CVE-2023-33668
Published: 12 July 2023
Summary
CVE-2023-33668 is a critical-severity Improper Validation of Integrity Check Value (CWE-354) vulnerability in Digiexam Digiexam. Its CVSS base score is 9.8 (Critical).
Operationally, ranked in the top 23.3% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-37824
Vulnerability details
DigiExam up to v14.0.2 lacks integrity checks for native modules, allowing attackers to access PII and takeover accounts on shared computers.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
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.
Proper validation of integrity check values is required for reliable tamper detection, directly reducing undetected modification risks.
Requires validation of integrity check values on every resolution response, directly mitigating tampered or corrupted DNS data.
Control mandates proper validation of integrity values (checksums) on prepared data, making flawed validation of those checks ineffective for attackers.
Requires use of proper integrity verification tools, reducing the chance an incorrect check value is accepted.
Requires proper validation of integrity mechanisms, directly mitigating flawed check-value handling.