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Laravel - Remote Code Execution (CVE-2021-3129)

Severity
CVSSv3 Score
9.8
Exploitable with Sniper
Yes
Vulnerability description

Laravel framework is affected by a Remote Code Execution, located in the /_ignition/execute-solution endpoint. The root cause of this vulnerability is insecure usage of PHP functions file_get_content() and file_put_content(), which can be used for log poisoning. The versions affected are below 8.4.2 release, with the ignition mode versions below 2.5.2 release.

Exploit capabilities

Sniper can gain unauthenticated Remote Code Execution on the target system and extract multiple artefacts as evidence.

Risk description

The risk exists that a remote unauthenticated attacker can fully compromise the server in order to steal confidential information, install ransomware, or pivot to the internal network.

Recommendation

Upgrade the Laravel framework to a version higher than 8.4.2 and upgrade ignition mode to a version higher or equal with 2.5.2.

Detectable with
Network Scanner
Vuln date
Jan 2021
Published at
Updated at
Software Type
Web framework
Vendor
Laravel
Product
Laravel
Codename
Not available