Bug 1861647 (CVE-2020-15658) - CVE-2020-15658 Mozilla: Overriding file type when saving to disk
Summary: CVE-2020-15658 Mozilla: Overriding file type when saving to disk
Keywords:
Status: CLOSED WONTFIX
Alias: CVE-2020-15658
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1873379 1870416 1870417 1870418
Blocks: 1861032
TreeView+ depends on / blocked
 
Reported: 2020-07-29 07:03 UTC by Doran Moppert
Modified: 2020-08-28 05:17 UTC (History)
4 users (show)

Fixed In Version: thunderbird 78.1, firefox 78.1, firefox 79
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Environment:
Last Closed: 2020-08-20 03:15:26 UTC


Attachments (Terms of Use)


Links
System ID Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2020:3555 None None None 2020-08-26 08:31:23 UTC
Red Hat Product Errata RHSA-2020:3557 None None None 2020-08-26 08:46:17 UTC
Red Hat Product Errata RHSA-2020:3559 None None None 2020-08-26 10:09:31 UTC

Description Doran Moppert 2020-07-29 07:03:30 UTC
The code for downloading files did not properly take care of special characters,
which led to an attacker being able to cut off the file ending at an earlier position, leading to a different file type being downloaded than shown in the dialog.



External Reference:

https://www.mozilla.org/en-US/security/advisories/mfsa2020-33/#CVE-2020-15658

Comment 1 Doran Moppert 2020-07-29 07:03:34 UTC
Acknowledgments:

Name: the Mozilla project
Upstream: belden

Comment 2 Product Security DevOps Team 2020-08-20 03:15:26 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-2020-15658

Comment 3 errata-xmlrpc 2020-08-26 08:31:20 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions

Via RHSA-2020:3555 https://access.redhat.com/errata/RHSA-2020:3555

Comment 4 errata-xmlrpc 2020-08-26 08:46:14 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2020:3557 https://access.redhat.com/errata/RHSA-2020:3557

Comment 5 errata-xmlrpc 2020-08-26 10:09:26 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.1 Extended Update Support

Via RHSA-2020:3559 https://access.redhat.com/errata/RHSA-2020:3559


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