Activestate ActiveTcl 8.5.12 Installation wlbsctrl.dll untrusted search path

Summaryinfo

A vulnerability, which was classified as problematic, was found in Activestate ActiveTcl 8.5.12. This affects an unknown part in the library wlbsctrl.dll of the component Installation. Executing a manipulation can lead to untrusted search path. This vulnerability is registered as CVE-2012-5378. Furthermore, an exploit is available.

Detailsinfo

A vulnerability has been found in Activestate ActiveTcl 8.5.12 and classified as critical. This vulnerability affects some unknown functionality in the library wlbsctrl.dll of the component Installation. The manipulation with an unknown input leads to a untrusted search path vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Untrusted search path vulnerability in the installation functionality in ActiveTcl 8.5.12, when installed in the top-level C:\ directory, allows local users to gain privileges via a Trojan horse DLL in the C:\TD\bin directory, which is added to the PATH system environment variable, 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.

The weakness was published 10/11/2012 (Website). The advisory is shared for download at htbridge.com. This vulnerability was named CVE-2012-5378 since 10/11/2012. The exploitation appears to be difficult. The attack needs to be approached locally. A single authentication is required for exploitation. Technical details and also a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1574.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept.

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 (86179†). Similar entries are available at VDB-62685, VDB-62684, VDB-62683 and VDB-62682. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

• Activestate

Name

• ActiveTcl

Version

• 8.5.12

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

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Entryinfo

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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