CVE-2018-19790

UnknownEPSS 1.49%

Last modified

CVE-2018-19790 is a vulnerability of currently unknown severity. An open redirect was discovered in Symfony 2.7.x before 2.7.50, 2.8.x before 2.8.49, 3.x before 3.4.20, 4.0.x before 4.0.15, 4.1.x before 4.1.9 and 4.2.x before 4.2.1. By using backslashes in the `_failure_path` input field of login forms, an attacker can work around the redirection target restrictions and effectively redirect the user to any domain after login.. EPSS estimates a 1.49% chance of exploitation in the next 30 days.

Description

An open redirect was discovered in Symfony 2.7.x before 2.7.50, 2.8.x before 2.8.49, 3.x before 3.4.20, 4.0.x before 4.0.15, 4.1.x before 4.1.9 and 4.2.x before 4.2.1. By using backslashes in the `_failure_path` input field of login forms, an attacker can work around the redirection target restrictions and effectively redirect the user to any domain after login.

Metrics

EPSS Probability
1.49%

70.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
SensiolabsSymfony>= 2.7.0, < 2.7.50
SensiolabsSymfony>= 2.8.0, < 2.8.49
SensiolabsSymfony>= 3.0.0, < 3.4.20
SensiolabsSymfony>= 4.0.0, < 4.0.15
SensiolabsSymfony>= 4.1.0, < 4.1.9
SensiolabsSymfony>= 4.2.0, < 4.2.1
FedoraprojectFedora28
DebianDebian Linux8.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2018-19790?
An open redirect was discovered in Symfony 2.7.x before 2.7.50, 2.8.x before 2.8.49, 3.x before 3.4.20, 4.0.x before 4.0.15, 4.1.x before 4.1.9 and 4.2.x before 4.2.1. By using backslashes in the `_failure_path` input field of login forms, an attacker can work around the redirection target restrictions and effectively redirect the user to any domain after login.
How severe is CVE-2018-19790?
Severity scoring for CVE-2018-19790 is pending analysis. The EPSS model estimates a 1.49% probability of exploitation in the next 30 days.
How do I fix CVE-2018-19790?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-19790?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST