Executive Summary

Informations
Name CVE-2020-7457 First vendor Publication 2020-07-09
Vendor Cve Last vendor Modification 2022-01-04

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 8.1
Base Score 8.1 Environmental Score 8.1
impact SubScore 5.9 Temporal Score 8.1
Exploitabality Sub Score 2.2
 
Attack Vector Network Attack Complexity High
Privileges Required None 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 : (AV:N/AC:M/Au:N/C:P/I:P/A:P)
Cvss Base Score 6.8 Attack Range Network
Cvss Impact Score 6.4 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

In FreeBSD 12.1-STABLE before r359565, 12.1-RELEASE before p7, 11.4-STABLE before r362975, 11.4-RELEASE before p1, and 11.3-RELEASE before p11, missing synchronization in the IPV6_2292PKTOPTIONS socket option set handler contained a race condition allowing a malicious application to modify memory after being freed, possibly resulting in code execution.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-7457

CWE : Common Weakness Enumeration

% Id Name
33 % CWE-662 Insufficient Synchronization
33 % CWE-416 Use After Free
33 % CWE-362 Race Condition

CPE : Common Platform Enumeration

TypeDescriptionCount
Os 21

Metasploit Database

id Description
2020-07-07 FreeBSD ip6_setpktopt Use-After-Free Privilege Escalation

Sources (Detail)

Source Url
CONFIRM https://security.netapp.com/advisory/ntap-20200724-0002/
MISC http://packetstormsecurity.com/files/158695/FreeBSD-ip6_setpktopt-Use-After-F...
https://security.FreeBSD.org/advisories/FreeBSD-SA-20:20.ipv6.asc

Alert History

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Date Informations
2022-01-04 21:23:10
  • Multiple Updates
2021-08-05 01:40:38
  • Multiple Updates
2021-07-21 17:23:39
  • Multiple Updates
2021-05-04 14:01:49
  • Multiple Updates
2021-04-22 03:07:57
  • Multiple Updates
2020-08-01 05:23:02
  • Multiple Updates
2020-07-30 00:22:40
  • Multiple Updates
2020-07-24 21:23:17
  • Multiple Updates
2020-07-16 21:23:14
  • Multiple Updates
2020-07-09 21:23:10
  • First insertion