CVE-2020-4261 in i2 Intelligent Analyis Platform
Summary
by MITRE
IBM i2 Intelligent Analyis Platform 9.2.1 could allow a local attacker to execute arbitrary code on the system, caused by a memory corruption. By persuading a victim to open a specially-crafted file, an attacker could exploit this vulnerability to execute arbitrary code on the system. IBM X-Force ID: 175644.
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Analysis
by VulDB Data Team • 10/18/2020
The vulnerability identified as CVE-2020-4261 affects IBM i2 Intelligent Analysis Platform version 9.2.1, representing a critical memory corruption flaw that enables local code execution. This vulnerability stems from improper memory handling within the platform's file processing mechanisms, specifically when handling specially crafted input files. The flaw exists in the application's ability to parse and process external data without adequate validation, creating a pathway for malicious actors to manipulate memory structures and execute arbitrary code with the privileges of the targeted user. The vulnerability's classification as a local attack vector indicates that exploitation requires the attacker to already have access to the system, typically through user interaction with malicious content.
The technical exploitation of this vulnerability involves crafting a malicious file that, when opened by an unsuspecting user, triggers a memory corruption condition within the IBM i2 platform. This memory corruption typically manifests as buffer overflows, heap corruption, or other memory management flaws that allow attackers to overwrite critical memory locations and redirect program execution flow. The attack leverages the platform's file parsing functionality to inject malicious code into the execution context, potentially leading to full system compromise. This type of vulnerability aligns with CWE-121, which describes heap-based buffer overflow conditions, and CWE-125, which covers out-of-bounds read conditions that can lead to memory corruption.
The operational impact of CVE-2020-4261 extends beyond simple code execution, as it can enable attackers to escalate privileges, access sensitive data, and potentially establish persistent access within the targeted environment. Organizations using IBM i2 Intelligent Analysis Platform face significant risk from this vulnerability, particularly in environments where users may encounter untrusted files or where the platform processes external data feeds. The vulnerability's exploitation requires social engineering to convince victims to open malicious files, but once successful, it provides attackers with a powerful foothold for further reconnaissance and attack progression. This vulnerability directly maps to attack techniques described in the MITRE ATT&CK framework under T1059 for command and scripting interpreter and T1068 for exploit for privilege escalation.
Mitigation strategies for this vulnerability should focus on immediate patch application from IBM, as the vendor has released security updates addressing the memory corruption flaw. Organizations should implement strict file validation policies and user education programs to reduce the risk of exploitation through social engineering attacks. Network segmentation and privilege separation can help limit the potential damage if exploitation occurs. Additionally, monitoring for unusual process execution patterns and file access behaviors can aid in detecting potential exploitation attempts. Regular security assessments and vulnerability scanning should be conducted to identify similar memory corruption vulnerabilities in other applications and systems within the organization's infrastructure.