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Vulnerability DatabaseCVE-2023-37836

CVE-2023-37836: 
NixOS vulnerability analysis and mitigation

Overview

CVE-2023-37836 was discovered in libjpeg commit db33a6e, containing a reachable assertion vulnerability in BitMapHook::BitMapHook at bitmaphook.cpp. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted file (NVD CVE, MITRE CVE).

Technical details

The vulnerability exists in the BitMapHook::BitMapHook function within bitmaphook.cpp. It involves a reachable assertion that can be triggered when processing crafted input files. The vulnerability has been assigned a CVSS v3.1 Base Score of 6.5 (Medium) with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H (NVD CVE).

Impact

When successfully exploited, this vulnerability can lead to a Denial of Service (DoS) condition, affecting the availability of systems using the vulnerable libjpeg versions. The impact is limited to service disruption, with no reported ability to execute code or compromise data confidentiality or integrity (NVD CVE).

Mitigation and workarounds

The vulnerability affects libjpeg versions up to (excluding) 1.66. Users should upgrade to version 1.66 or later to address this vulnerability. For systems that cannot be immediately updated, limiting the processing of untrusted image files is recommended (Debian Tracker).

Additional resources

Source: This report was generated using AI

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