CVE-2017-14885 Memory corruption in n/a

High 7.8 Published Updated

A buffer overflow in the Android Linux kernel allows attackers to execute arbitrary code or escalate privileges via crafted firmware messages.

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-2017-14885?

CVE-2017-14885 is a high-severity memory corruption vulnerability in Google Android, published on 15 Mar 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In Android for MSM, Firefox OS for MSM, QRD Android, with all Android releases from CAF using the Linux kernel, wma_unified_link_peer_stats_event_handler function has a variable num_rates which represents the sum of all the peer_stats->num_rates. The current behavior in this function is to validate only the num_rates of the first peer stats (peer_stats->num_rates) against WMA_SVC_MSG_MAX_SIZE, but not the sum of all the peer's num_rates (num_rates) which may lead to a buffer overflow when the firmware buffer is copied in to the allocated buffer (peer_stats) as the size for the memory allocation - link_stats_results_size is based on num_rates.

Weakness: CWE-119

Which versions are affected by CVE-2017-14885?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2017-14885?

No fix has been published for CVE-2017-14885 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-2017-14885 being exploited?

There is no known exploitation of CVE-2017-14885 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as GHSA-5jqr-5cwh-mmhw.

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