CVE-2024-3400overflowCVE-2024-23528CVE-2024-21338CVE-2024-3818CVE-2024-23535NULL pointer dereferenceelevation of privilege
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