Blaupunkt Smart GSM Alarm SA 2500 Kit authentication replay

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 (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
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.
5.7$0-$5k0.00

Summaryinfo

A vulnerability has been found in Blaupunkt Smart GSM Alarm SA 2500 Kit and classified as problematic. This impacts an unknown function. This manipulation causes authentication replay. No exploit exists.

Detailsinfo

A vulnerability classified as problematic was found in Blaupunkt Smart GSM Alarm SA 2500 Kit (the affected version unknown). Affected by this vulnerability is an unknown part. The manipulation with an unknown input leads to a authentication replay vulnerability. The CWE definition for the vulnerability is CWE-294. A capture-replay flaw exists when the design of the product makes it possible for a malicious user to sniff network traffic and bypass authentication by replaying it to the server in question to the same effect as the original message (or with minor changes). As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was disclosed 11/24/2016 by Matthias Deeg as [SYSS-2016-071] Blaupunkt Smart GSM Alarm SA 2500 Kit - Missing Protection against Replay Attacks as not defined mailinglist post (Bugtraq). The advisory is shared at seclists.org. An attack has to be approached locally. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1040 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 133 days. During that time the estimated underground price was around $0-$5k.

The mailinglist post contains the following remark:

2016-07-15: Manufacturer closed the ticket without any further notification or solution regarding the reported security vulnerability

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.7

VulDB Base Score: 5.9
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Authentication replay
CWE: CWE-294 / CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined
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: 🔍

Timelineinfo

07/14/2016 🔍
07/14/2016 +0 days 🔍
11/24/2016 +133 days 🔍
11/25/2016 +1 days 🔍
06/10/2019 +927 days 🔍

Sourcesinfo

Advisory: [SYSS-2016-071] Blaupunkt Smart GSM Alarm SA 2500 Kit - Missing Protection against Replay Attacks
Researcher: Matthias Deeg
Status: Not defined

GCVE (VulDB): GCVE-100-93817

Entryinfo

Created: 11/25/2016 12:29
Updated: 06/10/2019 17:13
Changes: 11/25/2016 12:29 (40), 06/10/2019 17:13 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

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