Zend Framework up to 2.3.2 ldap_bind NULL Byte improper authentication
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
4.6 | $0-$5k | 0.00 |
A vulnerability was found in Zend Framework (Programming Tool Software). It has been declared as critical. Affected by this vulnerability is the function ldap_bind
. The manipulation as part of a NULL Byte 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 integrity. The summary by CVE is:
The (1) Zend_Ldap class in Zend before 1.12.9 and (2) Zend\Ldap component in Zend 2.x before 2.2.8 and 2.3.x before 2.3.3 allows remote attackers to bypass authentication via a password starting with a null byte, which triggers an unauthenticated bind.
The weakness was presented 10/10/2014 by Matthew Daley as ZF2014-05 as confirmed advisory (Website). The advisory is shared at framework.zend.com. This vulnerability is known as CVE-2014-8088 since 10/10/2014. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available.
The vulnerability scanner Nessus provides a plugin with the ID 78786 (Fedora 21 : php-ZendFramework-1.12.9-1.fc21 (2014-12341)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 350242 (Amazon Linux Security Advisory for php-ZendFramework: ALAS-2014-460).
Upgrading to version 1.12.9, 2.2.8 or 2.3.3 eliminates this vulnerability. The vulnerability will be addressed with the following lines of code:
$password = str_replace("\0", '', $password);
The vulnerability is also documented in the databases at X-Force (97038) and Tenable (78786). Additional details are provided at seclists.org. See 67994, 71567, 73309 and 72979 for similar entries.
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.3VulDB Meta Temp Score: 4.6
VulDB Base Score: 5.3
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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NVD Base Score: 🔍
Exploiting
Class: Improper authenticationCWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Unproven
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Nessus ID: 78786
Nessus Name: Fedora 21 : php-ZendFramework-1.12.9-1.fc21 (2014-12341)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍
OpenVAS ID: 867262
OpenVAS Name: Fedora Update for php-ZendFramework2 FEDORA-2014-13302
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Framework 1.12.9/2.2.8/2.3.3
Timeline
10/10/2014 🔍10/10/2014 🔍
10/10/2014 🔍
10/10/2014 🔍
10/16/2014 🔍
10/22/2014 🔍
10/27/2014 🔍
11/03/2014 🔍
02/23/2022 🔍
Sources
Advisory: ZF2014-05Researcher: Matthew Daley
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2014-8088 (🔍)
OVAL: 🔍
X-Force: 97038 - Zend Framework ldap_bind() security bypass, Medium Risk
Vulnerability Center: 46786 - Zend Framework Remote Security Bypass via a Password Starting with a Null Byte, Medium
SecurityFocus: 70378 - Zend Framework CVE-2014-8088 Authentication Bypass Vulnerability
Misc.: 🔍
See also: 🔍
Entry
Created: 10/16/2014 11:06Updated: 02/23/2022 09:40
Changes: 10/16/2014 11:06 (82), 06/10/2017 09:32 (2), 02/23/2022 09:40 (3)
Complete: 🔍
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