Eagle Speed USB Modem Software ZDServ privileges management

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

A vulnerability classified as problematic has been found in Eagle Speed USB Modem Software (version unknown). This affects an unknown function of the component ZDServ. The manipulation with an unknown input leads to a privileges management vulnerability. CWE is classifying the issue as CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was presented 11/28/2016 by Rio Sherri as Eagle Speed USB MODEM SOFTWARE Privilege Escalation as not defined mailinglist post (Full-Disclosure). The advisory is shared at seclists.org. The public release happened without involvement of Eagle Speed. The exploitability is told to be easy. An attack has to be approached locally. The successful exploitation requires a authentication. Technical details are unknown but a public exploit is available. MITRE ATT&CK project uses the attack technique T1068 for this issue. The advisory points out:

When the Eagle Speed software is installed a service with name ZDServ is installed. The service itself has the right permissions which do not allow to reconfigure the binary but the path the binary is writable by any authenticated user.

A public exploit has been developed by Rio Sherri in Python and been published immediately after the advisory. The exploit is shared for download at seclists.org. 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.

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CPE 2.3info

CPE 2.2info

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CVSSv4info

VulDB CVSS-B Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
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CVSSv2info

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Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
ATT&CK: T1068

Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Rio Sherri
Programming Language: 🔍
Download: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
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Timelineinfo

11/28/2016 🔍
11/28/2016 +0 days 🔍
12/02/2016 +4 days 🔍
06/15/2019 +925 days 🔍

Sourcesinfo

Advisory: Eagle Speed USB MODEM SOFTWARE Privilege Escalation
Researcher: Rio Sherri
Status: Not defined
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 12/02/2016 16:20
Updated: 06/15/2019 12:39
Changes: 12/02/2016 16:20 (46), 06/15/2019 12:39 (1)
Complete: 🔍

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