Learn about CVE-2021-29112, an out-of-bounds read vulnerability in Esri ArcReader 10.8.1 and earlier versions, allowing unauthenticated attackers to disclose sensitive information.
An out-of-bounds read vulnerability exists in Esri ArcReader 10.8.1 (and earlier versions) when parsing a specially crafted file. This vulnerability could be exploited by an unauthenticated attacker to disclose sensitive information.
Understanding CVE-2021-29112
This CVE involves an out-of-bounds read vulnerability in Esri ArcReader, potentially leading to information disclosure.
What is CVE-2021-29112?
CVE-2021-29112 is an out-of-bounds read vulnerability in Esri ArcReader 10.8.1 and earlier versions. It allows an unauthenticated attacker to induce an information disclosure issue.
The Impact of CVE-2021-29112
The impact of this vulnerability is rated as low severity. However, it could lead to unauthorized access to sensitive information in the context of the current user.
Technical Details of CVE-2021-29112
This section covers specific technical details of the vulnerability.
Vulnerability Description
The vulnerability arises when the application parses a specially crafted file, triggering an out-of-bounds read issue.
Affected Systems and Versions
Esri ArcReader versions earlier than 10.8.2 running on x86 Windows platforms are affected by this vulnerability.
Exploitation Mechanism
An unauthenticated attacker can exploit this vulnerability by tricking a user into opening a malicious file, leading to an out-of-bounds read and potential information disclosure.
Mitigation and Prevention
To address CVE-2021-29112, consider the following mitigations.
Immediate Steps to Take
Update Esri ArcReader to version 10.8.2 or later to eliminate this vulnerability. Ensure users do not open files from untrusted or unknown sources.
Long-Term Security Practices
Regularly update and patch all software to protect against known vulnerabilities. Educate users on safe file handling practices to prevent exploitation.
Patching and Updates
Stay informed about security updates for Esri ArcReader and apply patches promptly to mitigate the risk of exposure to vulnerabilities.