CVE-2020-11102 Memory corruption in n/a
A buffer overflow in QEMU's Tulip network emulation allows attackers to execute arbitrary code or cause a denial of service via crafted network packets.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-11102?
CVE-2020-11102 is a medium-severity memory corruption vulnerability in Qemu Qemu, published on 6 Apr 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
hw/net/tulip.c in QEMU 4.2.0 has a buffer overflow during the copying of tx/rx buffers because the frame size is not validated against the r/w data length.
Weakness: CWE-787
Which versions are affected by CVE-2020-11102?
It affects 1 product.
Products include Qemu Qemu.
How do I fix CVE-2020-11102?
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-2020-11102 being exploited?
There is no known exploitation of CVE-2020-11102 in the wild and no public exploit code.
Other vulnerabilities in Qemu Qemu
Sources
Also known as DEBIAN-CVE-2020-11102, GHSA-c632-pw4c-82pg.