CVE-2021-43297 — Deserialization of Untrusted Data in...

CRITICAL

Deserialization of Untrusted Data in Dubbo

Published January 12, 2022Updated November 8, 2023Source: osv

Summary

A deserialization vulnerability existed in dubbo hessian-lite 3.2.11 and its earlier versions, which could lead to malicious code execution. Most Dubbo users use Hessian2 as the default serialization/deserialization protocol, during Hessian catch unexpected exceptions, Hessian will log out some imformation for users, which may cause remote command execution. This issue affects Apache Dubbo Apache Dubbo 2.6.x versions prior to 2.6.12; Apache Dubbo 2.7.x versions prior to 2.7.15; Apache Dubbo 3.0.x versions prior to 3.0.5.

Advisory Timeline

First published January 12, 2022 (1734 days ago).
Last revised November 8, 2023 — 664 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

Maven

Update org.apache.dubbo:dubbo to 2.7.15 or later

<!-- Update pom.xml dependency version to 2.7.15 for org.apache.dubbo:dubbo -->

Maven

Update org.apache.dubbo:dubbo to 2.6.12 or later

<!-- Update pom.xml dependency version to 2.6.12 for org.apache.dubbo:dubbo -->

Maven

Update org.apache.dubbo:dubbo to 3.0.5 or later

<!-- Update pom.xml dependency version to 3.0.5 for org.apache.dubbo:dubbo -->

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (3)

Affects 1 ecosystem: maven (1).

Package	Ecosystem	Affected	Fixed In
org.apache.dubbo:dubbo	maven	2.7.0, 2.7.1, 2.7.10, 2.7.11 (+12 more)	2.7.15
org.apache.dubbo:dubbo	maven	All versions	2.6.12
org.apache.dubbo:dubbo	maven	3.0.0, 3.0.0.preview, 3.0.1, 3.0.2 (+3 more)	3.0.5

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

CWE-502
Deserialization of Untrusted DataMITRE

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 9.8 score means for each attack dimension.

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Frequently Asked Questions

What is CVE-2021-43297?: Deserialization of Untrusted Data in Dubbo This vulnerability has been assigned a severity rating of CRITICAL (CVSS score: 9.8/10).
How do I check if my project is affected by CVE-2021-43297?: CVE-2021-43297 affects org.apache.dubbo:dubbo. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2021-43297 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score

9.8

Exploitation is straightforward and causes maximum impact. Patch immediately.

Also Known As

GHSA-vp5x-3v8r-qprw

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