// For flags

CVE-2022-26386

Mozilla: Temporary files downloaded to /tmp and accessible by other local users

Severity Score

6.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Previously Firefox for macOS and Linux would download temporary files to a user-specific directory in <code>/tmp</code>, but this behavior was changed to download them to <code>/tmp</code> where they could be affected by other local users. This behavior was reverted to the original, user-specific directory. <br>*This bug only affects Firefox for macOS and Linux. Other operating systems are unaffected.*. This vulnerability affects Firefox ESR < 91.7 and Thunderbird < 91.7.

Anteriormente, Firefox para macOS y Linux descargaba archivos temporales a un directorio específico del usuario en <code>/tmp</code>, pero este comportamiento se cambió para descargarlos a <code>/tmp</code> donde podrían verse afectados. por otros usuarios locales. Este comportamiento se revirtió al directorio original específico del usuario. <br>*Este error solo afecta a Firefox para macOS y Linux. Otros sistemas operativos no se ven afectados.*. Esta vulnerabilidad afecta a Firefox ESR &lt; 91,7 y Thunderbird &lt; 91.7.

The Mozilla Foundation Security Advisory describes this flaw as: Previously Thunderbird for macOS and Linux would download temporary files to a user-specific directory in /tmp, but this behavior was changed to download them to /tmp where they could be affected by other local users. This behavior was reverted to the original, user-specific directory.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2022-03-03 CVE Reserved
  • 2022-03-11 CVE Published
  • 2024-06-03 EPSS Updated
  • 2024-08-03 CVE Updated
  • 2024-08-03 First Exploit
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-281: Improper Preservation of Permissions
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Mozilla
Search vendor "Mozilla"
Firefox Esr
Search vendor "Mozilla" for product "Firefox Esr"
< 91.7
Search vendor "Mozilla" for product "Firefox Esr" and version " < 91.7"
-
Affected
in Apple
Search vendor "Apple"
Macos
Search vendor "Apple" for product "Macos"
--
Safe
Mozilla
Search vendor "Mozilla"
Firefox Esr
Search vendor "Mozilla" for product "Firefox Esr"
< 91.7
Search vendor "Mozilla" for product "Firefox Esr" and version " < 91.7"
-
Affected
in Linux
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Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
--
Safe
Mozilla
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Thunderbird
Search vendor "Mozilla" for product "Thunderbird"
< 91.7
Search vendor "Mozilla" for product "Thunderbird" and version " < 91.7"
-
Affected
in Apple
Search vendor "Apple"
Macos
Search vendor "Apple" for product "Macos"
--
Safe
Mozilla
Search vendor "Mozilla"
Thunderbird
Search vendor "Mozilla" for product "Thunderbird"
< 91.7
Search vendor "Mozilla" for product "Thunderbird" and version " < 91.7"
-
Affected
in Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
--
Safe