Dell Precision Optimizer 3.5.5.0 DLL poaService.exe PATH untrusted search path

Summaryinfo

A vulnerability classified as critical was found in Dell Precision Optimizer 3.5.5.0. Affected by this vulnerability is an unknown functionality of the file poaService.exe of the component DLL Handler. Executing a manipulation of the argument PATH as part of Environment Variable can lead to untrusted search path. This vulnerability is registered as CVE-2017-2802. The attack needs to be launched locally. No exploit is available.

Detailsinfo

A vulnerability has been found in Dell Precision Optimizer 3.5.5.0 and classified as critical. This vulnerability affects an unknown function of the file poaService.exe of the component DLL Handler. The manipulation of the argument PATH as part of a Environment Variable 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:

An exploitable dll hijacking vulnerability exists in the poaService.exe service component of the Dell Precision Optimizer software version 3.5.5.0. A specifically named malicious dll file located in one of directories pointed to by the PATH environment variable will lead to privilege escalation. An attacker with local access to vulnerable system can exploit this vulnerability.

The bug was discovered 06/30/2017. The weakness was published 04/24/2018 by Cisco with Cisco Talos (Website). The advisory is shared for download at securityfocus.com. This vulnerability was named CVE-2017-2802 since 12/01/2016. The attack needs to be approached locally. The successful exploitation requires a single authentication. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 01/31/2020). 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 298 days. During that time the estimated underground price was around $5k-$25k.

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 99360†). Similar entries are available at VDB-117003 and VDB-117004. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

• Dell

Name

• Precision Optimizer

Version

• 3.5.5.0

License

• commercial

Website

• Vendor: https://www.dell.com/

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

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

Discussion