Bug 1852558 (CVE-2020-14059)

Summary:	CVE-2020-14059 squid: DoS when processing objects in an SMP cache due to an incorrect synchronization
Product:	[Other] Security Response	Reporter:	Guilherme de Almeida Suckevicz <gsuckevi>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	anon.amish, code, jonathansteffan, luhliari
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	squid 5.0.3	Doc Type:	If docs needed, set a value
Doc Text:	A flaw was found in squid. A denial of service attack is possible when processing objects in an SMP cache due to an incorrect synchronization. The highest threat from this vulnerability is to system availability.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2020-07-02 04:58:44 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:	1852559
Bug Blocks:	1852556

Description Guilherme de Almeida Suckevicz 2020-06-30 17:10:56 UTC

Due to an Incorrect Synchronization, Squid is vulnerable to a Denial of Service attack when processing objects in an SMP cache.

Reference:
https://github.com/squid-cache/squid/security/advisories/GHSA-w7pw-2m4p-58hr

Comment 1 Guilherme de Almeida Suckevicz 2020-06-30 17:11:15 UTC

Created squid tracking bugs for this issue:

Affects: fedora-all [bug 1852559]

Comment 3 Huzaifa S. Sidhpurwala 2020-07-02 04:58:49 UTC

Statement:

This issue only affects squid-5.x. Therefore versions of squid shipped with Red Hat products are not affected by this flaw.

Comment 4 Huzaifa S. Sidhpurwala 2020-07-02 04:58:52 UTC

External References:

https://github.com/squid-cache/squid/security/advisories/GHSA-w7pw-2m4p-58hr