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Vulnerability Details : CVE-2018-14773

An issue was discovered in Http Foundation in Symfony 2.7.0 through 2.7.48, 2.8.0 through 2.8.43, 3.3.0 through 3.3.17, 3.4.0 through 3.4.13, 4.0.0 through 4.0.13, and 4.1.0 through 4.1.2. It arises from support for a (legacy) IIS header that lets users override the path in the request URL via the X-Original-URL or X-Rewrite-URL HTTP request header. These headers are designed for IIS support, but it's not verified that the server is in fact running IIS, which means anybody who can send these requests to an application can trigger this. This affects \Symfony\Component\HttpFoundation\Request::prepareRequestUri() where X-Original-URL and X_REWRITE_URL are both used. The fix drops support for these methods so that they cannot be used as attack vectors such as web cache poisoning.
Publish Date : 2018-08-03 Last Update Date : 2021-09-29
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- CVSS Scores & Vulnerability Types

CVSS Score
4.0
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact None (There is no impact to the availability of the system.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication ???
Gained Access None
Vulnerability Type(s)
CWE ID CWE id is not defined for this vulnerability

- Products Affected By CVE-2018-14773

# Product Type Vendor Product Version Update Edition Language
1 OS Debian Debian Linux 8.0 * * * Version Details Vulnerabilities
2 OS Debian Debian Linux 9.0 * * * Version Details Vulnerabilities
3 Application Drupal Drupal * * * * Version Details Vulnerabilities
4 Application Sensiolabs Symfony * * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Debian Debian Linux 2
Drupal Drupal 1
Sensiolabs Symfony 1

- References For CVE-2018-14773

https://lists.debian.org/debian-lts-announce/2019/03/msg00009.html
MLIST [debian-lts-announce] 20190310 [SECURITY] [DLA 1707-1] symfony security update
https://seclists.org/bugtraq/2019/May/21
BUGTRAQ 20190510 [SECURITY] [DSA 4441-1] symfony security update
http://www.securityfocus.com/bid/104943
BID 104943 Symfony CVE-2018-14773 Security Bypass Vulnerability Release Date:2018-08-02
https://www.debian.org/security/2019/dsa-4441
DEBIAN DSA-4441
http://www.securitytracker.com/id/1041405
SECTRACK 1041405
https://symfony.com/blog/cve-2018-14773-remove-support-for-legacy-and-risky-http-headers CONFIRM
https://github.com/symfony/symfony/commit/e447e8b92148ddb3d1956b96638600ec95e08f6b CONFIRM
https://www.drupal.org/SA-CORE-2018-005 CONFIRM

- Metasploit Modules Related To CVE-2018-14773

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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