Bug 1852558 (CVE-2020-14059) - CVE-2020-14059 squid: DoS when processing objects in an SMP cache due to an incorrect synchronization
Summary: CVE-2020-14059 squid: DoS when processing objects in an SMP cache due to an i...
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2020-14059
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: 1852559
Blocks: 1852556
TreeView+ depends on / blocked
 
Reported: 2020-06-30 17:10 UTC by Guilherme de Almeida Suckevicz
Modified: 2021-03-30 13:56 UTC (History)
4 users (show)

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.
Clone Of:
Environment:
Last Closed: 2020-07-02 04:58:44 UTC
Embargoed:

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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
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