CVE-2020-13768 Memory corruption in n/a

Critical 9.8 Published 4 Jun 2020 Updated 4 Aug 2024

A stack-based buffer overflow in MiniShare allows remote attackers to execute arbitrary code via a crafted HTTP PUT request.

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-2020-13768?

CVE-2020-13768 is a critical memory corruption vulnerability in n/a, published on 4 Jun 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In MiniShare before 1.4.2, there is a stack-based buffer overflow via an HTTP PUT request, which allows an attacker to achieve arbitrary code execution, a similar issue to CVE-2018-19861, CVE-2018-19862, and CVE-2019-17601. NOTE: this product is discontinued.

Weakness: CWE-787

Which versions are affected by CVE-2020-13768?

It affects 1 product.

Products include Minishare Project Minishare.

How do I fix CVE-2020-13768?

No fix has been published for CVE-2020-13768 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-2020-13768 being exploited?

There is no known exploitation of CVE-2020-13768 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

Sources

Also known as GHSA-g7jw-cx45-fr8v.