CVE-2016-6885

CVSS V2 Medium 5 CVSS V3 High 7.5
Description
The pstm_exptmod function in MatrixSSL before 3.8.4 allows remote attackers to cause a denial of service (invalid free and crash) via a base zero value for the modular exponentiation.
Overview
  • CVE ID
  • CVE-2016-6885
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2017-01-13T16:59:00
  • Last Modified Date
  • 2017-01-17T18:23:40
Weakness Enumerations
CWE URL
CWE-416 http://cwe.mitre.org/data/definitions/416.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:matrixssl:matrixssl:*:*:*:*:*:*:*:* 1 OR 3.8.3
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://blog.fuzzing-project.org/51-Fun-with-Bignums-Crashing-MatrixSSL-and-more.html Third Party Advisory
http://www.matrixssl.org/blog/releases/matrixssl_3_8_4 Patch Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2016-6885
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-6885
History
Created Old Value New Value Data Type Notes
2022-05-10 09:50:37 Added to TrackCVE
2022-12-02 12:54:49 2017-01-13T16:59Z 2017-01-13T16:59:00 CVE Published Date updated
2022-12-02 12:54:49 2017-01-17T18:23:40 CVE Modified Date updated
2022-12-02 12:54:49 Analyzed Vulnerability Status updated