Bug 1871705 (CVE-2020-24606)

Summary:	CVE-2020-24606 squid: Improper input validation could result in a DoS
Product:	[Other] Security Response	Reporter:	Michael Kaplan <mkaplan>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	anon.amish, cbuissar, code, jonathansteffan, ko_nakamura, luhliari, security-response-team, yozone
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	squid 4.13, squid 5.0.4	Doc Type:	If docs needed, set a value
Doc Text:	A flaw was found in squid. A denial of service attack is possible due to an improper input validation. The highest threat from this vulnerability is to system availability.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2020-09-30 09:57:30 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1871706, 1872349, 1872350
Bug Blocks:	1871707

Description Michael Kaplan 2020-08-24 05:05:25 UTC

Due to Improper Input Validation Squid is vulnerable to a Denial of Service attack
against the machine operating Squid.

Upstream Advisory:

https://github.com/squid-cache/squid/security/advisories/GHSA-vvj7-xjgq-g2jg

Affected Versions: 3.0-4.12, 5.0.1-5.0.3
Fixed Versions: 4.13, 5.0.4

Comment 1 Michael Kaplan 2020-08-24 05:05:44 UTC

Created squid tracking bugs for this issue:

Affects: fedora-all [bug 1871706]

Comment 6 Cedric Buissart 2020-09-03 07:00:10 UTC

Mitigation:

Add the no-digest option to all cache_peer lines in squid.conf

Comment 12 errata-xmlrpc 2020-09-30 07:01:16 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2020:4082 https://access.redhat.com/errata/RHSA-2020:4082

Comment 13 Product Security DevOps Team 2020-09-30 09:57:30 UTC

This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2020-24606

Comment 14 errata-xmlrpc 2020-11-04 03:32:08 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2020:4743 https://access.redhat.com/errata/RHSA-2020:4743

Comment 15 Eric Christensen 2021-03-30 14:00:26 UTC

External References:

https://github.com/squid-cache/squid/security/advisories/GHSA-vvj7-xjgq-g2jg