High severity · published Jul 4, 2024
CVE-2024-39943
rejetto HFS (aka HTTP File Server) 3 before 0.52.10 on Linux, UNIX, and macOS allows OS command execution by remote authenticated users (if they have Upload permissions)
8.8
CVSS
39.5%
EPSS
No
On KEV
Description
rejetto HFS (aka HTTP File Server) 3 before 0.52.10 on Linux, UNIX, and macOS allows OS command execution by remote authenticated users (if they have Upload permissions). This occurs because a shell is used to execute df (i.e., with execSync instead of spawnSync in child_process in Node.js).
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)39.5% · higher than 99% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HF
Http File Server · Rejetto
before 0.52.10 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-39943
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-39943
Patch
https://github.com/rejetto/hfs/commit/305381bd36eee074fb238b64302a252668daad1d
Patch
https://github.com/rejetto/hfs/compare/v0.52.9...v0.52.10
Product
https://www.rejetto.com/wiki/index.php/HFS:_Working_with_uploads
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