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CVE-2022-42920— Apache Commons BCEL prior to 6.6.0 allows producing arbitrary bytecode via out-of-bounds writing

Quick assessment

Affected
Apache Software Foundation Apache Commons BCEL
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Apache Commons BCEL是美国阿帕奇（Apache）基金会的一个字节代码工程库。旨在为用户提供分析、创建和操作（二进制）Java类的便捷方式。 Apache Commons BCEL存在缓冲区错误漏洞，该漏洞源于存在越界写入问题，导致API可以用于生成任意字节码。

AI Predicted 8.6 Difficulty: Moderate EPSS 3.01% · P87
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I. Basic Information for CVE-2022-42920

Vulnerability Information
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Vulnerability Title
Apache Commons BCEL prior to 6.6.0 allows producing arbitrary bytecode via out-of-bounds writing
Source: CVE Program / CVE List V5
Vulnerability Description
Apache Commons BCEL has a number of APIs that would normally only allow changing specific class characteristics. However, due to an out-of-bounds writing issue, these APIs can be used to produce arbitrary bytecode. This could be abused in applications that pass attacker-controllable data to those APIs, giving the attacker more control over the resulting bytecode than otherwise expected. Update to Apache Commons BCEL 6.6.0.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存写
Source: CVE Program / CVE List V5
Vulnerability Title
Apache Commons BCEL 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache Commons BCEL是美国阿帕奇（Apache）基金会的一个字节代码工程库。旨在为用户提供分析、创建和操作（二进制）Java类的便捷方式。 Apache Commons BCEL存在缓冲区错误漏洞，该漏洞源于存在越界写入问题，导致API可以用于生成任意字节码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Apache Software Foundation Apache Commons BCEL Apache Commons BCEL ~ 6.6.0 -

II. Public POCs for CVE-2022-42920

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III. Intelligence Information for CVE-2022-42920

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Vendor Advisories for CVE-2022-42920 (1)

Mailing List Discussions for CVE-2022-42920 (5)

Same Patch Batch · Apache Software Foundation · 2022-11-07 · 3 CVEs total

CVE-2022-37865 Apache Ivy allows creating/overwriting any file on the system
CVE-2022-37866 Apache Ivy allows path traversal in the presence of a malicious repository

IV. Related Vulnerabilities

Same vendor: Apache Software Foundation
Same weakness: CWE-787

V. Comments for CVE-2022-42920

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