Out-of-bounds write in Inside Secure MatrixSSL
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
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.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Inside Secure | MatrixSSL | 3.8.7b | — | No fix listed | CNA |
- MatrixSSL VendorInside Secure Affected 3.8.7b Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2017-2781
- 2026-10-03 Alias added: GHSA-vw2h-jp7j-6fq2
References
More Matrixssl vulnerabilities
- TI-2022-22985 An issue in MatrixSSL 4.5.1-open and earlier leads to failure to securely check the… CVSS 3.1HIGH 7.5
- TI-2016-05915 Heap-based buffer overflow in MatrixSSL before 3.8.6 allows remote attackers to execute… CVSS 3.0CRITICAL 9.8
- TI-2019-10761 In MatrixSSL 3.8.3 Open through 4.2.1 Open, the DTLS server mishandles incoming network… CVSS 3.1CRITICAL 9.8
- TI-2017-02002 Out-of-bounds write in Inside Secure MatrixSSL CVSS 3.1CRITICAL 9.8
- TI-2022-21609 MatrixSSL 4.0.4 through 4.5.1 has an integer overflow in matrixSslDecodeTls13. CVSS 3.1CRITICAL 9.8
- TI-2019-10113 MatrixSSL before 4.2.1 has an out-of-bounds read during ASN.1 handling. CVSS 3.0CRITICAL 9.8
Sources
- CVE-2017-2781 · CVE Program
- CVE-2017-2781 · NVD
- FIRST EPSS
- GHSA-vw2h-jp7j-6fq2 · GitHub Advisory Database · CC BY 4.0
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