Symfony vulnerable to Session Fixation of CSRF tokens
CVE-2022-24895

6.3MEDIUM

Key Information:

Vendor

Symfony

Status
Symfony
Vendor
CVE Published:
3 February 2023

What is CVE-2022-24895?

The Symfony PHP framework, widely used for web and console applications, has a security issue where it fails to clear CSRF tokens during user session regeneration upon login. This oversight allows same-site attackers to potentially exploit the CSRF protection mechanism, thereby facilitating a session fixation attack. The vulnerability has been addressed in the 4.4 branch of Symfony to enhance security and protect users effectively. It is critical for developers using Symfony to update their applications to mitigate risks associated with this vulnerability.

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Affected Version(s)

symfony >= 2.0.0, < 4.4.50 < 2.0.0, 4.4.50

symfony >= 5.0.0, < 5.4.20 < 5.0.0, 5.4.20

symfony >= 6.0.0, < 6.0.20 < 6.0.0, 6.0.20

References

https://github.com/symfony/symfony/security/advisories/GH...
x_refsource_CONFIRM
https://github.com/symfony/security-bundle/commit/076fd20...
x_refsource_MISC
https://github.com/symfony/symfony/commit/5909d74ecee359e...
x_refsource_MISC

CVSS V3.1

Score:
6.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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