CVE-2016-9797 Denial of service in n/a
A buffer over-read in BlueZ's l2cap_dump function allows attackers to crash the hcidump tool by providing a corrupted dump file.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-9797?
CVE-2016-9797 is a medium-severity denial of service vulnerability in n/a, published on 3 Dec 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In BlueZ 5.42, a buffer over-read was observed in "l2cap_dump" function in "tools/parser/l2cap.c" source file. This issue can be triggered by processing a corrupted dump file and will result in hcidump crash.
Which versions are affected by CVE-2016-9797?
It affects 1 product.
Products include Bluez Bluez.
How do I fix CVE-2016-9797?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2016-9797 being exploited?
There is no known exploitation of CVE-2016-9797 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2016-9797, GHSA-vx7p-gj48-62cq, ROOT-OS-DEBIAN-12-CVE-2016-9797, UBUNTU-CVE-2016-9797.