CVE-2018-11433 : Security Advisory and Response

CVE-2018-11433 was published on May 30, 2018, and involves a vulnerability in Libmobi 0.3 that can lead to information disclosure through a crafted mobi file. Remote attackers can exploit this flaw, potentially causing a heap-based buffer over-read.

Understanding CVE-2018-11433

This section provides insights into the nature and impact of the CVE-2018-11433 vulnerability.

What is CVE-2018-11433?

The vulnerability in Libmobi 0.3, tracked as CVE-2018-11433, allows remote attackers to trigger information disclosure by exploiting a heap-based buffer over-read using a specially crafted mobi file.

The Impact of CVE-2018-11433

The vulnerability enables remote attackers to exploit Libmobi 0.3, potentially leading to information disclosure. By leveraging this flaw, attackers can execute remote attacks, compromising the confidentiality of data.

Technical Details of CVE-2018-11433

Explore the technical aspects and implications of CVE-2018-11433.

Vulnerability Description

The vulnerability resides in the mobi_get_kf8boundary_seqnumber function in util.c within Libmobi 0.3. Attackers can exploit this flaw to cause information disclosure through a crafted mobi file, resulting in a heap-based buffer over-read.

Affected Systems and Versions

Affected Versions: Libmobi 0.3
Systems: Any system utilizing Libmobi 0.3

Exploitation Mechanism

Attackers can exploit CVE-2018-11433 by crafting a malicious mobi file to trigger the heap-based buffer over-read in the mobi_get_kf8boundary_seqnumber function.

Mitigation and Prevention

Learn how to mitigate the risks associated with CVE-2018-11433.

Immediate Steps to Take

Update Libmobi to a patched version or apply vendor-supplied fixes.
Avoid opening mobi files from untrusted or unknown sources.

Long-Term Security Practices

Regularly update software and libraries to prevent known vulnerabilities.
Implement network security measures to detect and block malicious activities.

Patching and Updates

Stay informed about security updates for Libmobi and apply patches promptly to address CVE-2018-11433.