Critical severity · published Jun 22, 2017
CVE-2017-2781
An exploitable heap buffer overflow vulnerability exists in the X509 certificate parsing functionality of InsideSecure MatrixSSL 3.8.7b
9.8
CVSS
2.3%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.3% · higher than 84% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MA
Matrixssl · Matrixssl
3.8.7b · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-2781
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-2781
Third Party Advisory
http://www.securityfocus.com/bid/99249
Exploit
https://talosintelligence.com/vulnerability_reports/TALOS-2017-0277
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CVE-2017-2780
An exploitable heap buffer overflow vulnerability exists in the X509 certificate parsing functionality of InsideSecure MatrixSSL 3.8.7b