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CVE-2021-31808

Public on 2021-05-27
Modified on 2024-01-18
Description

An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. Due to an input-validation bug, it is vulnerable to a Denial of Service attack (against all clients using the proxy). A client sends an HTTP Range request to trigger this.

Severity
Medium
See what this means
CVSS v3 Base Score
6.5
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 squid 2023-02-17 00:02 ALAS-2023-1687
Amazon Linux 2 - Core squid 2023-02-17 00:11 ALAS2-2023-1950
Amazon Linux 2 - Squid4 Extra squid 2023-08-21 20:59 ALAS2SQUID4-2023-004

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD CVSSv2 4.0 AV:N/AC:L/Au:S/C:N/I:N/A:P
NVD CVSSv3 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H