CVE-2018-21047
NixOS vulnerability analysis and mitigation

Overview

The vulnerability CVE-2018-21047 affects elfutils software package. It was discovered that elfutils incorrectly handled bounds checks in certain functions when processing malformed files (Ubuntu Security).

Technical details

The vulnerability is related to incorrect bounds checking functionality in elfutils when processing malformed files. If exploited, it could lead to a crash or resource consumption, resulting in a denial of service condition (Ubuntu Security).

Impact

If a user or automated system were tricked into processing a specially crafted file, elfutils could be made to crash or consume resources, resulting in a denial of service (Ubuntu Security).

Mitigation and workarounds

The vulnerability can be mitigated by updating elfutils to the following versions: Ubuntu 20.04: elfutils - 0.176-1.1ubuntu0.1, Ubuntu 18.04: elfutils - 0.170-0.4ubuntu0.1+esm1, Ubuntu 16.04: elfutils - 0.165-3ubuntu1.2+esm1. A standard system update will make all the necessary changes (Ubuntu Security).

Additional resources


SourceThis report was generated using AI

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