National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2015-4050 Detail

Current Description

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.

Source:  MITRE
View Analysis Description

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 4.3 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:N/I:P/A:N) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 8.6


Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): None
Integrity (I): Partial
Availability (A): None
Additional Information:
Allows unauthorized modification

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://lists.fedoraproject.org/pipermail/package-announce/2015-June/159513.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-June/159603.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-June/159610.html
http://symfony.com/blog/cve-2015-4050-esi-unauthorized-access Vendor Advisory
http://www.debian.org/security/2015/dsa-3276
http://www.securityfocus.com/bid/74928

Technical Details

Vulnerability Type (View All)

  • Improper Access Control (CWE-284)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:sensiolabs:symfony:2.3.19:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:sensiolabs:symfony:2.3.20:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:sensiolabs:symfony:2.3.21:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:sensiolabs:symfony:2.3.22:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:sensiolabs:symfony:2.3.23:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:sensiolabs:symfony:2.3.24:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:sensiolabs:symfony:2.3.25:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:sensiolabs:symfony:2.3.26:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:sensiolabs:symfony:2.3.27:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:sensiolabs:symfony:2.3.28:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:sensiolabs:symfony:2.4.9:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:sensiolabs:symfony:2.4.10:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:sensiolabs:symfony:2.5.4:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:sensiolabs:symfony:2.5.5:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:sensiolabs:symfony:2.5.6:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:sensiolabs:symfony:2.5.7:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:sensiolabs:symfony:2.5.8:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:sensiolabs:symfony:2.5.9:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:sensiolabs:symfony:2.5.10:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:sensiolabs:symfony:2.5.11:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:sensiolabs:symfony:2.6.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:sensiolabs:symfony:2.6.1:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:sensiolabs:symfony:2.6.3:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:sensiolabs:symfony:2.6.4:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:sensiolabs:symfony:2.6.5:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:sensiolabs:symfony:2.6.6:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:sensiolabs:symfony:2.6.7:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

4 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2015-4050
NVD Published Date:
06/02/2015
NVD Last Modified:
12/30/2016