CVE-2021-31871

CVSS V2 Medium 5 CVSS V3 High 7.5
Description
An issue was discovered in klibc before 2.0.9. An integer overflow in the cpio command may result in a NULL pointer dereference on 64-bit systems.
Overview
  • CVE ID
  • CVE-2021-31871
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-04-30T06:15:07
  • Last Modified Date
  • 2022-04-19T03:52:40
Weakness Enumerations
CWE URL
CWE-190 http://cwe.mitre.org/data/definitions/190.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:klibc_project:klibc:*:*:*:*:*:*:x64:* 1 OR 2.0.9
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* 1 OR
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
  • 3.1
  • Vector String
  • CVSS:3.1/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://kernel.org/pub/linux/libs/klibc/2.0/ Release Notes Third Party Advisory
https://lists.zytor.com/archives/klibc/2021-April/004593.html Mailing List Release Notes Third Party Advisory
https://git.kernel.org/pub/scm/libs/klibc/klibc.git/commit/?id=2e48a12ab1e30d43498c2d53e878a11a1b5102d5 Patch Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/04/30/1 Mailing List Release Notes Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/06/msg00025.html Mailing List Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-31871
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-31871
History
Created Old Value New Value Data Type Notes
2022-05-10 15:41:32 Added to TrackCVE
2022-12-05 01:21:43 2021-04-30T06:15Z 2021-04-30T06:15:07 CVE Published Date updated
2022-12-05 01:21:43 2022-04-19T03:52:40 CVE Modified Date updated
2022-12-05 01:21:43 Analyzed Vulnerability Status updated