CVE-2020-1457: Microsoft Windows hevcdecoder_store MKV File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
A remote code execution vulnerability exists in the way that Microsoft Windows Codecs Library handles objects in memory, aka 'Microsoft Windows Codecs Library Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2020-1425.
Other sources
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Microsoft Windows. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of MKV files. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated data structure. An attacker can leverage this vulnerability to execute code in the context of the current process.
Affected Software
Remediation
Event History
Frequently Asked Questions
What user action is required for exploitation?
Systems running affected Microsoft Windows installations are exposed when a user visits a malicious page or opens a malicious MKV file. Exploitation is local in the sense that it runs in the context of the current process, but the malicious content can be supplied remotely.
What does an attacker need to exploit this issue?
An attacker does not need privileges, but must persuade the target to process attacker-controlled MKV content through a malicious page or file. Successful exploitation can execute arbitrary code with the privileges of the current process.
What should be done to remediate the vulnerability?
Apply the available patch for the affected Microsoft Windows installation. The provided information does not identify a workaround or mitigation for systems that cannot yet be patched.