UBUNTU-CVE-2015-4050
Dashboard / Vulnerabilities / UBUNTU-CVE-2015-4050
Summary:
Details: FragmentListener in the HttpKernel component in Symfony 2.3.19 through 2.3.28, 2.4.9 through 2.4.10, 2.5.4 through 2.5.11, and 2.6.0 through 2.6.7, 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.
References: https://ubuntu.com/security/CVE-2015-4050, http://symfony.com/blog/cve-2015-4050-esi-unauthorized-access, https://www.cve.org/CVERecord?id=CVE-2015-4050
Affected packages
Package
Name: symfony
Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=xenial
Affected ranges
Type: ECOSYSTEM
Events:
Introduced- 0
Fixed -2.7.10-0ubuntu2
Affected versions
2.7.1+dfsg-1
2.7.5+dfsg-1
2.7.9+dfsg-1
2.7.9+dfsg-1ubuntu2
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
