Description
Similar to CVE-2023-28163, this time when choosing 'Save Link As', suggested filenames containing environment variable names would have resolved those in the context of the current user. *This bug only affects Firefox and Thunderbird on Windows. Other versions of Firefox and Thunderbird are unaffected.* This vulnerability affects Firefox < 112, Firefox ESR < 102.10, and Thunderbird < 102.10.
References (4)
Core 4
Core References
Permissions Required
https://bugzilla.mozilla.org/show_bug.cgi?id=1823077
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-13/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-14/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-15/
Scores
CVSS v3
6.5
EPSS
0.0037
EPSS Percentile
58.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
Status
published
Products (3)
mozilla/firefox
< 112.0
mozilla/firefox_esr
< 102.10
mozilla/thunderbird
< 102.10
Published
Jun 19, 2023
Tracked Since
Feb 18, 2026