CVE-2017-9647 Memory corruption in Continental AG Infineon S-Gold 2 (PMB 8876)

Medium 6.6 Published Updated

An attacker with physical access to the TCU can exploit a stack-based buffer overflow in AT command processing to execute arbitrary code on the baseband radio processor.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2017-9647?

CVE-2017-9647 is a medium-severity memory corruption vulnerability in Continental AG Infineon S-Gold 2 (PMB 8876), published on 7 Aug 2017. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

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.

Weakness: CWE-119, CWE-121

Which versions are affected by CVE-2017-9647?

It affects 1 product.

Products include Infineon S-Gold 2 Pmb 8876.

How do I fix CVE-2017-9647?

No fix has been published for CVE-2017-9647 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2017-9647 being exploited?

There is no known exploitation of CVE-2017-9647 in the wild and no public exploit code.

Sources

Also known as GHSA-rc55-898m-34hx.

Is CVE-2017-9647 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free