CVE-2008-3135 in Soldner Secret Wars
Summary
by MITRE
Soldner Secret Wars 33724 and earlier allows remote attackers to cause a denial of service (CPU consumption) via a packet with a large numeric value in a 0x80 data block.
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Analysis
by VulDB Data Team • 11/20/2017
The vulnerability identified as CVE-2008-3135 affects Soldner Secret Wars version 33724 and earlier implementations, representing a significant denial of service weakness that can be exploited remotely through crafted network packets. This vulnerability resides within the game's network protocol handling mechanisms and specifically targets the processing of data blocks with specific numeric values. The flaw manifests when the application receives a packet containing a 0x80 data block with an excessively large numeric value, causing the system to consume excessive cpu resources during processing. This type of vulnerability falls under the category of resource exhaustion attacks that can effectively瘫痪 system operations by consuming available computational resources.
The technical implementation of this vulnerability stems from inadequate input validation within the network packet processing code. When the Soldner Secret Wars client or server receives a malformed packet containing a 0x80 data block with an oversized numeric value, the parsing routine fails to properly validate the data range before attempting to process it. This lack of proper bounds checking creates an exploitable condition where the application enters an infinite loop or performs computationally expensive operations that consume 100% of available cpu cycles. The vulnerability directly relates to CWE-129, which addresses improper validation of array indices, and CWE-131, which covers insufficient storage space allocation. The attack vector is particularly dangerous because it requires no authentication and can be executed from any remote location capable of sending network packets to the affected system.
The operational impact of this vulnerability extends beyond simple service disruption to potentially compromise entire network infrastructure when multiple systems are affected simultaneously. An attacker can maintain sustained denial of service conditions by continuously sending malformed packets, effectively making the affected game server unusable for legitimate players. The vulnerability affects both client and server implementations, meaning that either endpoint can be targeted to cause system-wide disruption. This type of attack aligns with ATT&CK technique T1499.004, which describes network denial of service attacks using resource exhaustion. The sustained cpu consumption can also lead to cascading failures in networked environments where multiple services depend on the affected system, potentially causing broader operational impacts across connected systems.
Mitigation strategies for this vulnerability should include immediate implementation of network filtering rules to block packets containing 0x80 data blocks with suspicious numeric values, along with code-level patches that implement proper input validation and bounds checking. System administrators should deploy intrusion detection systems that can identify and alert on malformed packets matching the vulnerability signature. The most effective long-term solution involves updating to patched versions of Soldner Secret Wars that include proper numeric value validation and implement robust error handling for malformed network data. Additionally, network segmentation and rate limiting can help reduce the impact of such attacks by limiting the number of packets that can be processed within a given timeframe, thereby preventing single attackers from consuming all available resources. Organizations should also implement monitoring solutions that can detect unusual cpu usage patterns that may indicate exploitation attempts.