Moderate
elFinder Command Injection v<2.1.48
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elFinder Command Injection v<2.1.48
MITRE ATT&CK
Collection
Command and Control
Credential Access
Defense Evasion
Discovery
Execution
Exfiltration
Impact
Initial Access
Lateral Movement
Persistence
Privilege Escalation
Topic Tags
Description
elFinder before 2.1.48 has a command injection vulnerability in the PHP connector.
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Ratings
-
Attacker ValueMedium
-
ExploitabilityHigh
Technical Analysis
Details
The PHP component in the elFinder software allows unauthenticated users to upload and manipulate images.
While performing image manipulation on a JPEG, elFinder passes the file’s name unsanitized to a command line utility called exiftran.
By inserting arbitrary code into the JPEG’s file name, the code will get passed to the exiftran utility and be executed.
This exploit requires that exiftran be installed to work. If exiftran is not installed, then the software opts to use jpegtran,
which removes exploitability. Despite the caveat listed previously, this is still a valuable exploit.
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Additional Info
Technical Analysis
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CVE ID
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