Vulnerability Details CVE-2020-5275
In symfony/security-http before versions 4.4.7 and 5.0.7, when a `Firewall` checks access control rule, it iterate overs each rule's attributes and stops as soon as the accessDecisionManager decides to grant access on the attribute, preventing the check of next attributes that should have been take into account in an unanimous strategy. The accessDecisionManager is now called with all attributes at once, allowing the unanimous strategy being applied on each attribute. This issue is patched in versions 4.4.7 and 5.0.7.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 50.5%
CVSS Severity
CVSS v3 Score 7.6
CVSS v2 Score 5.5
References
- https://github.com/symfony/symfony/commit/c935e4a3fba6cc2ab463a6ca382858068d63cebf
- https://github.com/symfony/symfony/security/advisories/GHSA-g4m9-5hpf-hx72
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/C36JLPHUPKDFAX6D5WYFC4ALO2K7RDUQ/
- https://github.com/symfony/symfony/commit/c935e4a3fba6cc2ab463a6ca382858068d63cebf
- https://github.com/symfony/symfony/security/advisories/GHSA-g4m9-5hpf-hx72
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/C36JLPHUPKDFAX6D5WYFC4ALO2K7RDUQ/
Products affected by CVE-2020-5275
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cpe:2.3:a:sensiolabs:symfony:4.4.0
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cpe:2.3:a:sensiolabs:symfony:4.4.1
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cpe:2.3:a:sensiolabs:symfony:4.4.2
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cpe:2.3:a:sensiolabs:symfony:4.4.3
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cpe:2.3:a:sensiolabs:symfony:4.4.4
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cpe:2.3:a:sensiolabs:symfony:4.4.5
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cpe:2.3:a:sensiolabs:symfony:4.4.6
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cpe:2.3:a:sensiolabs:symfony:5.0.0
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cpe:2.3:a:sensiolabs:symfony:5.0.1
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cpe:2.3:a:sensiolabs:symfony:5.0.2
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cpe:2.3:a:sensiolabs:symfony:5.0.3
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cpe:2.3:a:sensiolabs:symfony:5.0.4
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cpe:2.3:a:sensiolabs:symfony:5.0.5
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cpe:2.3:a:sensiolabs:symfony:5.0.6