CyberSecBulletin
CVE-2024-3376NVD status: Analyzed

Computer Laboratory Management System: Always-Incorrect Control Flow Implementation

CVE-2024-3376 is a critical-severity always-incorrect control flow implementation vulnerability in Computer Laboratory Management System from SourceCodester, with a CVSS 3.1 base score of 9.8 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. Affected Computer Laboratory Management System versions: 1.0. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 1.34% chance of exploitation within 30 days, higher than 72% of scored CVEs.

Patch this week

Critical severity: a successful attack would have severe impact.

What to do

  1. Check which version of Computer Laboratory Management System you run against the affected versions below, and install the vendor's latest release.
  2. Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.

Affected products and versions

VendorProductAffected versionsFixed in
SourceCodesterComputer Laboratory Management System1.0Not stated

Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.

How the severity score breaks down

Attack vector
NetworkCan be exploited remotely over a network, including the internet.
Attack complexity
LowNo special conditions are needed; the attack works reliably.
Privileges required
NoneNo account or login is needed.
User interaction
NoneNo action by a victim is required.
Scope
UnchangedImpact stays within the vulnerable component.
Confidentiality
HighAll data handled by the component can be read.
Integrity
HighData or code can be modified at will.
Availability
HighThe component can be taken down completely.

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. Scored by NVD.

Scoring systemScoreSeverityScored by
CVSS 3.17.3HighCNA (vuldb.com)
CVSS 3.19.8CriticalNVD
CVSS 2.07.5HighCNA (vuldb.com)

Official description

A vulnerability classified as critical has been found in SourceCodester Computer Laboratory Management System 1.0. This affects an unknown part of the file config.php. The manipulation of the argument url leads to execution after redirect. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-259497 was assigned to this vulnerability.

Source: the CVE record as published by its numbering authority, via NVD and CVE.org.

The underlying weakness: Always-Incorrect Control Flow Implementation

The code contains a control flow path that does not reflect the algorithm that the path is intended to implement, leading to incorrect behavior any time this path is navigated.

More Always-Incorrect Control Flow Implementation vulnerabilities (CWE-670)

Timeline

  1. CVE record published.
  2. CISA published its SSVC assessment (exploitation: poc, automatable: yes, technical impact: total).
  3. Record last changed materially (score, affected products, status or references).

References

Third-party and government advisories

Technical write-ups (may include proof of concept)

Other references

Other vulnerabilities in Computer Laboratory Management System

All Computer Laboratory Management System vulnerabilities

Recent Always-Incorrect Control Flow Implementation vulnerabilities

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