CVE-2017-5504 : Exploit Details and Defense Strategies
Learn about CVE-2017-5504 affecting JasPer version 1.900.27. Remote attackers can exploit this vulnerability to cause a denial of service by triggering an invalid memory read and system crashes.
CVE-2017-5504 was published on March 1, 2017, and affects JasPer version 1.900.27. The vulnerability in the jpc_undo_roi function in libjasper/jpc/jpc_dec.c can be exploited by remote attackers to cause a denial of service by triggering an invalid memory read, leading to system crashes.
Understanding CVE-2017-5504
This CVE entry highlights a vulnerability in JasPer that can be exploited remotely to disrupt system functionality.
What is CVE-2017-5504?
The vulnerability in the jpc_undo_roi function in JasPer version 1.900.27 allows remote attackers to trigger a denial of service by causing an invalid memory read and system crash through a specially crafted image.
The Impact of CVE-2017-5504
Exploitation of this vulnerability can lead to a denial of service, causing system crashes due to an invalid memory read.
Technical Details of CVE-2017-5504
This section delves into the technical aspects of the CVE.
Vulnerability Description
The vulnerability in JasPer version 1.900.27 lies in the jpc_undo_roi function in libjasper/jpc/jpc_dec.c, enabling remote attackers to execute a denial of service attack by triggering an invalid memory read.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Version: 1.900.27
Exploitation Mechanism
The vulnerability can be exploited remotely by supplying a specially crafted image, which triggers the invalid memory read and subsequent system crash.
Mitigation and Prevention
Protecting systems from CVE-2017-5504 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply patches or updates provided by the vendor to address the vulnerability.
- Implement network security measures to prevent remote exploitation.
Long-Term Security Practices
- Regularly update software and systems to mitigate known vulnerabilities.
- Conduct security assessments and penetration testing to identify and address potential weaknesses.
Patching and Updates
- Stay informed about security advisories and updates from JasPer or relevant vendors.
- Apply patches promptly to ensure systems are protected against known vulnerabilities.