CVE-2017-6957 Memory corruption in n/a
Remote attackers can execute arbitrary code on Broadcom Wi-Fi chips via crafted frames if CCKM roaming is enabled.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2017-6957?
CVE-2017-6957 is a high-severity memory corruption vulnerability in n/a, published on 27 Mar 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Stack-based buffer overflow in the firmware in Broadcom Wi-Fi HardMAC SoC chips, when the firmware supports CCKM Fast and Secure Roaming and the feature is enabled in RAM, allows remote attackers to execute arbitrary code via a crafted reassociation response frame with a Cisco IE (156).
Weakness: CWE-119
Which versions are affected by CVE-2017-6957?
It affects 1 product.
Products include Broadcom Bcm4339 Soc Firmware.
How do I fix CVE-2017-6957?
No fix has been published for CVE-2017-6957 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-2017-6957 being exploited?
There is no known exploitation of CVE-2017-6957 in the wild and no public exploit code.
Sources
Also known as GHSA-4x5g-qmwf-pjhp.