Bug 1923133 (CVE-2021-20220) - CVE-2021-20220 undertow: Possible regression in fix for CVE-2020-10687
Summary: CVE-2021-20220 undertow: Possible regression in fix for CVE-2020-10687
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2021-20220
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:
Blocks: Embargoed1922477
TreeView+ depends on / blocked
 
Reported: 2021-02-01 13:23 UTC by Pedro Sampaio
Modified: 2021-10-14 15:03 UTC (History)
59 users (show)

Fixed In Version: Undertow 2.2.0.Final, Undertow 2.1.6.Final, Undertow 2.0.34.Final
Doc Type: If docs needed, set a value
Doc Text:
A flaw was found in Undertow. A regression in the fix for CVE-2020-10687 was found. HTTP request smuggling related to CVE-2017-2666 is possible against HTTP/1.x and HTTP/2 due to permitting invalid characters in an HTTP request. This flaw allows an attacker to poison a web-cache, perform an XSS attack, or obtain sensitive information from request other than their own. The highest threat from this vulnerability is to data confidentiality and integrity.
Clone Of:
Environment:
Last Closed: 2021-03-16 19:20:02 UTC

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2021:0872 0 None None None 2021-03-16 13:44:04 UTC
Red Hat Product Errata RHSA-2021:0873 0 None None None 2021-03-16 13:36:15 UTC
Red Hat Product Errata RHSA-2021:0874 0 None None None 2021-03-16 13:40:05 UTC
Red Hat Product Errata RHSA-2021:0885 0 None None None 2021-03-16 13:19:57 UTC
Red Hat Product Errata RHSA-2021:0974 0 None None None 2021-03-23 14:18:30 UTC
Red Hat Product Errata RHSA-2021:2755 0 None None None 2021-07-15 15:25:50 UTC

Description Pedro Sampaio 2021-02-01 13:23:21 UTC 
A regression issue reintroduced undertow's CVE-2020-10687 after undertow 2.0.30.SP4.
Comment 9 errata-xmlrpc 2021-03-16 13:19:50 UTC 
This issue has been addressed in the following products:

  Red Hat JBoss Enterprise Application Platform

Via RHSA-2021:0885 https://access.redhat.com/errata/RHSA-2021:0885
Comment 10 errata-xmlrpc 2021-03-16 13:36:04 UTC 
This issue has been addressed in the following products:

  Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 7

Via RHSA-2021:0873 https://access.redhat.com/errata/RHSA-2021:0873
Comment 11 errata-xmlrpc 2021-03-16 13:40:01 UTC 
This issue has been addressed in the following products:

  Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 8

Via RHSA-2021:0874 https://access.redhat.com/errata/RHSA-2021:0874
Comment 12 errata-xmlrpc 2021-03-16 13:43:55 UTC 
This issue has been addressed in the following products:

  Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 6

Via RHSA-2021:0872 https://access.redhat.com/errata/RHSA-2021:0872
Comment 13 Product Security DevOps Team 2021-03-16 19:20:02 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-2021-20220
Comment 14 errata-xmlrpc 2021-03-23 14:18:26 UTC 
This issue has been addressed in the following products:

  Red Hat Single Sign-On 7.4.6

Via RHSA-2021:0974 https://access.redhat.com/errata/RHSA-2021:0974
Comment 15 errata-xmlrpc 2021-06-02 14:23:46 UTC 
This issue has been addressed in the following products:

  Red Hat EAP-XP via EAP 7.3.x base

Via RHSA-2021:2210 https://access.redhat.com/errata/RHSA-2021:2210
Comment 16 errata-xmlrpc 2021-07-15 15:25:48 UTC 
This issue has been addressed in the following products:

  Red Hat EAP-XP 2.0.0 via EAP 7.3.x base

Via RHSA-2021:2755 https://access.redhat.com/errata/RHSA-2021:2755
Comment 17 Jonathan Christison 2021-08-10 13:36:26 UTC 
Marking Red Hat Fuse 7 as not affected as a vulnerable version of undertow is not released, this vulnerability was not present in the versions of undertow distributed with Fuse (2.2.5 and 2.0.30SP4)
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