CVE-2024-2363 in AIM Triton
Summary
by MITRE • 03/11/2024
** UNSUPPORTED WHEN ASSIGNED ** A vulnerability was found in AOL AIM Triton 1.0.4. It has been declared as problematic. This vulnerability affects unknown code of the component Invite Handler. The manipulation of the argument CSeq leads to denial of service. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. VDB-256318 is the identifier assigned to this vulnerability. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.
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Analysis
by VulDB Data Team • 08/02/2024
The vulnerability identified as CVE-2024-2363 represents a denial of service weakness within AOL AIM Triton 1.0.4 software, specifically affecting the Invite Handler component. This issue stems from improper handling of the CSeq argument during remote attack scenarios, where an attacker can manipulate this sequence number parameter to disrupt system functionality. The vulnerability is classified under CWE-400 as a weakness related to resource management and denial of service conditions. The attack vector is remote, meaning malicious actors can exploit this flaw without physical access to the target system. The fact that this vulnerability has been publicly disclosed and is known to be exploitable significantly increases the risk to affected systems. The vulnerability affects software components that are no longer receiving support or updates from the original maintainer, making remediation challenging for organizations still using these legacy systems.
The technical implementation of this vulnerability involves manipulation of the CSeq parameter which is typically used in session initiation protocol communications to track message sequences. When an attacker sends specially crafted CSeq values to the Invite Handler component, the system fails to properly validate or handle these inputs, leading to system instability and potential complete service disruption. This behavior aligns with ATT&CK technique T1499.004 which covers network denial of service attacks through resource exhaustion or protocol manipulation. The vulnerability's impact extends beyond simple service interruption as it can potentially cause cascading failures within the communication infrastructure that relies on this component. The lack of proper input validation in the Invite Handler component creates a pathway for attackers to exploit the sequence number handling mechanism, resulting in unauthorized disruption of service availability.
Organizations maintaining legacy systems that may still be using AOL AIM Triton 1.0.4 face significant operational risks due to this vulnerability. The unsupported nature of the affected software means that no security patches or updates are available from the vendor, leaving systems exposed to exploitation. The remote exploitability of this vulnerability means that attackers can target these systems from anywhere on the network, potentially affecting enterprise communications infrastructure. The vulnerability's classification as a denial of service issue indicates that the attack primarily aims to make services unavailable rather than to gain unauthorized access or steal data. This makes it particularly dangerous in environments where communication services are critical for business operations. The public disclosure of this exploit further compounds the risk as threat actors can readily implement the attack without requiring specialized knowledge or tools.
Mitigation strategies for this vulnerability are limited due to the unsupported status of the affected software, but several approaches can help reduce risk exposure. Organizations should consider network segmentation to isolate systems running this legacy software from critical infrastructure and user networks. Implementing network monitoring and intrusion detection systems can help identify exploitation attempts targeting this specific vulnerability. The most effective long-term solution involves migrating away from unsupported software to modern communication platforms that receive regular security updates and patches. Security teams should also implement proper access controls and authentication mechanisms to limit who can interact with the vulnerable component. Additionally, organizations should conduct thorough inventory assessments to identify all instances of this software within their network and develop incident response procedures specifically addressing this vulnerability. The vulnerability serves as a reminder of the importance of maintaining supported software versions and the risks associated with continuing to use legacy systems that no longer receive security updates or vendor support.