CVE-2017-17099 Memory corruption in n/a

High 7.8 Published 3 Dec 2017 Updated 5 Aug 2024

Unauthenticated attackers can trigger a buffer overflow in the HTTP server to execute arbitrary code with SYSTEM privileges.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2017-17099?

CVE-2017-17099 is a high-severity memory corruption vulnerability in n/a, published on 3 Dec 2017. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

There exists an unauthenticated SEH based Buffer Overflow vulnerability in the HTTP server of Flexense SyncBreeze Enterprise v10.1.16. When sending a GET request with an excessive length, it is possible for a malicious user to overwrite the SEH record and execute a payload that would run under the Windows SYSTEM account.

Weakness: CWE-119

Which versions are affected by CVE-2017-17099?

It affects 1 product.

Products include Flexense Syncbreeze.

How do I fix CVE-2017-17099?

No fix has been published for CVE-2017-17099 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-2017-17099 being exploited?

There is no known exploitation of CVE-2017-17099 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

Sources

Also known as GHSA-grh2-3qxf-46m9.