Executive Summary

Informations
Name CVE-2021-3999 First vendor Publication 2022-08-24
Vendor Cve Last vendor Modification 2023-02-12

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 7.8
Base Score 7.8 Environmental Score 7.8
impact SubScore 5.9 Temporal Score 7.8
Exploitabality Sub Score 1.8
 
Attack Vector Local Attack Complexity Low
Privileges Required Low User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector :
Cvss Base Score N/A Attack Range N/A
Cvss Impact Score N/A Attack Complexity N/A
Cvss Expoit Score N/A Authentication N/A
Calculate full CVSS 2.0 Vectors scores

Detail

A flaw was found in glibc. An off-by-one buffer overflow and underflow in getcwd() may lead to memory corruption when the size of the buffer is exactly 1. A local attacker who can control the input buffer and size passed to getcwd() in a setuid program could use this flaw to potentially execute arbitrary code and escalate their privileges on the system.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3999

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-193 Off-by-one Error

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 126
Application 1
Application 1
Application 1
Os 2

Sources (Detail)

Source Url
CONFIRM https://security.netapp.com/advisory/ntap-20221104-0001/
MISC https://access.redhat.com/security/cve/CVE-2021-3999
https://bugzilla.redhat.com/show_bug.cgi?id=2024637
https://security-tracker.debian.org/tracker/CVE-2021-3999
https://sourceware.org/bugzilla/show_bug.cgi?id=28769
https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Bh=23e0e8f5f1fb5ed150253d9...
https://www.openwall.com/lists/oss-security/2022/01/24/4
MLIST https://lists.debian.org/debian-lts-announce/2022/10/msg00021.html

Alert History

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Date Informations
2023-02-13 05:27:32
  • Multiple Updates
2023-02-03 05:27:35
  • Multiple Updates
2022-11-21 21:27:26
  • Multiple Updates
2022-11-04 21:27:42
  • Multiple Updates
2022-10-18 00:27:22
  • Multiple Updates
2022-08-29 21:27:17
  • Multiple Updates
2022-08-24 21:27:11
  • First insertion