CVE-2017-2780

moderate-risk
Published 2017-06-22

An exploitable heap buffer overflow vulnerability exists in the X509 certificate parsing functionality of InsideSecure MatrixSSL 3.8.7b. A specially crafted x509 certificate can cause a buffer overflow on the heap resulting in remote code execution. To trigger this vulnerability, a specially crafted x509 certificate must be presented to the vulnerable client or server application when initiating secure connection.

Do I need to act?

~
4.1% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
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

Matrixssl

References (4)

Broken Link http://www.securityfocus.com/bid/99249
Exploit https://talosintelligence.com/vulnerability_reports/TALOS-2017-0276
Broken Link http://www.securityfocus.com/bid/99249
Exploit https://talosintelligence.com/vulnerability_reports/TALOS-2017-0276
44
/ 100
moderate-risk
Severity 32/34 · Critical
Exploitability 7/34 · Low
Exposure 5/34 · Minimal