Bug 1770375 (CVE-2019-18676) - CVE-2019-18676 squid: Buffer overflow in URI processor
Summary: CVE-2019-18676 squid: Buffer overflow in URI processor
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2019-18676
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1770376 1771271 1771272
Blocks: 1770377
TreeView+ depends on / blocked
 
Reported: 2019-11-08 20:05 UTC by Pedro Sampaio
Modified: 2021-02-16 21:05 UTC (History)
6 users (show)

Fixed In Version: squid 4.9
Doc Type: If docs needed, set a value
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Clone Of:
Environment:
Last Closed: 2020-11-04 02:23:08 UTC
Embargoed:

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System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2020:4743 0 None None None 2020-11-04 03:31:45 UTC

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
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