Bug 1920646 (CVE-2021-23953) - CVE-2021-23953 Mozilla: Cross-origin information leakage via redirected PDF requests
Summary: CVE-2021-23953 Mozilla: Cross-origin information leakage via redirected PDF r...
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2021-23953
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1919188 1919189 1919190 1919191 1919192 1920635 1920636 1920637 1920638 1920640
Blocks: 1919186
TreeView+ depends on / blocked
 
Reported: 2021-01-26 19:28 UTC by msiddiqu
Modified: 2021-03-04 11:01 UTC (History)
6 users (show)

Fixed In Version: firefox 78.7, thunderbird 78.7
Doc Type: If docs needed, set a value
Doc Text:
The Mozilla Foundation Security Advisory describes this flaw as: If a user clicked into a specifically crafted PDF, the PDF reader could be confused into leaking cross-origin information, when said information is served as chunked data.
Clone Of:
Environment:
Last Closed: 2021-01-27 20:41:35 UTC
Embargoed:


Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2021:0285 0 None None None 2021-01-27 16:47:24 UTC
Red Hat Product Errata RHSA-2021:0288 0 None None None 2021-01-27 17:55:14 UTC
Red Hat Product Errata RHSA-2021:0289 0 None None None 2021-01-27 18:00:10 UTC
Red Hat Product Errata RHSA-2021:0290 0 None None None 2021-01-27 18:35:19 UTC
Red Hat Product Errata RHSA-2021:0297 0 None None None 2021-01-28 16:10:06 UTC
Red Hat Product Errata RHSA-2021:0298 0 None None None 2021-01-28 16:29:56 UTC
Red Hat Product Errata RHSA-2021:0299 0 None None None 2021-01-28 16:35:30 UTC
Red Hat Product Errata RHSA-2021:0397 0 None None None 2021-02-03 10:43:03 UTC

Description msiddiqu 2021-01-26 19:28:36 UTC
If a user clicked into a specifically crafted PDF, the PDF reader could be confused into leaking cross-origin information, when said information is served as chunked data.



External Reference:

https://www.mozilla.org/en-US/security/advisories/mfsa2021-04/#CVE-2021-23953

Comment 1 msiddiqu 2021-01-26 19:28:41 UTC
Acknowledgments:

Name: the Mozilla project
Upstream: Rob Wu

Comment 2 errata-xmlrpc 2021-01-27 16:48:06 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.1 Extended Update Support

Via RHSA-2021:0285 https://access.redhat.com/errata/RHSA-2021:0285

Comment 3 errata-xmlrpc 2021-01-27 17:55:12 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2021:0288 https://access.redhat.com/errata/RHSA-2021:0288

Comment 4 errata-xmlrpc 2021-01-27 18:00:09 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.2 Extended Update Support

Via RHSA-2021:0289 https://access.redhat.com/errata/RHSA-2021:0289

Comment 5 errata-xmlrpc 2021-01-27 18:35:18 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2021:0290 https://access.redhat.com/errata/RHSA-2021:0290

Comment 6 Product Security DevOps Team 2021-01-27 20:41:35 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-2021-23953

Comment 7 errata-xmlrpc 2021-01-28 16:10:04 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2021:0297 https://access.redhat.com/errata/RHSA-2021:0297

Comment 8 errata-xmlrpc 2021-01-28 16:29:54 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2021:0298 https://access.redhat.com/errata/RHSA-2021:0298

Comment 9 errata-xmlrpc 2021-01-28 16:36:11 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.2 Extended Update Support

Via RHSA-2021:0299 https://access.redhat.com/errata/RHSA-2021:0299

Comment 10 errata-xmlrpc 2021-02-03 10:42:59 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.1 Extended Update Support

Via RHSA-2021:0397 https://access.redhat.com/errata/RHSA-2021:0397


Note You need to log in before you can comment on or make changes to this bug.