BDew BdLib up to 1.16.1.6 on Minecraft ObjectInputStream.readObject deserialization
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.0 | $0-$5k | 0.00 |
Summary
A vulnerability classified as critical was found in BDew BdLib up to 1.16.1.6 on Minecraft. This affects the function ObjectInputStream.readObject. Such manipulation leads to deserialization.
This vulnerability is listed as CVE-2021-33806. The attack may be performed from remote. There is no available exploit.
Upgrading the affected component is advised.
Details
A vulnerability was found in BDew BdLib up to 1.16.1.6 on Minecraft and classified as critical. Affected by this issue is the function ObjectInputStream.readObject. The manipulation with an unknown input leads to a deserialization vulnerability. Using CWE to declare the problem leads to CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. Impacted is confidentiality, integrity, and availability.
The weakness was presented 06/03/2021. The advisory is shared for download at vuln.ryotak.me. This vulnerability is handled as CVE-2021-33806. There are known technical details, but no exploit is available.
Upgrading to version 1.16.1.7 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.3VulDB Meta Temp Score: 6.0
VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: DeserializationCWE: CWE-502 / CWE-20
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: BdLib 1.16.1.7
Patch: github.com
Timeline
06/03/2021 🔍06/03/2021 🔍
06/03/2021 🔍
06/07/2021 🔍
Sources
Advisory: vuln.ryotak.meStatus: Confirmed
Confirmation: 🔍
CVE: CVE-2021-33806 (🔍)
GCVE (CVE): GCVE-0-2021-33806
GCVE (VulDB): GCVE-100-176288
Entry
Created: 06/03/2021 19:13Updated: 06/07/2021 13:06
Changes: 06/03/2021 19:13 (40), 06/07/2021 13:06 (6)
Complete: 🔍
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
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