VDB-119506 · CVE-2018-11408 · BID 104943

SensioLabs Symfony up to 2.7.47/2.8.40/3.3.16/3.4.10/4.0.10 Security redirect

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability has been found in SensioLabs Symfony up to 2.7.47/2.8.40/3.3.16/3.4.10/4.0.10 (Programming Tool Software) and classified as critical. This vulnerability affects some unknown functionality of the component Security Handler. The manipulation with an unknown input leads to a redirect vulnerability. The CWE definition for the vulnerability is CWE-601. A web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a Redirect. This simplifies phishing attacks. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

The security handlers in the Security component in Symfony in 2.7.x before 2.7.48, 2.8.x before 2.8.41, 3.3.x before 3.3.17, 3.4.x before 3.4.11, and 4.0.x before 4.0.11 have an Open redirect vulnerability when security.http_utils is inlined by a container. NOTE: this issue exists because of an incomplete fix for CVE-2017-16652.

The bug was discovered 05/25/2018. The weakness was released 06/13/2018 (Website). The advisory is available at lists.fedoraproject.org. This vulnerability was named CVE-2018-11408 since 05/24/2018. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1204.001 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 12 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 120881 (Fedora 28 : php-symfony (2018-eba0006df2)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 277686 (Fedora Security Update for php-symfony3 (FEDORA-2018-c8ddc44bbb)).

Upgrading to version 2.7.48, 2.8.41, 3.3.17, 3.4.11 or 4.0.11 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (120881). Entries connected to this vulnerability are available at 119505, 119487, 119502 and 119503.







CPE 2.3info

CPE 2.2info


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VulDB Meta Base Score: 6.6
VulDB Meta Temp Score: 6.5

VulDB Base Score: 7.1
VulDB Temp Score: 6.8
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NVD Base Score: 6.1
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Class: Redirect
CWE: CWE-601
ATT&CK: T1204.001

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Nessus ID: 120881
Nessus Name: Fedora 28 : php-symfony (2018-eba0006df2)
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Threat Intelligenceinfo

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Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Symfony 2.7.48/2.8.41/3.3.17/3.4.11/4.0.11


05/24/2018 🔍
05/25/2018 +1 days 🔍
06/06/2018 +12 days 🔍
06/13/2018 +6 days 🔍
06/13/2018 +0 days 🔍
06/14/2018 +1 days 🔍
08/02/2018 +49 days 🔍
01/03/2019 +154 days 🔍
03/27/2023 +1544 days 🔍


Advisory: FEDORA-2018-eba0006df2
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-11408 (🔍)
SecurityFocus: 104943 - Symfony CVE-2018-14773 Security Bypass Vulnerability

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Created: 06/14/2018 09:16 AM
Updated: 03/27/2023 09:58 AM
Changes: 06/14/2018 09:16 AM (72), 02/19/2020 03:19 PM (8), 03/27/2023 09:53 AM (4), 03/27/2023 09:58 AM (1)
Complete: 🔍


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