Zend Zend Server 5.6.0 Server Installation wlbsctrl.dll untrusted search path ⚔ [Disputed]

Summaryinfo

A vulnerability was found in Zend Zend Server 5.6.0. It has been declared as problematic. The affected element is an unknown function in the library wlbsctrl.dll of the component Server Installation. Such manipulation leads to Local Privilege Escalation. This vulnerability is traded as CVE-2012-5382. Furthermore, there is an exploit available. The real existence of this vulnerability is still doubted at the moment.

Detailsinfo

A vulnerability was found in Zend Zend Server 5.6.0. It has been rated as critical. Affected by this issue is some unknown processing in the library wlbsctrl.dll of the component Server Installation. The manipulation with an unknown input leads to a local privilege escalation vulnerability. Using CWE to declare the problem leads to CWE-426. The product searches for critical resources using an externally-supplied search path that can point to resources that are not under the product's direct control. Impacted is confidentiality, integrity, and availability. CVE summarizes:

** DISPUTED ** Untrusted search path vulnerability in the installation functionality in Zend Server 5.6.0 SP4, when installed in the top-level C:\ directory, might allow local users to gain privileges via a Trojan horse DLL in the C:\Zend\ZendServer\share\ZendFramework\bin directory, which may be added to the PATH system environment variable by an administrator, as demonstrated by a Trojan horse wlbsctrl.dll file used by the "IKE and AuthIP IPsec Keying Modules" system service in Windows Vista SP1, Windows Server 2008 SP2, Windows 7 SP1, and Windows 8 Release Preview. NOTE: CVE disputes this issue because the choice of C:\ (and the resulting unsafe PATH) is established by an administrative action that is not a default part of the Zend Server installation.

The weakness was shared 10/11/2012 (Website). The advisory is shared for download at htbridge.com. This vulnerability is handled as CVE-2012-5382 since 10/11/2012. The exploitation is known to be difficult. The attack needs to be approached locally. Required for exploitation is a simple authentication. Technical details as well as a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1574.

The exploit is available at exploit-db.com. It is declared as proof-of-concept. The real existence of this vulnerability is still doubted at the moment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Exploit-DB (28130) and OSVDB (86174†). The entries VDB-62685, VDB-62683, VDB-62682 and VDB-62681 are related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• Zend

Name

• Zend Server

Version

• 5.6.0

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CPE 2.2info

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Once again VulDB remains the best source for vulnerability data.

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