Bug 2170384 (CVE-2023-25734) - CVE-2023-25734 Mozilla: Opening local .url files could cause unexpected network loads
Summary: CVE-2023-25734 Mozilla: Opening local .url files could cause unexpected netwo...
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2023-25734
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks: 2167576
TreeView+ depends on / blocked
 
Reported: 2023-02-16 09:09 UTC by Dhananjay Arunesh
Modified: 2023-02-20 09:35 UTC (History)
5 users (show)

Fixed In Version: firefox 102.8, thunderbird 102.8
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Doc Text:
The Mozilla Foundation Security Advisory describes this flaw as: After downloading a Windows `.url` shortcut from the local filesystem, an attacker could supply a remote path that would lead to unexpected network requests from the operating system. This also had the potential to leak NTLM credentials to the resource. *This bug only affects Firefox on Windows. Other operating systems are unaffected.*
Clone Of:
Environment:
Last Closed: 2023-02-16 15:43:06 UTC
Embargoed:

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Description Dhananjay Arunesh 2023-02-16 09:09:58 UTC 
After downloading a Windows `.url` shortcut from the local filesystem, an attacker could supply a remote path that would lead to unexpected network requests from the operating system.  This also had the potential to leak NTLM credentials to the resource.

*This bug only affects Firefox on Windows. Other operating systems are unaffected.*

External Reference:
https://www.mozilla.org/en-US/security/advisories/mfsa2023-06/#CVE-2023-25734
Comment 1 Product Security DevOps Team 2023-02-16 15:43:04 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-2023-25734
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