Cisco Advanced Malware Protection on Windows DLL Loader uncontrolled search path

Summaryinfo

A vulnerability was found in Cisco Advanced Malware Protection on Windows and classified as critical. The impacted element is an unknown function of the component DLL Loader. Executing a manipulation can lead to uncontrolled search path. This vulnerability is registered as CVE-2018-15452. The attack needs to be launched locally. No exploit is available.

Detailsinfo

A vulnerability has been found in Cisco Advanced Malware Protection on Windows (Anti-Malware Software) (the affected version is unknown) and classified as critical. This vulnerability affects an unknown code of the component DLL Loader. The manipulation with an unknown input leads to a uncontrolled search path vulnerability. The CWE definition for the vulnerability is CWE-427. The product uses a fixed or controlled search path to find resources, but one or more locations in that path can be under the control of unintended actors. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

A vulnerability in the DLL loading component of Cisco Advanced Malware Protection (AMP) for Endpoints on Windows could allow an authenticated, local attacker to disable system scanning services or take other actions to prevent detection of unauthorized intrusions. To exploit this vulnerability, the attacker would need to have administrative credentials on the Windows system. The vulnerability is due to the improper validation of resources loaded by a system process at run time. An attacker could exploit this vulnerability by crafting a malicious DLL file and placing it in a specific location on the targeted system. A successful exploit could allow the attacker to disable the targeted system's scanning services and ultimately prevent the system from being protected from further intrusion. There are no workarounds that address this vulnerability.

The bug was discovered 10/29/2018. The weakness was published 11/13/2018 with Cisco as cisco-sa-20181029-amp-dll as confirmed advisory (Website). The advisory is shared for download at tools.cisco.com. This vulnerability was named CVE-2018-15452 since 08/17/2018. The attack needs to be approached locally. A single authentication is needed for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 06/06/2023). The MITRE ATT&CK project declares the attack technique as T1574.

The vulnerability was handled as a non-public zero-day exploit for at least 15 days. During that time the estimated underground price was around $0-$5k.

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 vulnerability database at SecurityFocus (BID 105759†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• Anti-Malware Software

Vendor

• Cisco

Name

• Advanced Malware Protection

License

• commercial

Website

• Vendor: https://www.cisco.com/

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

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