CVE-2014-5244: Symfony/http foundation Denial of Service Vulnerability
HIGHCVE-2014-5244 is a HIGH (CVSS 7.5) denial of service vulnerability (CWE-1333: Inefficient Regular Expression Complexity) affecting Symfony/http foundation libraries in the Packagist ecosystem. The issue involves symfony vulnerable to denial of service via a malicious http host header. Remediation is available by upgrading affected packages to version 2.3.19, 2.4.9, 2.5.4.
CVE-2014-5244 at a Glance
Security Impact
CVSS: 7.5
The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).
How to Fix CVE-2014-5244
To remediate this vulnerability, upgrade all affected Symfony/http foundation dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.
Upgrade symfony/http-foundation to 2.3.19
Upgrade symfony/http-foundation to 2.4.9
Upgrade symfony/http-foundation to 2.5.4
Upgrade symfony/symfony to 2.3.19
Upgrade symfony/symfony to 2.4.9
Upgrade symfony/symfony to 2.5.4
Run the following command in your project directory to verify that all resolved dependencies use the patched release:
inspect dependencies for symfony/http-foundation
How to Check if You Are Affected
To determine whether your application is affected by CVE-2014-5244, inspect your project dependencies for Symfony/http foundation:
inspect dependencies for symfony/http-foundation
Analyze the terminal output to locate any version of Symfony/http foundation in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 2.3.19), your application is affected.
Note: Verify declared build manifests and deployed runtime container environments.
Technical Details
Vulnerability Mechanism & Technical Analysis
This vulnerability is classified under CWE-1333: Inefficient Regular Expression Complexity, where the product uses a regular expression with a worst-case computational complexity that is inefficient and possibly exponential. In Symfony/http foundation, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.
Source Advisory Statement
CVE-2014-5244 Affected Symfony/http foundation Versions
6 component(s)| Product / Package | Ecosystem | Affected Versions | Fixed Version |
|---|---|---|---|
|
symfony/http-foundation
|
Packagist |
≥ 2.0.0
< 2.3.19
|
2.3.19
|
|
symfony/http-foundation
|
Packagist |
≥ 2.4.0
< 2.4.9
|
2.4.9
|
|
symfony/http-foundation
|
Packagist |
≥ 2.5.0
< 2.5.4
|
2.5.4
|
|
symfony/symfony
|
Packagist |
≥ 2.0.0
< 2.3.19
|
2.3.19
|
|
symfony/symfony
|
Packagist |
≥ 2.4.0
< 2.4.9
|
2.4.9
|
|
symfony/symfony
|
Packagist |
≥ 2.5.0
< 2.5.4
|
2.5.4
|
References
Frequently Asked Questions
What is CVE-2014-5244?
Which Symfony/http foundation versions are affected?
What version fixes CVE-2014-5244?
Is symfony/http-foundation affected?
Is symfony/symfony affected?
What is the CVSS score of CVE-2014-5244?
What CWE is associated with CVE-2014-5244?
How can I check Packagist dependencies for CVE-2014-5244?
Machine-readable OSV JSON
OSV v1.5 Schema
{
"schema_version" : "1.4.0",
"id" : "GHSA-v77v-x634-9m56",
"modified" : "2024-05-30T00:38:38Z",
"published" : "2024-05-30T00:38:38Z",
"aliases" : [ "CVE-2014-5244" ],
"summary" : "Symfony vulnerable to denial of service via a malicious HTTP Host header",
"details" : "All 2.0.X, 2.1.X, 2.2.X, 2.3.X, 2.4.X, and 2.5.X versions of the Symfony HttpFoundation component are affected by this security issue.\n\nThis issue has been fixed in Symfony 2.3.19, 2.4.9, and 2.5.4. Note that no fixes are provided for Symfony 2.0, 2.1, and 2.2 as they are not maintained anymore.\n\nDescription\nWhen an arbitrarily long hostname is sent by a client, its parsing in `Request::getHost()` can lead to a DoS attack, due to the way we validate the hostname via a regular expression.\n\nResolution\nThe regular expression used to parse and validate the hostname from the HTTP request has been modified to avoid too much sensitivity to the submitted value length.\n\nThe patch for this issue is available here: https://github.com/symfony/symfony/pull/11828",
"severity" : [ {
"type" : "CVSS_V3",
"score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
} ],
"affected" : [ {
"package" : {
"ecosystem" : "Packagist",
"name" : "symfony/http-foundation"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "2.0.0"
}, {
"fixed" : "2.3.19"
} ]
} ]
}, {
"package" : {
"ecosystem" : "Packagist",
"name" : "symfony/http-foundation"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "2.4.0"
}, {
"fixed" : "2.4.9"
} ]
} ]
}, {
"package" : {
"ecosystem" : "Packagist",
"name" : "symfony/http-foundation"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "2.5.0"
}, {
"fixed" : "2.5.4"
} ]
} ]
}, {
"package" : {
"ecosystem" : "Packagist",
"name" : "symfony/symfony"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "2.0.0"
}, {
"fixed" : "2.3.19"
} ]
} ]
}, {
"package" : {
"ecosystem" : "Packagist",
"name" : "symfony/symfony"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "2.4.0"
}, {
"fixed" : "2.4.9"
} ]
} ]
}, {
"package" : {
"ecosystem" : "Packagist",
"name" : "symfony/symfony"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "2.5.0"
}, {
"fixed" : "2.5.4"
} ]
} ]
} ],
"references" : [ {
"type" : "WEB",
"url" : "https://github.com/symfony/symfony/pull/11828"
}, {
"type" : "WEB",
"url" : "https://github.com/symfony/symfony/commit/1ee96a8b1b0987ffe2a62dca7ad268bf9edfa9b8"
}, {
"type" : "WEB",
"url" : "https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/http-foundation/CVE-2014-5244.yaml"
}, {
"type" : "WEB",
"url" : "https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/symfony/CVE-2014-5244.yaml"
}, {
"type" : "WEB",
"url" : "https://symfony.com/blog/cve-2014-5244-denial-of-service-with-a-malicious-http-host-header"
}, {
"type" : "WEB",
"url" : "https://symfony.com/cve-2014-5244"
} ],
"database_specific" : {
"cwe_ids" : [ "CWE-1333" ],
"severity" : "HIGH",
"github_reviewed" : true,
"github_reviewed_at" : "2024-05-30T00:38:38Z",
"nvd_published_at" : null
}
}