Bug 1951381 (CVE-2021-29948) - CVE-2021-29948 Mozilla: Race condition when reading from disk while verifying signatures
Summary: CVE-2021-29948 Mozilla: Race condition when reading from disk while verifying...
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2021-29948
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: 1951375 1951376 1951377 1951378 1951379 1951380
Blocks: 1951373
TreeView+ depends on / blocked
 
Reported: 2021-04-20 03:10 UTC by Doran Moppert
Modified: 2021-07-01 13:59 UTC (History)
5 users (show)

Fixed In Version: thunderbird 78.10
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Clone Of:
Environment:
Last Closed: 2021-04-26 10:48:09 UTC
Embargoed:

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Description Doran Moppert 2021-04-20 03:10:54 UTC 
Signatures are written to disk before and read during verification, which might be subject to a race condition when a malicious local process or user is replacing the file.



External Reference:

https://www.mozilla.org/en-US/security/advisories/mfsa2021-14/#CVE-2021-29948
Comment 1 Doran Moppert 2021-04-20 03:11:00 UTC 
Acknowledgments:

Name: the Mozilla project
Upstream: Cure53
Comment 3 errata-xmlrpc 2021-04-26 05:46:38 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2021:1353 https://access.redhat.com/errata/RHSA-2021:1353
Comment 4 errata-xmlrpc 2021-04-26 05:48:57 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.1 Extended Update Support

Via RHSA-2021:1351 https://access.redhat.com/errata/RHSA-2021:1351
Comment 5 errata-xmlrpc 2021-04-26 06:00:19 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.2 Extended Update Support

Via RHSA-2021:1352 https://access.redhat.com/errata/RHSA-2021:1352
Comment 6 errata-xmlrpc 2021-04-26 06:16:19 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2021:1350 https://access.redhat.com/errata/RHSA-2021:1350
Comment 7 Product Security DevOps Team 2021-04-26 10:48:09 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-2021-29948
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