CVE-2019-15540 Memory corruption in n/a
A heap-based buffer overflow in the CSO filter of CDemu allows local attackers to gain root privileges on Linux systems.
- 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-2019-15540?
CVE-2019-15540 is a high-severity memory corruption vulnerability in n/a, published on 25 Aug 2019. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
filters/filter-cso/filter-stream.c in the CSO filter in libMirage 3.2.2 in CDemu does not validate the part size, triggering a heap-based buffer overflow that can lead to root access by a local Linux user.
Weakness: CWE-787
Which versions are affected by CVE-2019-15540?
It affects 1 product.
Linux distribution packages (4)
libmirage SUSE:Package Hub 15 | All versions | 3.2.2-bp151.4.3.1 |
libmirage SUSE:Package Hub 15 SP1 | All versions | 3.2.2-bp151.4.3.1 |
libmirage openSUSE:Leap 15.0 | All versions | 3.2.2-lp150.2.3.1 |
libmirage openSUSE:Leap 15.1 | All versions | 3.2.2-lp151.3.3.1 |
Products include Cdemu Libmirage.
How do I fix CVE-2019-15540?
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-2019-15540 being exploited?
There is no known exploitation of CVE-2019-15540 in the wild and no public exploit code.
Sources
Also known as GHSA-qfrc-63x9-x275, openSUSE-SU-2019:2033-1, openSUSE-SU-2019:2040-1, openSUSE-SU-2019:2077-1.