High severity · published Nov 20, 2017
CVE-2017-16894
In Laravel framework through 5.5.21, remote attackers can obtain sensitive information (such as externally usable passwords) via a direct request for the /.env URI
7.5
CVSS
86.9%
EPSS
No
On KEV
Description
In Laravel framework through 5.5.21, remote attackers can obtain sensitive information (such as externally usable passwords) via a direct request for the /.env URI. NOTE: this CVE is only about Laravel framework's writeNewEnvironmentFileWith function in src/Illuminate/Foundation/Console/KeyGenerateCommand.php, which uses file_put_contents without restricting the .env permissions. The .env filename is not used exclusively by Laravel framework.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)86.9% · higher than 100% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LA
Laravel · Laravel
through 5.5.21 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-16894
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-16894
packetstormsecurity.com
http://packetstormsecurity.com/files/153641/PHP-Laravel-Framework-Token-Unserialize-Remote-Command-Execution.html
Third Party Advisory
http://whiteboyz.xyz/laravel-env-file-vuln.html
twitter.com
https://twitter.com/finnwea/status/967709791442341888
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