CVE intelligence and bounded remediation
CVE-2024-6944 — A vulnerability was found in ZhongBangKeJi CRMEB up to 5.4.0 and classified as critical
A vulnerability was found in ZhongBangKeJi CRMEB up to 5.4.0 and classified as critical. Affected by this issue is the function get_image_base64 of the file PublicController.php. The manipulation of the argument file leads to deserialization. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-272066 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
- Severity
- High
- CVSS
- 7.5 (3.1)
- Published
- 2024-07-21
- CISA KEV
- Not currently listed
- Ecosystem
- software/application
- Weaknesses
- CWE-502
Affected products
- crmeb / crmeb
Matched remediation archetype
Unsafe deserialization and object reconstruction
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Check exposure
- Inventory serialization formats accepted from requests, queues, caches, files, cookies, and cross-service messages.
- Trace whether untrusted input can select classes, types, callbacks, constructors, or object hooks during decoding.
- Identify signing, schema validation, trust-boundary, and compatibility settings for each decoder.
Remediate safely
- Replace native object deserialization with a data-only format and explicit schema validation.
- If replacement is not immediate, use a safe decoder with a minimal type allowlist and disable polymorphic or executable hooks.
- Update the affected library and add inert tests for unknown types, extra fields, malformed nesting, and unsigned data.
Authoritative sources
Complete CVE record and remediation plan
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