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Vulnerability DatabaseCVE-2020-11764

CVE-2020-11764: 
NixOS vulnerability analysis and mitigation

Overview

An out-of-bounds write vulnerability was discovered in OpenEXR before version 2.4.1, specifically in the copyIntoFrameBuffer function in ImfMisc.cpp. The vulnerability was assigned identifier CVE-2020-11764 and was disclosed in February 2020 (OpenEXR Release).

Technical details

The vulnerability is classified as an out-of-bounds write issue in the copyIntoFrameBuffer function located in ImfMisc.cpp. The CVSS v3.1 base score is 5.5 (Medium) with the following vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H. The vulnerability is categorized under CWE-787 (Out-of-bounds Write) (NVD).

Impact

If exploited, this vulnerability could lead to arbitrary code execution when processing malformed EXR image files. The vulnerability primarily affects the availability of the system, with no direct impact on confidentiality or integrity (Debian Security).

Mitigation and workarounds

The vulnerability was fixed in OpenEXR version 2.4.1. Users are advised to upgrade to this version or later. Multiple operating system vendors have released security updates to address this vulnerability, including Ubuntu, Debian, and Apple in their various products (Ubuntu Security, Debian Security).

Additional resources

Source: This report was generated using AI

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