McDonalds Self-Service Machine Burger Hamburglar privileges management

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.6$0-$5k0.00

Summaryinfo

A vulnerability has been found in McDonalds Self-Service Machine and classified as critical. Impacted is an unknown function of the component Burger Handler. This manipulation causes privileges management (Hamburglar). The attack is restricted to local execution. Moreover, an exploit is present. This vulnerability is historically significant due to its background and the way it was received.

Detailsinfo

A vulnerability was found in McDonalds Self-Service Machine (the affected version unknown). It has been declared as critical. Affected by this vulnerability is an unknown part of the component Burger Handler. The manipulation with an unknown input leads to a privileges management vulnerability (Hamburglar). The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was disclosed 04/08/2019 by Hamburglar Bourne as Free Food from Maccas as confirmed video (Youtube). The advisory is shared at youtu.be. The public release happened without involvement of McDonalds. An attack has to be approached locally. The exploitation doesn't need any form of authentication. Technical details are unknown but a public exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 06/08/2020). MITRE ATT&CK project uses the attack technique T1068 for this issue. Due to its background and reception, this vulnerability has a historic impact.

A public exploit has been developed by Hamburglar Bourne and been published immediately after the advisory. It is possible to download the exploit at youtu.be. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $5k-$25k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Additional details are provided at mashable.com. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

Video

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CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.6

VulDB Base Score: 5.9
VulDB Temp Score: 5.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Name: Hamburglar
Class: Privileges management / Hamburglar
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

04/08/2019 🔍
04/08/2019 +0 days 🔍
05/10/2019 +32 days 🔍
06/08/2020 +395 days 🔍

Sourcesinfo

Advisory: Free Food from Maccas
Researcher: Hamburglar Bourne
Status: Confirmed

GCVE (VulDB): GCVE-100-134557
scip Labs: https://www.scip.ch/en/?labs.20161013
Misc.: 🔍

Entryinfo

Created: 05/10/2019 11:39
Updated: 06/08/2020 17:24
Changes: 05/10/2019 11:39 (48), 06/08/2020 17:24 (1)
Complete: 🔍
Cache ID: 216::103

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