CVE-2021-39680

CVSS V2 Low 2.1 CVSS V3 Medium 4.4
Description
In sec_SHA256_Transform of sha256_core.c, there is a possible way to read heap data due to uninitialized data. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-197965864References: N/A
Overview
  • CVE ID
  • CVE-2021-39680
  • Assigner
  • security@android.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2022-01-14T20:15:11
  • Last Modified Date
  • 2022-01-19T20:31:34
Weakness Enumerations
CWE URL
CWE-908 http://cwe.mitre.org/data/definitions/908.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:o:google:android:-:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:P/I:N/A:N
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 2.1
  • Severity
  • LOW
  • Exploitability Score
  • 3.9
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • HIGH
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • NONE
  • Base Score
  • 4.4
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 0.8
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://source.android.com/security/bulletin/pixel/2022-01-01 Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-39680
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-39680
History
Created Old Value New Value Data Type Notes
2022-05-10 06:37:00 Added to TrackCVE
2022-12-06 06:41:11 2022-01-14T20:15Z 2022-01-14T20:15:11 CVE Published Date updated
2022-12-06 06:41:11 2022-01-19T20:31:34 CVE Modified Date updated
2022-12-06 06:41:11 Analyzed Vulnerability Status updated