CVE-2017-16653
Last modified
CVE-2017-16653 is a vulnerability of currently unknown severity. An issue was discovered in Symfony before 2.7.38, 2.8.31, 3.2.14, 3.3.13, 3.4-BETA5, and 4.0-BETA5. The current implementation of CSRF protection in Symfony (Version >=2) does not use different tokens for HTTP and HTTPS; therefore the token is subject to MITM attacks on HTTP and can then be used in an HTTPS context to do CSRF attacks.. EPSS estimates a 1.47% chance of exploitation in the next 30 days.
Description
An issue was discovered in Symfony before 2.7.38, 2.8.31, 3.2.14, 3.3.13, 3.4-BETA5, and 4.0-BETA5. The current implementation of CSRF protection in Symfony (Version >=2) does not use different tokens for HTTP and HTTPS; therefore the token is subject to MITM attacks on HTTP and can then be used in an HTTPS context to do CSRF attacks.
Metrics
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Sensiolabs | Symfony | >= 2.7.0, <= 2.7.37 |
| Sensiolabs | Symfony | >= 3.2.0, <= 3.2.13 |
| Sensiolabs | Symfony | >= 3.3.0, <= 3.3.12 |
| Sensiolabs | Symfony | >= 3.8.0, <= 3.8.30 |
| Debian | Debian Linux | 9.0 |
References
- https://github.com/symfony/symfony/pull/24992Issue Tracking, Third Party Advisory
- https://symfony.com/blog/cve-2017-16653-csrf-protection-does-not-use-different-tokens-for-http-and-httpsIssue Tracking, Third Party Advisory
- https://www.debian.org/security/2018/dsa-4262Third Party Advisory
- https://github.com/symfony/symfony/pull/24992Issue Tracking, Third Party Advisory
- https://symfony.com/blog/cve-2017-16653-csrf-protection-does-not-use-different-tokens-for-http-and-httpsIssue Tracking, Third Party Advisory
- https://www.debian.org/security/2018/dsa-4262Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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