Alcatel EE EE40VB 4G up to EE40_00_02. OSPREY3_MINI Modem ServiceManager.exe access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

A vulnerability was found in Alcatel EE EE40VB 4G up to EE40_00_02.. It has been declared as problematic. This vulnerability affects an unknown functionality of the file ServiceManager.exe of the component OSPREY3_MINI Modem. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

The installer for the Alcatel OSPREY3_MINI Modem component on EE EE40VB 4G mobile broadband modems with firmware before EE40_00_02.00_45 sets weak permissions (Everyone:Full Control) for the "Web Connecton\EE40" and "Web Connecton\EE40\BackgroundService" directories, which allows local users to gain privileges, as demonstrated by inserting a Trojan horse ServiceManager.exe file into the "Web Connecton\EE40\BackgroundService" directory.

The bug was discovered 09/25/2018. The weakness was presented 09/26/2018 (Website). The advisory is shared for download at blog.zerodaylab.com. This vulnerability was named CVE-2018-14327 since 07/16/2018. The attack needs to be approached locally. The successful exploitation needs a single authentication. Technical details and also a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1068.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version EE40_00_02.00_45 eliminates this vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (45501) and SecurityFocus (BID 105385†).

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.3

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

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: EE EE40VB 4G EE40_00_02.00_45

Timelineinfo

07/16/2018 🔍
09/17/2018 +63 days 🔍
09/25/2018 +8 days 🔍
09/26/2018 +0 days 🔍
09/26/2018 +0 days 🔍
09/27/2018 +1 days 🔍
05/19/2023 +1695 days 🔍

Sourcesinfo

Advisory: 149492
Status: Not defined

CVE: CVE-2018-14327 (🔍)
SecurityFocus: 105385 - EE 4GEE WiFi Mini CVE-2018-14327 Local Privilege Escalation Vulnerability

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 09/27/2018 08:46
Updated: 05/19/2023 08:23
Changes: 09/27/2018 08:46 (63), 03/27/2020 15:02 (6), 05/19/2023 08:23 (4)
Complete: 🔍
Cache ID: 3:F24:103

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