CVE-2020-36402

CVSS V2 Medium 6.8 CVSS V3 High 7.8
Description
Solidity 0.7.5 has a stack-use-after-return issue in smtutil::CHCSmtLib2Interface::querySolver. NOTE: c39a5e2b7a3fabbf687f53a2823fc087be6c1a7e is cited in the OSV "fixed" field but does not have a code change.
Overview
  • CVE ID
  • CVE-2020-36402
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-07-01T03:15:07
  • Last Modified Date
  • 2021-07-06T21:09:03
Weakness Enumerations
CWE URL
CWE-787 http://cwe.mitre.org/data/definitions/787.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:a:soliditylang:solidity:0.7.5:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:P/I:P/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 6.8
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • REQUIRED
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 7.8
  • Base Severity
  • HIGH
  • Exploitability Score
  • 1.8
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26997 Exploit Issue Tracking Patch Third Party Advisory
https://github.com/ethereum/solidity/commit/c39a5e2b7a3fabbf687f53a2823fc087be6c1a7e Patch Third Party Advisory
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/solidity/OSV-2020-2131.yaml Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-36402
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-36402
History
Created Old Value New Value Data Type Notes
2022-05-10 07:08:40 Added to TrackCVE
2022-12-05 05:17:49 2021-07-01T03:15Z 2021-07-01T03:15:07 CVE Published Date updated
2022-12-05 05:17:49 2021-07-06T21:09:03 CVE Modified Date updated
2022-12-05 05:17:49 Analyzed Vulnerability Status updated