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CVE-2025-49455: CWE-502 Deserialization of Untrusted Data in LoftOcean TinySalt

Critical
VulnerabilityCVE-2025-49455cvecve-2025-49455cwe-502
Published: Tue Jun 10 2025 (06/10/2025, 12:43:42 UTC)
Source: CVE Database V5
Vendor/Project: LoftOcean
Product: TinySalt

Description

Deserialization of Untrusted Data vulnerability in LoftOcean TinySalt allows Object Injection.This issue affects TinySalt: from n/a before 3.10.0.

AI-Powered Analysis

AILast updated: 07/11/2025, 01:48:15 UTC

Technical Analysis

CVE-2025-49455 is a critical security vulnerability identified in LoftOcean's TinySalt product, specifically involving the deserialization of untrusted data, classified under CWE-502. Deserialization vulnerabilities occur when an application deserializes data from untrusted sources without sufficient validation, allowing attackers to manipulate serialized objects to execute arbitrary code or cause other malicious effects. In this case, the vulnerability permits object injection, which can lead to remote code execution, complete compromise of confidentiality, integrity, and availability of the affected system. The CVSS v3.1 score of 9.8 (critical) reflects the severity, with an attack vector of network (AV:N), low attack complexity (AC:L), no privileges required (PR:N), and no user interaction needed (UI:N). The scope is unchanged (S:U), but the impact on confidentiality, integrity, and availability is high (C:H/I:H/A:H). The vulnerability affects all versions of TinySalt prior to 3.10.0, though the exact affected versions are not specified beyond 'n/a before 3.10.0'. No patches or known exploits in the wild are currently reported, but the critical nature of the flaw demands immediate attention. The vulnerability allows attackers to send specially crafted serialized data to the TinySalt service, which upon deserialization, can trigger malicious object injection, potentially leading to remote code execution or other severe impacts. This type of vulnerability is particularly dangerous because it does not require authentication or user interaction, enabling attackers to exploit it remotely and autonomously.

Potential Impact

For European organizations using LoftOcean TinySalt, this vulnerability poses a significant risk. TinySalt is presumably used for cryptographic or security-related functions given the product name and vendor profile, so compromise could lead to exposure of sensitive cryptographic keys, credentials, or other critical data. The ability to execute arbitrary code remotely could allow attackers to pivot within networks, exfiltrate data, disrupt services, or deploy ransomware. Given the high CVSS score and the lack of required privileges or user interaction, the threat surface is broad. Organizations in sectors such as finance, healthcare, government, and critical infrastructure in Europe could face severe operational and reputational damage if exploited. Additionally, the vulnerability could undermine trust in security products and lead to regulatory penalties under GDPR if personal data is compromised. The absence of known exploits in the wild does not reduce urgency, as the vulnerability is straightforward to exploit remotely and could be weaponized rapidly once proof-of-concept code is developed.

Mitigation Recommendations

Immediate mitigation steps include upgrading TinySalt to version 3.10.0 or later once available, as this version presumably contains the fix. Until a patch is released, organizations should implement network-level controls to restrict access to TinySalt services, such as firewall rules limiting inbound connections to trusted IPs and VPN-only access. Employing application-layer filtering or web application firewalls (WAFs) capable of detecting and blocking suspicious serialized payloads can provide temporary protection. Monitoring network traffic for anomalous serialized data patterns and enabling detailed logging on TinySalt services will aid in early detection of exploitation attempts. Organizations should also conduct thorough audits of systems running TinySalt to identify any signs of compromise. Security teams must prioritize vulnerability scanning and asset inventory to ensure all instances of TinySalt are identified and remediated promptly. Finally, educating developers and administrators about the risks of deserialization vulnerabilities and enforcing secure coding practices to validate and sanitize serialized data inputs will help prevent similar issues in the future.

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Technical Details

Data Version
5.1
Assigner Short Name
Patchstack
Date Reserved
2025-06-04T15:44:57.577Z
Cvss Version
3.1
State
PUBLISHED

Threat ID: 68487f581b0bd07c3938a8e7

Added to database: 6/10/2025, 6:54:16 PM

Last enriched: 7/11/2025, 1:48:15 AM

Last updated: 7/30/2025, 4:15:28 PM

Views: 10

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