Ubisoft Uplay 5.0 privileges management

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.4$0-$5k0.00

A vulnerability was found in Ubisoft Uplay 5.0. It has been classified as problematic. Affected is an unknown code. The manipulation with an unknown input leads to a privilege escalation vulnerability. CWE is classifying the issue as CWE-269. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was shared 02/25/2015 by Gjoko Krstic (LiquidWorm) as ZSL-2015-5230 as confirmed advisory (Website). The advisory is available at zeroscience.mk. The exploitability is told to be easy. Local access is required to approach this attack. The exploitation doesn't require any form of authentication. Technical details are unknown but a public exploit is available. The advisory points out:

Uplay for PC suffers from an elevation of privileges vulnerability which can be used by a simple user that can change the executable file with a binary of choice. The vulnerability exist due to the improper permissions, with the 'F' flag (Full) for 'Users' group, making the entire directory 'Ubisoft Game Launcher' and its files and sub-dirs world-writable.

A public exploit has been developed by LiquidWorm and been published 1 days after the advisory. It is declared as proof-of-concept. The exploit is shared for download at exploit-db.com.

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 X-Force (101198) and Exploit-DB (36189). Further details are available at packetstormsecurity.com.

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VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.9
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2infoedit

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Exploitinginfoedit

Class: Privilege escalation
CWE: CWE-269
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: LiquidWorm
Download: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfoedit

Interest: 🔍
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Countermeasuresinfoedit

Recommended: no mitigation known
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Timelineinfoedit

02/25/2015 🔍
02/26/2015 +1 days 🔍
02/26/2015 +0 days 🔍
02/26/2015 +0 days 🔍
07/15/2017 +870 days 🔍

Sourcesinfoedit

Advisory: ZSL-2015-5230
Researcher: Gjoko Krstic (LiquidWorm)
Status: Confirmed
X-Force: 101198 - Ubisoft Uplay privilege escalation
OSVDB: 118804

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

Entryinfoedit

Created: 02/26/2015 02:11 PM
Updated: 07/15/2017 08:35 AM
Changes: (8) exploit_availability exploit_date exploit_publicity exploit_url exploit_developer_name source_osvdb source_exploitdb source_exploitdb_date
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