CVE-2019-9729 Integer overflow in n/a
A local attacker can exploit an integer signedness error in the SdoKeyCrypt.sys driver to achieve privilege escalation to SYSTEM.
- 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-2019-9729?
CVE-2019-9729 is a high-severity vulnerability in n/a, published on 12 Mar 2019. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In Shanda MapleStory Online V160, the SdoKeyCrypt.sys driver allows privilege escalation to NT AUTHORITY\SYSTEM because of not validating the IOCtl 0x8000c01c input value, leading to an integer signedness error and a heap-based buffer underflow.
Which versions are affected by CVE-2019-9729?
It affects 1 product.
Products include Shanda Maplestory Online.
How do I fix CVE-2019-9729?
No fix has been published for CVE-2019-9729 yet. Limit exposure of the affected software until one is available.
Is CVE-2019-9729 being exploited?
There is no known exploitation of CVE-2019-9729 in the wild and no public exploit code.
Public exploit code: 2 proofs of concept on GitHub.
Sources
Also known as GHSA-2cjm-39g8-5fv8.