CVE-2018-19517 : Vulnerability Insights and Analysis

A vulnerability was found in sysstat 12.1.1. The remap_struct function in sa_common.c exhibits an out-of-bounds read in a memset operation, as observed in the case of sadf.

Understanding CVE-2018-19517

An issue was discovered in sysstat 12.1.1. The remap_struct function in sa_common.c has an out-of-bounds read during a memset call, as demonstrated by sadf.

What is CVE-2018-19517?

CVE-2018-19517 is a vulnerability in sysstat 12.1.1, specifically in the remap_struct function in sa_common.c. This vulnerability leads to an out-of-bounds read during a memset operation.

The Impact of CVE-2018-19517

The vulnerability allows for potential exploitation by attackers to read out-of-bounds memory, which could lead to sensitive data exposure or system crashes.

Technical Details of CVE-2018-19517

The technical details of CVE-2018-19517 are as follows:

Vulnerability Description

The remap_struct function in sa_common.c in sysstat 12.1.1 experiences an out-of-bounds read during a memset operation, as seen in the case of sadf.

Affected Systems and Versions

Affected Version: sysstat 12.1.1
Systems: Not specified

Exploitation Mechanism

The vulnerability can be exploited by triggering the out-of-bounds read in the remap_struct function, potentially leading to unauthorized access or system instability.

Mitigation and Prevention

To address CVE-2018-19517, the following steps can be taken:

Immediate Steps to Take

Apply patches or updates provided by the vendor.
Monitor system logs for any unusual activities.

Long-Term Security Practices

Regularly update software and systems to the latest versions.
Implement access controls and restrictions to limit potential attack surfaces.

Patching and Updates

Stay informed about security advisories from the sysstat project.
Apply patches promptly to mitigate the risk of exploitation.