Code Injection

symfony is vulnerable to Code Injection. The vulnerability is due to lack of CSRF protection for the import/export feature, allowing attackers to exploit the PHP serialized string import...

Privilege Escalation

symfony/symfony is vulnerable to Privilege Escalation. The vulnerability is due to a flaw in the handling of user updates in the EntityUserProvider provided by the Doctrine bridge, allowing users to switch to another user by changing their username via a form, despite encountering a validation...

Improper Input Validation

Symfony is vulnerable to Improper Input Validation. The vulnerability is due to trusting the remote address when at least one trusted proxy is involved, allowing an attacker to manipulate HTTP header values...

XML External Entity (XXE) Injection

symfony/serializer is vulnerable to XML External Entity XXE injection. This vulnerability is due to the failure to disable external entities when parsing XML using the XMLEncoder component, which allows an attacker to include arbitrary files from the file system by exploiting the XXE injection fl...

Denial Of Service (DoS)

Symfony is vulnerable to Denial Of Service DoS. The vulnerability is due to improper hostname validation via a regular expression within Request::getHost, which results in DoS...

XML Entity Expansion (XEE)

symfony/routing is vulnerable to XML Entity Expansion XEE. The vulnerability is due to allowing custom entities in PHP, which allows an attacker to submit XML which results in a XEE Quadratic Blowup...

XML External Entity

symfony/symfony is vulnerable to XML External Entity. The vulnerability is due to the absence of proper validation mechanisms for XML input, which allows attackers to process external entities resulting in the inclusion of arbitrary files...

XML Entity Expansion

symfony/symfony is vulnerable to XML Entity Expansion. The vulnerability is due to all extensions that use libxml2 having no defense against Quadratic Blowup Attacks, which involve defining a long entity that is repeatedly referenced within the XML document, thus creating a potential memory sink...

IP Address Spoofing

Symfony is vulnerable to IP Address Spoofing The vulnerability is due to the potential manipulation of client IP addresses returned by the Request::getClientIp method for sensitive decisions. It allows malicious actors to manipulate or spoof their IP addresses...

symfony/validator XML Entity Expansion vulnerability

Symfony 2.0.11 carried a similar XXE security fix, however, on review of ZF2 I also noted a vulnerability to XML Entity Expansion XEE attacks whereby all extensions making use of libxml2 have no defense against XEE Quadratic Blowup Attacks. The vulnerability is a function of there being no curren...

GHSA-4VF2-QFG3-7598 symfony/validator XML Entity Expansion vulnerability

Symfony 2.0.11 carried a similar XXE security fix, however, on review of ZF2 I also noted a vulnerability to XML Entity Expansion XEE attacks whereby all extensions making use of libxml2 have no defense against XEE Quadratic Blowup Attacks. The vulnerability is a function of there being no curren...

symfony/translation XML Entity Expansion vulnerability

Symfony 2.0.11 carried a similar XXE security fix, however, on review of ZF2 I also noted a vulnerability to XML Entity Expansion XEE attacks whereby all extensions making use of libxml2 have no defense against XEE Quadratic Blowup Attacks. The vulnerability is a function of there being no curren...

GHSA-F75P-X5VM-83QP symfony/translation XML Entity Expansion vulnerability

Symfony 2.0.11 carried a similar XXE security fix, however, on review of ZF2 I also noted a vulnerability to XML Entity Expansion XEE attacks whereby all extensions making use of libxml2 have no defense against XEE Quadratic Blowup Attacks. The vulnerability is a function of there being no curren...

Symfony Cross-Site Request Forgery vulnerability in the Web Profiler

All 2.0.X, 2.1.X, 2.2.X, 2.3.X, 2.4.X, and 2.5.X versions of the Symfony WebProfiler bundle are affected by this security issue. This 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...

GHSA-V35G-4RRW-H4FW Symfony Cross-Site Request Forgery vulnerability in the Web Profiler

All 2.0.X, 2.1.X, 2.2.X, 2.3.X, 2.4.X, and 2.5.X versions of the Symfony WebProfiler bundle are affected by this security issue. This 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...

GHSA-Q2GC-GG3X-7942 Symfony XML Entity Expansion security vulnerability

Symfony 2.0.11 carried a similar XXE security fix, however, on review of ZF2 I also noted a vulnerability to XML Entity Expansion XEE attacks whereby all extensions making use of libxml2 have no defense against XEE Quadratic Blowup Attacks. The vulnerability is a function of there being no curren...

Symfony XML Entity Expansion security vulnerability

Symfony 2.0.11 carried a similar XXE security fix, however, on review of ZF2 I also noted a vulnerability to XML Entity Expansion XEE attacks whereby all extensions making use of libxml2 have no defense against XEE Quadratic Blowup Attacks. The vulnerability is a function of there being no curren...

Symfony XML decoding attack vector through external entities

The XMLEncoder component of Symfony 2.0.x fails to disable external entities when parsing XML. In the Symfony2 framework the XML class may be used to deserialize objects or as part of a client/server API. By using external entities it is possible to include arbitrary files from the file system...

XML Entity Expansion (XEE)

symfony/dependency-injection is vulnerable to XML Entity Expansion XEE . The vulnerability is due to XML Entity Expansion XEE attacks, where the use of libxml2 lacks defense against XEE Quadratic Blowup Attacks QBA, allowing long entities to create a memory sink for Denial of Service attacks on R...

GHSA-7MX2-7Q8P-PGMW Symfony may allow a user to switch to using another user's identity

Symfony 2.0.6 has just been released. It addresses a security vulnerability in the EntityUserProvider as provided in the Doctrine bridge. If you let your users update their login/username from a form, and if you are using Doctrine as a user provider, then you are vulnerable and you should upgrade...