CVE-2023-51257 in jasper
Summary
by MITRE • 01/16/2024
An invalid memory write issue in Jasper-Software Jasper v.4.1.1 and before allows a local attacker to execute arbitrary code.
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Analysis
by VulDB Data Team • 06/16/2025
The vulnerability identified as CVE-2023-51257 represents a critical memory safety issue within Jasper-Software Jasper version 4.1.1 and earlier releases. This flaw manifests as an invalid memory write condition that can be exploited by local attackers to achieve arbitrary code execution within the target system. The vulnerability resides in the software's memory management mechanisms, where improper bounds checking or memory allocation handling allows malicious code to overwrite memory locations beyond allocated buffers. Such issues typically arise from insufficient validation of input parameters or inadequate boundary checks during memory operations, creating opportunities for attackers to manipulate program execution flow through carefully crafted inputs.
The technical exploitation of this vulnerability follows a classic memory corruption pattern that aligns with CWE-787, which describes out-of-bounds write vulnerabilities. Attackers can leverage this flaw by crafting specific inputs that cause the application to write data beyond the intended memory boundaries, potentially overwriting critical program variables, function pointers, or return addresses. This type of vulnerability is particularly dangerous in local attack scenarios where the attacker already has system access, as it can be used to escalate privileges or inject malicious code directly into the running process. The exploitation process typically involves identifying memory layout patterns, determining the offset required to overwrite target memory locations, and crafting payloads that can successfully execute arbitrary instructions within the context of the vulnerable application.
From an operational perspective, this vulnerability poses significant risks to systems running affected Jasper software versions, particularly in enterprise environments where local privilege escalation can lead to complete system compromise. The local nature of the attack means that an attacker must already have access to the system, but once exploited, the arbitrary code execution capability can be leveraged to establish persistent access, exfiltrate sensitive data, or deploy additional malicious tools. The impact extends beyond immediate system compromise as attackers can use this vulnerability as a foothold for broader network infiltration, especially in scenarios where the compromised system has elevated privileges or access to sensitive network resources. Organizations running affected software versions face potential data breaches, system availability disruption, and compliance violations that could result in substantial financial and reputational damage.
Security mitigations for CVE-2023-51257 should prioritize immediate software updates to versions that have addressed the memory write vulnerability. System administrators should implement comprehensive patch management processes to ensure all affected systems receive updates promptly. Additional protective measures include implementing application whitelisting to restrict execution of unauthorized code, enabling address space layout randomization to make exploitation more difficult, and deploying intrusion detection systems to monitor for suspicious memory access patterns. The vulnerability also highlights the importance of code review practices and static analysis tools that can identify similar memory safety issues before they can be exploited. Organizations should conduct thorough vulnerability assessments to identify all instances of the affected software and implement layered security controls that reduce the attack surface and limit potential impact if exploitation occurs. This vulnerability serves as a reminder of the critical importance of maintaining up-to-date software and implementing robust memory safety practices in application development.