9.8crit

CVE-2016-6890

Heap-based buffer overflow in MatrixSSL before 3.8.6 allows remote attackers to execute arbitrary code via a crafted Subject Alt Name in an…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
9.8
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
6.4%
percentile 94%
Public exploits
0
none known

Summary

Heap-based buffer overflow in MatrixSSL before 3.8.6 allows remote attackers to execute arbitrary code via a crafted Subject Alt Name in an X.509 certificate.

Exploit prediction (EPSS)

6.38% probability of exploitation in the next 30 days, higher than 94% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.09.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD2.010.0AV:N/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

  • github.com /matrixssl/matrixssl/blob/3-8-6-open/CHANGES.md · x_refsource_CONFIRM, x_transferred
  • kb.cert.org /vuls/id/396440 · third-party-advisory, x_refsource_CERT-VN, x_transferred
  • securityfocus.com /bid/93498 · vdb-entry, x_refsource_BID, x_transferred
  • tripwire.com /state-of-security/security-data-protection/cyber-security/flawed-matrixssl-code-highlight · x_refsource_MISC, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.