Cyber Resilience

CVE-2024-3112

MediumPublic PoC

Published: 12 July 2024

Published
12 July 2024
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 4.8 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
EPSS Score 0.0019 40.8th percentile
Risk Priority 10 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-3112 is a medium-severity Unrestricted Upload of File with Dangerous Type (CWE-434) vulnerability in Bestwebsoft Quotes And Tips. Its CVSS base score is 4.8 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique Unix Shell (T1059.004); ranked at the 40.8th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

The Quotes and Tips by BestWebSoft WordPress plugin before 1.45 does not properly validate image files uploaded, allowing high privilege users such as admin to upload arbitrary files on the server even when they should not be allowed to (for…

more

example in multisite setup)

CWE(s)

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1059.004 Unix Shell Execution
Adversaries may abuse Unix shell commands and scripts for execution.
T1105 Ingress Tool Transfer Command And Control
Adversaries may transfer tools or other files from an external system into a compromised environment.
T1505.003 Web Shell Persistence
Adversaries may backdoor web servers with web shells to establish persistent access to systems.
T1608.001 Upload Malware Resource Development
Adversaries may upload malware to third-party or adversary controlled infrastructure to make it accessible during targeting.
Why these techniques?

Arbitrary file upload by admins enables uploading PHP web shells for remote code execution, facilitating Unix shell access (T1059.004), ingress tool transfer (T1105), web shell deployment (T1505.003), and malware staging (T1608.001).

Affected Assets

bestwebsoft
quotes and tips
≤ 1.45

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-434

Requiring identifiable owners for portable devices reduces the attack surface for unrestricted uploads of dangerous file types via anonymous media.

addresses: CWE-434

Dangerous file uploads can be detonated in the chamber to determine malice before any production write or execution occurs.

addresses: CWE-434

Prevents unrestricted writing of arbitrary or malicious firmware by keeping hardware write-protect enabled except under tightly controlled manual procedures.

addresses: CWE-434

Scans files from external sources on download/open/execute, blocking unrestricted uploads of dangerous file types.

References