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CVE

CVE-2023-28163

When downloading files through the Save As dialog on Windows with suggested filenames containing environment variable na

When downloading files through the Save As dialog on Windows with suggested filenames containing environment variable names, Windows would have resolved those in the context of the current user. <br>This bug only affects Firefox on Windows. Other versions of Firefox are unaffected.. This vulnerability affects Firefox < 111, Firefox ESR < 102.9, and Thunderbird < 102.9.

MEDIUM · CVSS 6.5 EPSS 0.00139
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules1 YARA rules0
⬡

Weakness Classification

CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
▤

Affected Products & Versions

3
mozilla firefox< 111.0
mozilla firefox esr< 102.9
mozilla thunderbird< 102.9
◈

Sigma Hunt Rules

1
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighSQLite Firefox Profile Data DB Access
▣

Scoring & Timeline

6.5
MEDIUM · CVSS v3.1 · security@mozilla.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD02 Jun 2023 · 05:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
SSVC triage · cisa-vulnrichment
Exploitation
poc
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

17
suse-csafopenSUSE-SU-2024:14572-1
suse-csafopenSUSE-SU-2024:12786-1
suse-csafopenSUSE-SU-2024:12791-1
suse-csafopenSUSE-SU-2024:12839-1
suse-csafopenSUSE-SU-2024:12852-1
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://bugzilla.mozilla.org/show_bug.cgi?id=1817768Issue TrackingPermissions RequiredVendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-09/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-10/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-11/Vendor Advisory
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