CVE-2020-15094: RCE in Symfony
First published: Wed Sep 02 2020(Updated: )
CVE-2020-15094: Prevent RCE when calling untrusted remote with CachingHttpClient
Credit: security-advisories@github.com security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| composer/symfony/http-kernel | >=4.3.0<4.4.0>=4.4.0<4.4.13>=5.0.0<5.1.0>=5.1.0<5.1.5 | |
| composer/symfony/symfony | >=4.3.0<4.4.0>=4.4.0<4.4.13>=5.0.0<5.1.0>=5.1.0<5.1.5 | |
| Sensiolabs Httpclient | >=4.4.0<4.4.13 | |
| Sensiolabs Httpclient | >=5.1.0<5.1.5 | |
| SensioLabs Symfony | >=4.4.0<4.4.13 | |
| SensioLabs Symfony | >=5.1.0<5.1.5 | |
| Fedoraproject Fedora | =32 | |
| Fedoraproject Fedora | =33 | |
| composer/symfony/symfony | >=4.3.0<4.4.13 | 4.4.13 |
| composer/symfony/http-kernel | >=4.3.0<4.4.13 | 4.4.13 |
| composer/symfony/symfony | >=5.0.0<5.1.5 | 5.1.5 |
| composer/symfony/http-kernel | >=5.0.0<5.1.5 | 5.1.5 |
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Reference Links
- https://symfony.com/cve-2020-15094
- https://github.com/symfony/symfony/commit/d9910e0b33a2e0f993abff41c6fbc86951b66d78
- https://github.com/symfony/symfony/security/advisories/GHSA-754h-5r27-7x3r
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HNGUWOEETOFVH4PN3I3YO4QZHQ4AUKF3/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VAQJXAKWPMWB7OL6QPG2ZSEQZYYPU5RC/
- https://packagist.org/packages/symfony/http-kernel
- https://packagist.org/packages/symfony/symfony
- https://nvd.nist.gov/vuln/detail/CVE-2020-15094
- https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/http-kernel/CVE-2020-15094.yaml
- https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/symfony/CVE-2020-15094.yaml
- https://github.com/advisories/GHSA-754h-5r27-7x3r (Advisory)
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HNGUWOEETOFVH4PN3I3YO4QZHQ4AUKF3/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VAQJXAKWPMWB7OL6QPG2ZSEQZYYPU5RC/
Frequently Asked Questions
What is CVE-2020-15094?
CVE-2020-15094 is a vulnerability in the Symfony HttpClient component that allows remote code execution (RCE) when calling an untrusted remote.
What is the severity of CVE-2020-15094?
CVE-2020-15094 has a severity value of 8.8, which is considered high.
Which software packages are affected by CVE-2020-15094?
The affected software packages include Symfony HttpKernel and Symfony HttpClient versions 4.3.0 up to 4.4.13, and versions 5.0.0 up to 5.1.5. It also affects Sensiolabs Httpclient versions 4.4.0 up to 4.4.13 and versions 5.1.0 up to 5.1.5, as well as Sensiolabs Symfony versions 4.4.0 up to 4.4.13 and versions 5.1.0 up to 5.1.5.
How does the CachingHttpClient class in Symfony handle requests?
The CachingHttpClient class in Symfony relies on the HttpCache class to handle requests.
What headers does the HttpCache class use to control the restoration of cached responses?
The HttpCache class uses internal headers like X-Body-Eval and X-Body-File to control the restoration of cached responses.
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- version/fedoraproject fedora/33