CVE-2020-5255: Prevent cache poisoning via a Response Content-Type header
First published: Mon Mar 30 2020(Updated: )
CVE-2020-5255: Prevent cache poisoning via a Response Content-Type header
Credit: security-advisories@github.com security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| composer/symfony/http-foundation | >=4.4.0<4.4.7>=5.0.0<5.0.7 | |
| composer/symfony/symfony | >=4.4.0<4.4.7>=5.0.0<5.0.7 | |
| SensioLabs Symfony | >=4.4.0<4.4.7 | |
| SensioLabs Symfony | >=5.0.0<5.0.7 | |
| composer/symfony/symfony | >=5.0.0<5.0.7 | 5.0.7 |
| composer/symfony/symfony | >=4.4.0<4.4.7 | 4.4.7 |
| composer/symfony/http-foundation | >=5.0.0<5.0.7 | 5.0.7 |
| composer/symfony/http-foundation | >=4.4.0<4.4.7 | 4.4.7 |
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Reference Links
- https://symfony.com/cve-2020-5255
- https://github.com/symfony/symfony/commit/dca343442e6a954f96a2609e7b4e9c21ed6d74e6
- https://github.com/symfony/symfony/security/advisories/GHSA-mcx4-f5f5-4859
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/C36JLPHUPKDFAX6D5WYFC4ALO2K7RDUQ/
- https://symfony.com/blog/cve-2020-5255-prevent-cache-poisoning-via-a-response-content-type-header
- https://nvd.nist.gov/vuln/detail/CVE-2020-5255
- https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/http-foundation/CVE-2020-5255.yaml
- https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/symfony/CVE-2020-5255.yaml
- https://github.com/advisories/GHSA-mcx4-f5f5-4859 (Advisory)
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/C36JLPHUPKDFAX6D5WYFC4ALO2K7RDUQ/
Frequently Asked Questions
What is CVE-2020-5255?
CVE-2020-5255 is a vulnerability that allows cache poisoning via a Response Content-Type header.
What is the severity of CVE-2020-5255?
The severity of CVE-2020-5255 is medium with a CVSS score of 4.3.
How does CVE-2020-5255 affect Symfony?
Versions of Symfony before 4.4.7 and 5.0.7 are affected by CVE-2020-5255.
How can I fix CVE-2020-5255?
To fix CVE-2020-5255, upgrade to Symfony version 4.4.7 or 5.0.7 or later.
Where can I find more information about CVE-2020-5255?
You can find more information about CVE-2020-5255 at the following references: [link1] [link2] [link3].
- collector/friends-of-php
- collector/nvd-index
- agent/type
- agent/first-publish-date
- collector/github-advisory-latest
- source/GitHub
- alias/GHSA-mcx4-f5f5-4859
- alias/CVE-2020-5255
- agent/software-canonical-lookup
- agent/author
- agent/severity
- agent/weakness
- agent/remedy
- agent/references
- agent/description
- collector/nvd-cve
- source/NVD
- agent/softwarecombine
- collector/github-advisory
- collector/mitre-cve
- source/MITRE
- agent/title
- agent/last-modified-date
- agent/tags
- agent/event
- package-manager/composer
- vendor/sensiolabs
- canonical/sensiolabs symfony
- version/sensiolabs symfony/4.4.0
- version/sensiolabs symfony/5.0.0