CVE-2018-9518 Memory corruption in Android
A missing bounds check in the Android kernel NFC driver allows local attackers with system privileges to escalate privileges via out-of-bounds write.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2018-9518?
CVE-2018-9518 is a high-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 7 Dec 2018. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In nfc_llcp_build_sdreq_tlv of llcp_commands.c, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Product: Android. Versions: Android kernel. Android ID: A-73083945.
Weakness: CWE-787
Which versions are affected by CVE-2018-9518?
It affects 2 products.
Products include Canonical Ubuntu Linux, Google Android.
How do I fix CVE-2018-9518?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2018-9518 being exploited?
There is no known exploitation of CVE-2018-9518 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2018-9518, GHSA-37mc-f722-26x4, UBUNTU-CVE-2018-9518.