VDB-104920 · CVE-2017-9647 · BID 100132

Continental Infineon S-Gold 2 on BMW/Ford/Infinity/Leaf TCU memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Continental Infineon S-Gold 2 on BMW/Ford/Infinity/Leaf and classified as critical. This affects an unknown part of the component TCU. Executing a manipulation can lead to memory corruption. This vulnerability is registered as CVE-2017-9647. The physical device can be targeted for the attack. No exploit is available.

Detailsinfo

A vulnerability was found in Continental Infineon S-Gold 2 on BMW/Ford/Infinity/Leaf (the affected version is unknown). It has been declared as critical. This vulnerability affects an unknown code of the component TCU. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

A Stack-Based Buffer Overflow issue was discovered in the Continental AG Infineon S-Gold 2 (PMB 8876) chipset on BMW several models produced between 2009-2010, Ford a limited number of P-HEV vehicles, Infiniti 2013 JX35, Infiniti 2014-2016 QX60, Infiniti 2014-2016 QX60 Hybrid, Infiniti 2014-2015 QX50, Infiniti 2014-2015 QX50 Hybrid, Infiniti 2013 M37/M56, Infiniti 2014-2016 Q70, Infiniti 2014-2016 Q70L, Infiniti 2015-2016 Q70 Hybrid, Infiniti 2013 QX56, Infiniti 2014-2016 QX 80, and Nissan 2011-2015 Leaf. An attacker with a physical connection to the TCU may exploit a buffer overflow condition that exists in the processing of AT commands. This may allow arbitrary code execution on the baseband radio processor of the TCU.

The bug was discovered 07/27/2017. The weakness was published 08/07/2017 (Website). The advisory is shared for download at securityfocus.com. This vulnerability was named CVE-2017-9647 since 06/14/2017. The attack needs to be approached locally. A single authentication is needed for exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 11 days. During that time the estimated underground price was around $0-$5k.

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 vulnerability database at SecurityFocus (BID 100132†). Similar entry is available at VDB-104919. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 4.1
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.6
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Yes
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

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: 🔍

Timelineinfo

06/14/2017 🔍
07/27/2017 +43 days 🔍
08/04/2017 +7 days 🔍
08/07/2017 +3 days 🔍
08/07/2017 +0 days 🔍
08/07/2017 +0 days 🔍
01/07/2021 +1249 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Researcher: Mickey Shkatov, Jesse Michael, Oleksandr Bazhaniuk
Status: Not defined

CVE: CVE-2017-9647 (🔍)
GCVE (CVE): GCVE-0-2017-9647
GCVE (VulDB): GCVE-100-104920
SecurityFocus: 100132

See also: 🔍

Entryinfo

Created: 08/07/2017 16:47
Updated: 01/07/2021 14:21
Changes: 08/07/2017 16:47 (53), 11/04/2019 10:53 (7), 01/07/2021 14:21 (4)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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