CVE-2020-36177

CVSS V2 High 10 CVSS V3 Critical 9.8
Description
RsaPad_PSS in wolfcrypt/src/rsa.c in wolfSSL before 4.6.0 has an out-of-bounds write for certain relationships between key size and digest size.
Overview
  • CVE ID
  • CVE-2020-36177
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-01-06T16:15:12
  • Last Modified Date
  • 2021-01-12T14:39:36
Weakness Enumerations
CWE URL
CWE-787 http://cwe.mitre.org/data/definitions/787.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:wolfssl:wolfssl:*:*:*:*:*:*:*:* 1 OR 4.6.0
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:C/I:C/A:C
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • COMPLETE
  • Integrity Impact
  • COMPLETE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 10
  • Severity
  • HIGH
  • Exploitability Score
  • 10
  • Impact Score
  • 10
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 9.8
  • Base Severity
  • CRITICAL
  • Exploitability Score
  • 3.9
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://github.com/wolfSSL/wolfssl/pull/3426 Patch Third Party Advisory
https://github.com/wolfSSL/wolfssl/releases/tag/v4.6.0-stable Third Party Advisory
https://github.com/wolfSSL/wolfssl/commit/fb2288c46dd4c864b78f00a47a364b96a09a5c0f Patch Third Party Advisory
https://github.com/wolfSSL/wolfssl/commit/63bf5dc56ccbfc12a73b06327361687091a4c6f7 Patch Third Party Advisory
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26567 Exploit Mailing List Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-36177
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-36177
History
Created Old Value New Value Data Type Notes
2022-05-10 07:27:37 Added to TrackCVE
2022-12-05 19:27:09 2021-01-06T16:15Z 2021-01-06T16:15:12 CVE Published Date updated
2022-12-05 19:27:09 2021-01-12T14:39:36 CVE Modified Date updated
2022-12-05 19:27:10 Analyzed Vulnerability Status updated