SensioLabs Symfony up to 2.8.5/3.0.5 Password improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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8.2$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in SensioLabs Symfony up to 2.8.5/3.0.5. This issue affects some unknown processing. This manipulation of the argument Password as part of Empty causes improper authentication. This vulnerability is registered as CVE-2016-2403. Remote exploitation of the attack is possible. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in SensioLabs Symfony up to 2.8.5/3.0.5 (Programming Tool Software). It has been declared as critical. Affected by this vulnerability is some unknown functionality. The manipulation of the argument password as part of a Empty leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Symfony before 2.8.6 and 3.x before 3.0.6 allows remote attackers to bypass authentication by logging in with an empty password and valid username, which triggers an unauthenticated bind.

The bug was discovered 02/07/2017. The weakness was published 02/07/2017 by Matt (Website). It is possible to read the advisory at symfony.com. This vulnerability is known as CVE-2016-2403 since 02/18/2016. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 111535 (Debian DSA-4262-1 : symfony - security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176446 (Debian Security Update for symfony (DSA 4262-1)).

Upgrading to version 2.8.6 or 3.0.6 eliminates this vulnerability. A possible mitigation has been published 2 years after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (111535) and SecurityFocus (BID 96137†). Similar entries are available at VDB-111332, VDB-119502, VDB-119503 and VDB-119504. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 111535
Nessus Name: Debian DSA-4262-1 : symfony - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Symfony 2.8.6/3.0.6

Timelineinfo

02/18/2016 🔍
02/07/2017 +355 days 🔍
02/07/2017 +0 days 🔍
02/07/2017 +0 days 🔍
02/07/2017 +0 days 🔍
02/07/2017 +0 days 🔍
08/03/2018 +542 days 🔍
08/06/2018 +3 days 🔍
02/19/2020 +562 days 🔍

Sourcesinfo

Advisory: symfony.com
Researcher: Matt
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-2403 (🔍)
GCVE (CVE): GCVE-0-2016-2403
GCVE (VulDB): GCVE-100-96595

OVAL: 🔍

SecurityFocus: 96137 - Symfony CVE-2016-2403 Authentication Bypass Vulnerability

See also: 🔍

Entryinfo

Created: 02/07/2017 22:13
Updated: 02/19/2020 14:40
Changes: 02/07/2017 22:13 (77), 02/19/2020 14:40 (7)
Complete: 🔍
Cache ID: 216:FC7:103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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