Apache Dubbo up to 2.6.8/2.7.7 Byte Preamble Flag deserialization

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.0 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Apache Dubbo up to 2.6.8/2.7.7 and classified as critical. Affected by this issue is some unknown functionality of the component Byte Preamble Flag Handler. The manipulation results in deserialization. This vulnerability is identified as CVE-2021-25641. The attack can be executed remotely. There is not any exploit available. It is suggested to upgrade the affected component.
Details
A vulnerability classified as critical has been found in Apache Dubbo up to 2.6.8/2.7.7. Affected is an unknown code of the component Byte Preamble Flag Handler. The manipulation with an unknown input leads to a deserialization vulnerability. CWE is classifying the issue as CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. This is going to have an impact on confidentiality, integrity, and availability.
The weakness was released 06/02/2021. The advisory is available at lists.apache.org. This vulnerability is traded as CVE-2021-25641. The technical details are unknown and an exploit is not available.
Upgrading to version 2.6.9 or 2.7.8 eliminates this vulnerability.
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Product
Vendor
Name
Version
License
Website
- Vendor: https://www.apache.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.3VulDB Meta Temp Score: 7.0
VulDB Base Score: 7.3
VulDB Temp Score: 7.0
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: Dubbo 2.6.9/2.7.8
Timeline
01/20/2021 🔍06/02/2021 🔍
06/02/2021 🔍
06/05/2021 🔍
Sources
Vendor: apache.orgAdvisory: lists.apache.org
Status: Confirmed
CVE: CVE-2021-25641 (🔍)
GCVE (CVE): GCVE-0-2021-25641
GCVE (VulDB): GCVE-100-176166
Entry
Created: 06/02/2021 09:09Updated: 06/05/2021 07:21
Changes: 06/02/2021 09:09 (38), 06/05/2021 07:21 (5)
Complete: 🔍
Cache ID: 216::103
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