vulnwire
5.9med

CVE-2016-6882

MatrixSSL before 3.8.7, when the DHE_RSA based cipher suite is supported, makes it easier for remote attackers to obtain RSA private key in…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
5.9
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
1.3%
percentile 71%
Public exploits
0
none known

MatrixSSL before 3.8.7, when the DHE_RSA based cipher suite is supported, makes it easier for remote attackers to obtain RSA private key information by conducting a Lenstra side-channel attack.

Exploit prediction (EPSS)

1.30% probability of exploitation in the next 30 days, higher than 71% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.05.9CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD2.04.3AV:N/AC:M/Au:N/C:P/I:N/A:N

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
  • CWE-320 Key Management Errors

References

  • openwall.com /lists/oss-security/2016/08/19/7 · mailing-list, x_refsource_MLIST, x_transferred
  • people.redhat.com /~fweimer/rsa-crt-leaks.pdf · x_refsource_MISC, x_transferred
  • access.redhat.com /blogs/766093/posts/1976703 · x_refsource_MISC, x_transferred
  • github.com /matrixssl/matrixssl/blob/master/CHANGES.md#validation-of-rsa-signature-creation · x_refsource_CONFIRM, x_transferred
  • securityfocus.com /bid/91488 · vdb-entry, x_refsource_BID, 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.