CVE-2017-9647

low-risk

Published 2017-08-07

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.

Do I need to act?

0.10% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 6.6/10 Medium

PHYSICAL / LOW complexity

Affected Products (1)

S-Gold 2 Pmb 8876

Affected Vendors

Infineon

References (4)

Third Party Advisory http://www.securityfocus.com/bid/100132

Third Party Advisory https://ics-cert.us-cert.gov/advisories/ICSA-17-208-01

Third Party Advisory http://www.securityfocus.com/bid/100132

Third Party Advisory https://ics-cert.us-cert.gov/advisories/ICSA-17-208-01

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low-risk

Severity 21/34 · High

Exploitability 0/34 · Minimal

Exposure 5/34 · Minimal