CVE-2017-2800

moderate-risk
Published 2017-05-24

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.

Do I need to act?

~
8.9% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
!
1 public exploit available
41984
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Wolfssl

References (4)

Exploit https://talosintelligence.com/vulnerability_reports/TALOS-2017-0293
Exploit https://www.exploit-db.com/exploits/41984/
Exploit https://talosintelligence.com/vulnerability_reports/TALOS-2017-0293
Exploit https://www.exploit-db.com/exploits/41984/
47
/ 100
moderate-risk
Severity 32/34 · Critical
Exploitability 10/34 · Low
Exposure 5/34 · Minimal