CVE-2018-18912 Memory corruption in n/a

Critical 9.8 Published 13 May 2019 Updated 5 Aug 2024

Remote attackers can execute arbitrary code via a stack-based buffer overflow in Easy File Sharing Web Server when creating a forum topic.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2018-18912?

CVE-2018-18912 is a critical memory corruption vulnerability in n/a, published on 13 May 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue was discovered in Easy File Sharing (EFS) Web Server 7.2. A stack-based buffer overflow vulnerability occurs when a malicious POST request has been made to forum.ghp upon creating a new topic in the forums, which allows remote attackers to execute arbitrary code.

Weakness: CWE-787

Which versions are affected by CVE-2018-18912?

It affects 1 product.

Products include Sharing-File Easy File Sharing Web Server.

How do I fix CVE-2018-18912?

No fix has been published for CVE-2018-18912 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-2018-18912 being exploited?

There is no known exploitation of CVE-2018-18912 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

Sources

Also known as GHSA-f6g9-9jp6-89jc.