CVE-2020-11735

CVSS V2 Medium 5 CVSS V3 Medium 5.3
Description
The private-key operations in ecc.c in wolfSSL before 4.4.0 do not use a constant-time modular inverse when mapping to affine coordinates, aka a "projective coordinates leak."
Overview
  • CVE ID
  • CVE-2020-11735
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-06-25T14:15:11
  • Last Modified Date
  • 2021-07-21T11:39:23
Weakness Enumerations
CWE URL
CWE-203 http://cwe.mitre.org/data/definitions/203.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:wolfssl:wolfssl:*:*:*:*:*:*:*:* 1 OR 4.4.0
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:P/I:N/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • LOW
  • Availability Impact
  • NONE
  • Base Score
  • 5.3
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 3.9
  • Impact Score
  • 1.4
References
Reference URL Reference Tags
https://github.com/wolfSSL/wolfssl/releases/tag/v4.4.0-stable Release Notes Third Party Advisory
https://github.com/wolfSSL/wolfssl/commit/1de07da61f0c8e9926dcbd68119f73230dae283f Patch Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-11735
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11735
History
Created Old Value New Value Data Type Notes
2022-05-10 07:01:33 Added to TrackCVE
2022-12-04 18:43:23 2020-06-25T14:15Z 2020-06-25T14:15:11 CVE Published Date updated
2022-12-04 18:43:23 2021-07-21T11:39:23 CVE Modified Date updated
2022-12-04 18:43:23 Analyzed Vulnerability Status updated