CVE-2018-11724 : Exploit Details and Defense Strategies
Learn about CVE-2018-11724, a vulnerability in Libmobi 0.3 that allows remote attackers to trigger a heap-based buffer overflow via a crafted mobi file, potentially leading to denial of service or other impacts. Find mitigation steps and prevention measures here.
A crafted mobi file can lead to a denial of service or other unknown consequences through the mobi_pk1_decrypt function in encryption.c in Libmobi 0.3 due to a heap-based buffer overflow.
Understanding CVE-2018-11724
The mobi_pk1_decrypt function in encryption.c in Libmobi 0.3 allows remote attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact via a crafted mobi file.
What is CVE-2018-11724?
The vulnerability in Libmobi 0.3 can be exploited by a crafted mobi file to trigger a heap-based buffer overflow, potentially leading to a denial of service or other unknown impacts.
The Impact of CVE-2018-11724
- Attackers can exploit this vulnerability remotely to cause a denial of service or potentially achieve other unspecified impacts.
Technical Details of CVE-2018-11724
The technical details of the vulnerability in Libmobi 0.3 are as follows:
Vulnerability Description
- The mobi_pk1_decrypt function in encryption.c in Libmobi 0.3 is susceptible to a heap-based buffer overflow.
Affected Systems and Versions
- Product: N/A
- Vendor: N/A
- Version: N/A
Exploitation Mechanism
- Attackers can exploit this vulnerability by using a crafted mobi file to trigger the heap-based buffer overflow in the mobi_pk1_decrypt function.
Mitigation and Prevention
It is crucial to take immediate steps and implement long-term security practices to mitigate the risks associated with CVE-2018-11724.
Immediate Steps to Take
- Avoid opening or accessing suspicious or untrusted mobi files.
- Implement file integrity checks to detect any malicious modifications.
- Consider using alternative file formats until a patch is available.
Long-Term Security Practices
- Regularly update software and applications to patch known vulnerabilities.
- Conduct security assessments and audits to identify and address potential weaknesses.
- Educate users about safe file handling practices to prevent exploitation.
Patching and Updates
- Stay informed about security updates and patches released by Libmobi to address CVE-2018-11724.