CVE-2017-12377 Memory corruption in ClamAV AntiVirus software versions 0.99.2 and prior
Remote attackers can trigger a heap-based buffer over-read in ClamAV via malicious files, causing denial of service or arbitrary code execution.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-12377?
CVE-2017-12377 is a critical memory corruption vulnerability in Clamav Clamav, published on 26 Jan 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
ClamAV AntiVirus software versions 0.99.2 and prior contain a vulnerability that could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition or potentially execute arbitrary code on an affected device. The vulnerability is due to improper input validation checking mechanisms in mew packet files sent to an affected device. A successful exploit could cause a heap-based buffer over-read condition in mew.c when ClamAV scans the malicious file, allowing the attacker to cause a DoS condition or potentially execute arbitrary code on the affected device.
Weakness: CWE-125
Which versions are affected by CVE-2017-12377?
It affects 2 products.
Products include Clamav Clamav, Debian Debian Linux.
How do I fix CVE-2017-12377?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2017-12377 being exploited?
There is no known exploitation of CVE-2017-12377 in the wild and no public exploit code.
Other vulnerabilities in Clamav Clamav
Sources
Also known as ALPINE-CVE-2017-12377, CLEANSTART-2026-UG95369, DEBIAN-CVE-2017-12377, GHSA-7jpj-m78q-vr62, UBUNTU-CVE-2017-12377.