Access Restriction Bypass Affecting symfony/http-kernel package, versions >=2.3.19, <2.3.29 >=2.6.0, <2.6.8 >=2.4.9, <2.5.0 >=2.5.4, <2.5.12
Snyk CVSS
Attack Complexity
Low
User Interaction
Required
Threat Intelligence
Exploit Maturity
Proof of concept
EPSS
0.6% (79th
percentile)
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Test your applications- Snyk ID SNYK-PHP-SYMFONYHTTPKERNEL-70183
- published 26 May 2015
- disclosed 26 May 2015
- credit Unknown
Introduced: 26 May 2015
CVE-2015-4050 Open this link in a new tabHow to fix?
Upgrade symfony/http-kernel to version 2.3.29, 2.6.8, 2.5.0, 2.5.12 or higher.
Overview
Affected versions of symfony/http-kernel are vulnerable to Access Restriction Bypass.
When ESI or SSI support enabled, does not check if the _controller attribute is set, which allows remote attackers to bypass URL signing and security rules by including (1) no hash or (2) an invalid hash in a request to /_fragment.