Bug 1852554 (CVE-2020-14058)

Summary: CVE-2020-14058 squid: DoS in TLS handshake
Product: [Other] Security Response Reporter: Guilherme de Almeida Suckevicz <gsuckevi>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: anon.amish, bnater, code, jonathansteffan, luhliari
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Fixed In Version: squid 4.12, 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 while processing TLS certificates is possible due to use of a potentially dangerous function in Squid and the default certificate validation helper. The highest threat from this vulnerability is to system availability.
Story Points: ---
Clone Of: Environment:
Last Closed: 2020-11-04 02:26:15 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Bug Depends On: 1852555, 1853135, 1853136    
Bug Blocks: 1852556    

Description Guilherme de Almeida Suckevicz 2020-06-30 17:04:45 UTC
Due to use of a potentially dangerous function Squid and the default certificate validation helper are vulnerable to a Denial of Service attack when processing TLS certificates.


Comment 1 Guilherme de Almeida Suckevicz 2020-06-30 17:05:00 UTC
Created squid tracking bugs for this issue:

Affects: fedora-all [bug 1852555]

Comment 3 Huzaifa S. Sidhpurwala 2020-07-02 04:26:18 UTC
External References:


Comment 8 Product Security DevOps Team 2020-11-04 02:26:15 UTC
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):


Comment 9 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