Executive Summary

Informations
Name CVE-2022-47952 First vendor Publication 2023-01-01
Vendor Cve Last vendor Modification 2023-08-21

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Overall CVSS Score 3.3
Base Score 3.3 Environmental Score 3.3
impact SubScore 1.4 Temporal Score 3.3
Exploitabality Sub Score 1.8
 
Attack Vector Local Attack Complexity Low
Privileges Required Low User Interaction None
Scope Unchanged Confidentiality Impact Low
Integrity Impact None Availability Impact None
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

lxc-user-nic in lxc through 5.0.1 is installed setuid root, and may allow local users to infer whether any file exists, even within a protected directory tree, because "Failed to open" often indicates that a file does not exist, whereas "does not refer to a network namespace path" often indicates that a file exists. NOTE: this is different from CVE-2018-6556 because the CVE-2018-6556 fix design was based on the premise that "we will report back to the user that the open() failed but the user has no way of knowing why it failed"; however, in many realistic cases, there are no plausible reasons for failing except that the file does not exist.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-47952

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-203 Information Exposure Through Discrepancy

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 29

Sources (Detail)

Source Url
MISC https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1783591/comments/45
https://github.com/lxc/lxc/blob/0b83d71c2c8f3bac9503f894cd84584f79258bb3/lxc....
https://github.com/lxc/lxc/blob/0b83d71c2c8f3bac9503f894cd84584f79258bb3/src/...
https://github.com/MaherAzzouzi/CVE-2022-47952
MLIST https://lists.debian.org/debian-lts-announce/2023/08/msg00025.html

Alert History

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Date Informations
2023-08-22 05:27:38
  • Multiple Updates
2023-08-09 17:27:46
  • Multiple Updates
2023-01-09 21:27:16
  • Multiple Updates
2023-01-02 21:27:13
  • Multiple Updates
2023-01-01 13:07:24
  • First insertion