Executive Summary

Informations
Name CVE-2021-31806 First vendor Publication 2021-05-27
Vendor Cve Last vendor Modification 2023-11-07

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Overall CVSS Score 6.5
Base Score 6.5 Environmental Score 6.5
impact SubScore 3.6 Temporal Score 6.5
Exploitabality Sub Score 2.8
 
Attack Vector Network Attack Complexity Low
Privileges Required Low User Interaction None
Scope Unchanged Confidentiality Impact None
Integrity Impact None Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:S/C:N/I:N/A:P)
Cvss Base Score 4 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 8 Authentication Requires single instance
Calculate full CVSS 2.0 Vectors scores

Detail

An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. Due to a memory-management bug, it is vulnerable to a Denial of Service attack (against all clients using the proxy) via HTTP Range request processing.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-31806

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-116 Improper Encoding or Escaping of Output

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Application 290
Os 2
Os 2

Metasploit Database

id Description
2021-05-27 Squid Proxy Range Header DoS

Sources (Detail)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedora...
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedora...
Source Url
CONFIRM https://security.netapp.com/advisory/ntap-20210716-0007/
DEBIAN https://www.debian.org/security/2021/dsa-4924
FULLDISC http://seclists.org/fulldisclosure/2023/Oct/14
MISC http://www.squid-cache.org/Versions/v4/changesets/squid-4-e7cf864f938f24eea8a...
https://github.com/squid-cache/squid/security/advisories/GHSA-pxwq-f3qr-w2xf
MLIST http://www.openwall.com/lists/oss-security/2023/10/11/3
https://lists.debian.org/debian-lts-announce/2021/06/msg00014.html

Alert History

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Date Informations
2024-02-02 02:25:28
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2021-05-29 05:22:46
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2021-05-27 17:22:48
  • First insertion