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CVE-2017-3203— Pivotal/Spring Spring-flex's Action Message Format (AMF3) Java implementation is vulnerable to insecure deserialization

Quick assessment

Affected
Pivotal/Spring Spring-flex
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Pivotal Spring Flex是美国Pivotal Software公司的一款集成BlazeDS用于远程处理和消息传递的客户端。 Pivotal Spring Flex中存在远程代码执行漏洞。远程攻击者可利用该漏洞在受影响应用程序上下文中执行任意代码，造成拒绝服务。

AI Predicted 9.8 Difficulty: Moderate EPSS 6.23% · P94

Possible ATT&CK Techniques 1 AI

T1204 · User Execution
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I. Basic Information for CVE-2017-3203

Vulnerability Information
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Vulnerability Title
Pivotal/Spring Spring-flex's Action Message Format (AMF3) Java implementation is vulnerable to insecure deserialization
Source: CVE Program / CVE List V5
Vulnerability Description
The Java implementations of AMF3 deserializers in Pivotal/Spring Spring-flex derive class instances from java.io.Externalizable rather than the AMF3 specification's recommendation of flash.utils.IExternalizable. A remote attacker with the ability to spoof or control an RMI server connection may be able to send serialized Java objects that execute arbitrary code when deserialized.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
可信数据的反序列化
Source: CVE Program / CVE List V5
Vulnerability Title
Pivotal Spring Flex 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Pivotal Spring Flex是美国Pivotal Software公司的一款集成BlazeDS用于远程处理和消息传递的客户端。 Pivotal Spring Flex中存在远程代码执行漏洞。远程攻击者可利用该漏洞在受影响应用程序上下文中执行任意代码，造成拒绝服务。
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
Pivotal/Spring Spring-flex 0 -

II. Public POCs for CVE-2017-3203

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III. Intelligence Information for CVE-2017-3203

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Vendor Advisories for CVE-2017-3203 (2)

News Coverage for CVE-2017-3203 (1)

Other References for CVE-2017-3203 (1)

IV. Related Vulnerabilities

Same weakness: CWE-502