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CVE-2020-8449

Published: 4 February 2020

An issue was discovered in Squid before 4.10. Due to incorrect input validation, it can interpret crafted HTTP requests in unexpected ways to access server resources prohibited by earlier security filters.

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
squid
Launchpad, Ubuntu, Debian
bionic Does not exist

eoan
Released (4.8-1ubuntu2.2)
focal
Released (4.9-2ubuntu4)
groovy
Released (4.9-2ubuntu4)
trusty Does not exist

upstream Needs triage

xenial Does not exist

hirsute
Released (4.9-2ubuntu4)
Patches:
upstream: http://www.squid-cache.org/Versions/v4/changesets/SQUID-2020_1.patch (Squid 4.8 and older)
upstream: http://www.squid-cache.org/Versions/v4/changesets/squid-4-b3a0719affab099c684f1cd62b79ab02816fa962.patch (Squid 4.9)

squid3
Launchpad, Ubuntu, Debian
bionic
Released (3.5.27-1ubuntu1.5)
eoan Does not exist

focal Does not exist

groovy Does not exist

trusty Does not exist

upstream Needs triage

xenial
Released (3.5.12-1ubuntu7.10)
hirsute Does not exist

Patches:


upstream: http://www.squid-cache.org/Versions/v3/3.5/changesets/SQUID-2020_1.patch

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact None
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N