CVE-2019-5289 in ManageOne
Summary
by MITRE
Gauss100 OLTP database in ManageOne with versions of 6.5.0 have an out-of-bounds read vulnerability due to the insufficient checks of the specific packet length. Attackers can construct invalid packets to attack the active and standby communication channels. Successful exploit of this vulnerability could allow the attacker to crash the database on the standby node.
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Analysis
by VulDB Data Team • 02/14/2024
The Gauss100 OLTP database system within Huawei ManageOne platform version 6.5.0 contains a critical out-of-bounds read vulnerability that stems from inadequate validation of packet length parameters during network communication processing. This vulnerability resides in the inter-node communication protocols that facilitate active and standby database node coordination, creating a fundamental security flaw in the distributed database architecture. The issue manifests when the system fails to properly validate incoming packet structures, allowing maliciously crafted data to bypass normal input sanitization procedures and access memory regions beyond the intended buffer boundaries.
This vulnerability operates at the network protocol level where the database communication channels process incoming data packets from both active and standby nodes. The insufficient input validation occurs during the packet parsing phase, where the system assumes all incoming data conforms to expected formats without proper boundary checking. When attackers craft invalid packets with malformed length fields or oversized data payloads, the system's memory access routines attempt to read beyond allocated buffer limits, potentially triggering memory corruption conditions. The vulnerability specifically affects the standby node communication channel, which maintains synchronization with the active node through regular data exchange protocols, making it a critical attack vector for database availability compromise.
The operational impact of this vulnerability extends beyond simple system crashes to encompass potential data integrity risks and service disruption in production environments. Successful exploitation allows attackers to remotely crash the standby database node, which could trigger automatic failover mechanisms and temporarily disrupt database operations. This creates a scenario where the database system experiences unexpected downtime while attempting to recover from the failed standby node, potentially leading to data inconsistency issues and service degradation. The vulnerability affects the high availability features of the Gauss100 system, undermining the reliability guarantees that organizations expect from their database infrastructure, particularly in mission-critical applications where continuous availability is paramount.
The technical implementation of this vulnerability aligns with CWE-125, which describes out-of-bounds read conditions in software systems, and represents a classic example of insufficient input validation that enables memory corruption attacks. From an attack framework perspective, this vulnerability maps to multiple ATT&CK techniques including T1059 for command and script execution and T1499 for endpoint disruption through system resource exhaustion. Organizations should implement immediate network segmentation to isolate database communication channels, deploy intrusion detection systems to monitor for malformed packet patterns, and apply the vendor-provided patches to address the underlying input validation flaws. Additionally, regular security assessments of database communication protocols and implementation of robust memory protection mechanisms such as stack canaries and address space layout randomization should be considered as part of comprehensive mitigation strategies to prevent similar vulnerabilities from compromising database system integrity and availability.