Web-Based Student Clearance System: Improper Neutralization
CVE-2022-3414 is a critical-severity improper neutralization vulnerability in Web-Based Student Clearance 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. There is no confirmed exploitation so far. EPSS estimates a 0.69% chance of exploitation within 30 days, higher than 53% of scored CVEs.
Critical severity: a successful attack would have severe impact.
What to do
- Check which version of Web-Based Student Clearance System you run against the affected versions below, and install the vendor's latest release.
- Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| SourceCodester | Web-Based Student Clearance System | Not specified in the record | Not 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 system | Score | Severity | Scored by |
|---|---|---|---|
| CVSS 3.1 | 5.0 | Medium | CNA (vuldb.com) |
| CVSS 3.1 | 9.8 | Critical | NVD |
Official description
A vulnerability was found in SourceCodester Web-Based Student Clearance System. It has been classified as critical. Affected is an unknown function of the file /Admin/login.php of the component POST Parameter Handler. The manipulation of the argument txtusername leads to sql injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. VDB-210246 is the identifier assigned to this vulnerability.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Improper Neutralization
The product does not ensure or incorrectly ensures that structured messages or data are well-formed and that certain security properties are met before being used when received from an upstream component, or before being sent to a downstream component.
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: poc, automatable: no, technical impact: partial).
- Record last changed materially (score, affected products, status or references).
References
Third-party and government advisories
- vuldb.com/?id.210246Third Party Advisory
Technical write-ups (may include proof of concept)
- jianshu.com/p/8f7b7b532c02Exploit, Third Party Advisory
Other vulnerabilities in Web-Based Student Clearance System
- 7.2 High severity
- 9.8 Critical severity
- 8.8 High severity
- 7.5 High severity
Recent Improper Neutralization vulnerabilities
- 9.8 Critical severity
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