CVE-2017-2800 Memory corruption in wolfSSL
A crafted x509 certificate causes an out-of-bounds write in wolfSSL, potentially allowing remote code execution or denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-2800?
CVE-2017-2800 is a high-severity memory corruption vulnerability in Wolfssl Wolfssl, published on 24 May 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A specially crafted x509 certificate can cause a single out of bounds byte overwrite in wolfSSL through 3.10.2 resulting in potential certificate validation vulnerabilities, denial of service and possible remote code execution. In order to trigger this vulnerability, the attacker needs to supply a malicious x509 certificate to either a server or a client application using this library.
Weakness: CWE-295
Which versions are affected by CVE-2017-2800?
It affects 1 product.
Products include Wolfssl Wolfssl.
How do I fix CVE-2017-2800?
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-2017-2800 being exploited?
There is no known exploitation of CVE-2017-2800 in the wild and no public exploit code.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Wolfssl Wolfssl
Sources
Also known as DEBIAN-CVE-2017-2800, GHSA-59h3-rq7p-jqmv, UBUNTU-CVE-2017-2800.