Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2020-0817
CVE-2020-0817:
vulnerability analysis and mitigation
Overview
A Race Condition Enabling Link Following vulnerability exists in the cron job shipped with texlive-filesystem affecting multiple SUSE Linux Enterprise and openSUSE Leap systems. The vulnerability was discovered in November 2019 and affects users in the mktex group (SUSE Bugzilla).
Technical details
The vulnerability is classified as a Time-of-check Time-of-use (TOCTOU) Race Condition (CWE-367). It received a CVSS v3.1 base score of 6.3 (Medium) with vector string CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H from NVD, while SUSE assigned it a score of 6.2 with vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H (NVD Database).
Impact
The vulnerability allows local users in the mktex group to delete arbitrary files on the system, potentially leading to system compromise or data loss (SUSE Bugzilla).
Mitigation and workarounds
Updates have been released for affected versions: SUSE Linux Enterprise Module for Desktop Applications 15-SP1 (texlive-filesystem versions prior to 2017.135-9.5.1), SUSE Linux Enterprise Software Development Kit 12-SP4/SP5 (versions prior to 2013.74-16.5.1), and openSUSE Leap 15.1 (versions prior to 2017.135-lp151.8.3.1) (NVD Database).
Additional resources
Source: This report was generated using AI
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