Bug 1908028 (CVE-2020-35112) - CVE-2020-35112 Mozilla: Opening an extension-less download may have inadvertently launched an executable instead
Summary: CVE-2020-35112 Mozilla: Opening an extension-less download may have inadverte...
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2020-35112
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:
Blocks: 1906543
TreeView+ depends on / blocked
 
Reported: 2020-12-15 17:47 UTC by Guilherme de Almeida Suckevicz
Modified: 2021-02-16 18:43 UTC (History)
6 users (show)

Fixed In Version: firefox 78.6
Doc Type: If docs needed, set a value
Doc Text:
The Mozilla Foundation Security Advisory describes this flaw as: If a user downloaded a file lacking an extension on Windows, and then "Open"-ed it from the downloads panel, if there was an executable file in the downloads directory with the same name but with an executable extension (such as .bat or .exe) that executable would have been launched instead. *Note: This issue only affected Windows operating systems. Other operating systems are unaffected.*
Clone Of:
Environment:
Last Closed: 2020-12-15 22:20:18 UTC
Embargoed:

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Description Guilherme de Almeida Suckevicz 2020-12-15 17:47:05 UTC 
If a user downloaded a file lacking an extension on Windows, and then "Open"-ed it from the downloads panel, if there was an executable file in the downloads directory with the same name but with an executable extension (such as .bat or .exe) that executable would have been launched instead.

*Note: This issue only affected Windows operating systems. Other operating systems are unaffected.*



External Reference:

https://www.mozilla.org/en-US/security/advisories/mfsa2020-55/#CVE-2020-35112
Comment 1 Guilherme de Almeida Suckevicz 2020-12-15 17:47:09 UTC 
Acknowledgments:

Name: the Mozilla project
Upstream: Samuel Attard via the Chrome Security Team
Comment 2 Product Security DevOps Team 2020-12-15 22:20:18 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-2020-35112
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