CVE-2020-25085 Memory corruption in n/a
A heap-based buffer overflow in QEMU's SDHCI emulation allows attackers to execute arbitrary code or cause a denial of service.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-25085?
CVE-2020-25085 is a medium-severity memory corruption vulnerability in Debian Debian Linux, published on 25 Sep 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
QEMU 5.0.0 has a heap-based Buffer Overflow in flatview_read_continue in exec.c because hw/sd/sdhci.c mishandles a write operation in the SDHC_BLKSIZE case.
Weakness: CWE-787
Which versions are affected by CVE-2020-25085?
It affects 2 products.
Products include Debian Debian Linux, Qemu Qemu.
How do I fix CVE-2020-25085?
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-2020-25085 being exploited?
There is no known exploitation of CVE-2020-25085 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2020-25085, GHSA-hr23-r85w-j998, UBUNTU-CVE-2020-25085.