Bug 1770375 (CVE-2019-18676)

Summary:	CVE-2019-18676 squid: Buffer overflow in URI processor
Product:	[Other] Security Response	Reporter:	Pedro Sampaio <psampaio>
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, code, jonathansteffan, luhliari, szashche, uwe.knop
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	squid 4.9	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2020-11-04 02:23:08 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:	1770376, 1771271, 1771272
Bug Blocks:	1770377

Description Pedro Sampaio 2019-11-08 20:05:07 UTC

Due to incorrect input validation Squid is vulnerable to a buffer overflow which can result in Denial of Service to all clients using the proxy.

References:

http://www.squid-cache.org/Advisories/SQUID-2019_8.txt

Comment 1 Pedro Sampaio 2019-11-08 20:05:21 UTC

Created squid tracking bugs for this issue:

Affects: fedora-all [bug 1770376]

Comment 2 Huzaifa S. Sidhpurwala 2019-11-12 05:27:21 UTC

Upstream patch: http://www.squid-cache.org/Versions/v4/changesets/squid-4-fbbdf75efd7a5cc244b4886a9d42ea458c5a3a73.patch

Comment 3 Huzaifa S. Sidhpurwala 2019-11-12 05:27:24 UTC

External References:

http://www.squid-cache.org/Advisories/SQUID-2019_8.txt

Comment 5 Serhii Zashchelkin 2020-01-22 14:26:06 UTC

Hi

Could anyone please clarify, whether a patch for Squid V3 will be released for this issue?

Thanks,
Serhii

Comment 6 Product Security DevOps Team 2020-11-04 02:23:08 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-2019-18676

Comment 7 errata-xmlrpc 2020-11-04 03:31:26 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