CVE-2018-3971 Memory corruption in Sophos
An attacker can trigger memory corruption in the HitmanPro.Alert driver via a crafted IRP request, potentially leading to arbitrary code execution and privilege escalation.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-3971?
CVE-2018-3971 is a critical memory corruption vulnerability in Talos Sophos, published on 25 Oct 2018. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An exploitable arbitrary write vulnerability exists in the 0x2222CC IOCTL handler functionality of Sophos HitmanPro.Alert 3.7.6.744. A specially crafted IRP request can cause the driver to write data under controlled by an attacker address, resulting in memory corruption. An attacker can send IRP request to trigger this vulnerability.
Weakness: CWE-123
Which versions are affected by CVE-2018-3971?
It affects 1 product.
Products include Sophos Hitmanpro.alert.
How do I fix CVE-2018-3971?
No fix has been published for CVE-2018-3971 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2018-3971 being exploited?
There is no known exploitation of CVE-2018-3971 in the wild and no public exploit code.
Other vulnerabilities in Talos Sophos
Sources
Also known as GHSA-6hfq-h92h-wjrw.