CVE-2008-3522 in Jasper
Summary
by MITRE
Buffer overflow in the jas_stream_printf function in libjasper/base/jas_stream.c in JasPer 1.900.1 might allow context-dependent attackers to have an unknown impact via vectors related to the mif_hdr_put function and use of vsprintf.
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Analysis
by VulDB Data Team • 08/21/2019
The vulnerability identified as CVE-2008-3522 represents a critical buffer overflow flaw within the JasPer library version 1.900.1, specifically within the jas_stream_printf function located in libjasper/base/jas_stream.c. This issue arises from improper handling of formatted string operations that utilize the dangerous vsprintf function, creating a pathway for attackers to exploit memory corruption vulnerabilities. The vulnerability manifests when the mif_hdr_put function processes input data, allowing malicious actors to manipulate the flow of execution and potentially execute arbitrary code within the context of the affected application.
The technical nature of this vulnerability stems from the use of unsafe string handling practices where the jas_stream_printf function fails to properly validate input lengths before performing string formatting operations. When the mif_hdr_put function processes structured data containing maliciously crafted input, the vsprintf function call does not enforce bounds checking on the destination buffer, leading to a classic buffer overflow condition. This flaw operates under the Common Weakness Enumeration category CWE-121, which classifies buffer overflow conditions that occur when insufficient bounds checking is performed during string operations. The vulnerability is particularly concerning because it allows context-dependent attackers to potentially manipulate memory layout and execute arbitrary code, making it a prime target for exploitation in security attacks.
The operational impact of this vulnerability extends beyond simple memory corruption, as it can enable attackers to gain unauthorized access to systems running applications that utilize the vulnerable JasPer library. Since the vulnerability is triggered through formatted string operations within image processing workflows, it can be exploited through maliciously crafted image files that are processed by applications using JasPer. This creates a significant risk in environments where image processing is common, such as web applications, digital asset management systems, and multimedia processing platforms. The unknown impact mentioned in the original description suggests that the full scope of potential consequences may include privilege escalation, denial of service, or complete system compromise depending on the execution context and target application.
Mitigation strategies for CVE-2008-3522 should prioritize immediate patching of affected JasPer library versions to the latest secure releases that address the buffer overflow condition. Organizations must conduct comprehensive vulnerability assessments to identify all applications and systems that depend on JasPer library versions prior to 1.900.1, particularly those handling untrusted image data. The remediation approach should include implementing proper input validation mechanisms and replacing vulnerable vsprintf calls with safer alternatives such as vsnprintf that enforce buffer size limitations. Additionally, application developers should consider implementing address space layout randomization and stack canaries to provide additional defense-in-depth measures against exploitation attempts. Security teams should also monitor for exploitation attempts through network traffic analysis and system logs, as the vulnerability may manifest through unusual memory access patterns or application crashes during image processing operations. The ATT&CK framework categorizes this vulnerability under the T1059 technique for command and scripting interpreter, as exploitation may involve injection of malicious code through the buffer overflow condition.