Bug 1853014 (CVE-2020-12417) - CVE-2020-12417 Mozilla: Memory corruption due to missing sign-extension for ValueTags on ARM64
Summary: CVE-2020-12417 Mozilla: Memory corruption due to missing sign-extension for V...
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2020-12417
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: 1850596 1850597 1850599 1850600 1850601 1850603 1850732 1850733 1850734 1850735 1850736 1850737
Blocks: 1850592
TreeView+ depends on / blocked
 
Reported: 2020-07-01 18:05 UTC by msiddiqu
Modified: 2021-02-16 19:43 UTC (History)
4 users (show)

Fixed In Version: firefox 68.10, thunderbird 68.10.0, thunderbird 78
Doc Type: If docs needed, set a value
Doc Text:
The Mozilla Foundation Security Advisory describes this flaw as: Due to confusion about ValueTags on JavaScript Objects, an object may pass through the type barrier, resulting in memory corruption and a potentially exploitable crash.
Clone Of:
Environment:
Last Closed: 2020-07-07 01:27:42 UTC
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2020:2825 0 None None None 2020-07-06 20:27:00 UTC
Red Hat Product Errata RHSA-2020:2826 0 None None None 2020-07-06 21:05:30 UTC
Red Hat Product Errata RHSA-2020:2827 0 None None None 2020-07-06 21:14:31 UTC
Red Hat Product Errata RHSA-2020:2828 0 None None None 2020-07-06 21:05:59 UTC
Red Hat Product Errata RHSA-2020:2906 0 None None None 2020-07-14 11:33:26 UTC
Red Hat Product Errata RHSA-2020:2907 0 None None None 2020-07-14 11:14:06 UTC
Red Hat Product Errata RHSA-2020:3038 0 None None None 2020-07-21 14:49:46 UTC
Red Hat Product Errata RHSA-2020:3046 0 None None None 2020-07-21 14:34:54 UTC

Description msiddiqu 2020-07-01 18:05:25 UTC 
Due to confusion about ValueTags on JavaScript Objects, an object may pass through the type barrier, resulting in memory corruption and a potentially exploitable crash.

*Note: this issue only affects Firefox on ARM64 platforms.*



External Reference:

https://www.mozilla.org/en-US/security/advisories/mfsa2020-25/#CVE-2020-12417
Comment 1 msiddiqu 2020-07-01 18:05:31 UTC 
Acknowledgments:

Name: the Mozilla project
Upstream: Deian Stefan
Comment 2 Doran Moppert 2020-07-02 05:36:49 UTC 
Statement:

This vulnerability only affects Firefox on ARM64/aarch64 platforms.  Other architectures are not affected.
Comment 4 errata-xmlrpc 2020-07-06 20:26:59 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions

Via RHSA-2020:2825 https://access.redhat.com/errata/RHSA-2020:2825
Comment 5 errata-xmlrpc 2020-07-06 21:05:29 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.1 Extended Update Support

Via RHSA-2020:2826 https://access.redhat.com/errata/RHSA-2020:2826
Comment 6 errata-xmlrpc 2020-07-06 21:05:57 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2020:2828 https://access.redhat.com/errata/RHSA-2020:2828
Comment 7 errata-xmlrpc 2020-07-06 21:14:29 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2020:2827 https://access.redhat.com/errata/RHSA-2020:2827
Comment 8 Product Security DevOps Team 2020-07-07 01:27:42 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-2020-12417
Comment 10 errata-xmlrpc 2020-07-14 11:14:03 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.1 Extended Update Support

Via RHSA-2020:2907 https://access.redhat.com/errata/RHSA-2020:2907
Comment 11 errata-xmlrpc 2020-07-14 11:33:23 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2020:2906 https://access.redhat.com/errata/RHSA-2020:2906
Comment 12 errata-xmlrpc 2020-07-21 14:34:52 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions

Via RHSA-2020:3046 https://access.redhat.com/errata/RHSA-2020:3046
Comment 13 errata-xmlrpc 2020-07-21 14:49:43 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2020:3038 https://access.redhat.com/errata/RHSA-2020:3038
Note You need to log in before you can comment on or make changes to this bug.