CVE-2015-8869 in OCamel
Summary
by MITRE
OCamel before 4.03.0 does not properly handle sign extensions, which allows remote attackers to conduct buffer overflow attacks or obtain sensitive information as demonstrated by a long string to the String.copy function.
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Analysis
by VulDB Data Team • 08/23/2022
The vulnerability identified as CVE-2015-8869 affects OCamel versions prior to 4.03.0 and represents a critical security flaw in the handling of data type conversions within the programming environment. This issue stems from improper management of sign extension operations that occur during data processing, creating a pathway for malicious actors to exploit buffer overflow conditions. The vulnerability specifically manifests when the String.copy function receives excessively long input strings, allowing attackers to manipulate memory layout and potentially execute arbitrary code or extract confidential information from system memory.
The technical root cause of this vulnerability lies in the improper implementation of sign extension handling within OCamel's runtime environment. When processing string data that exceeds expected buffer boundaries, the system fails to correctly manage the conversion between signed and unsigned integer representations, leading to predictable memory corruption patterns. This flaw operates at the intersection of multiple security domains including buffer management, integer overflow handling, and memory safety mechanisms. The vulnerability is categorized under CWE-129 as an Improper Validation of Array Index, while also relating to CWE-191 as an Integer Underflow or Wraparound, and CWE-787 as an Out-of-bounds Write, making it a complex multi-layered security issue that affects both the integrity and confidentiality of affected systems.
The operational impact of CVE-2015-8869 extends beyond simple buffer overflow exploitation to encompass potential information disclosure scenarios that could expose sensitive data. Remote attackers can leverage this vulnerability to conduct sophisticated attacks that may result in complete system compromise, particularly when the affected OCamel applications process untrusted input data. The attack vector requires minimal privileges and can be executed over network connections, making it particularly dangerous for web applications and services that utilize OCamel for string processing operations. Systems running vulnerable versions of OCamel are at risk of unauthorized data access, code execution, and potential denial of service conditions that could disrupt business operations and compromise enterprise security postures.
Mitigation strategies for CVE-2015-8869 primarily focus on immediate version upgrades to OCamel 4.03.0 or later releases that contain proper sign extension handling mechanisms. Organizations should implement comprehensive input validation procedures that enforce strict length limitations on string processing operations, particularly when dealing with user-supplied data. Network segmentation and application firewalls can provide additional protective layers by limiting exposure to vulnerable endpoints. Security monitoring should include detection of unusual string processing patterns and potential exploitation attempts through log analysis of application behavior. The ATT&CK framework categorizes this vulnerability under T1059.007 for Command and Scripting Interpreter and T1203 for Exploitation for Client Execution, emphasizing the need for layered defensive measures that address both the immediate vulnerability and broader attack surface considerations. Regular security assessments and vulnerability scanning should be implemented to identify any remaining instances of vulnerable software within organizational infrastructure.