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

What is CVE-2020-8017?

CVE-2020-8017 is a medium-severity vulnerability in Opensuse Leap, published on 2 Apr 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Weakness: CWE-367

Which versions are affected by CVE-2020-8017?

It affects 2 products.

Products include Opensuse Leap, Opensuse Texlive-Filesystem.

How do I fix CVE-2020-8017?

Apply the vendor's patch.

Is CVE-2020-8017 being exploited?

There is no known exploitation of CVE-2020-8017 in the wild and no public exploit code.

Other vulnerabilities in Opensuse Leap

• CVE-2015-4902 Oracle Java SE Integrity Check Exploited Medium 5.3
• CVE-2017-14804 package builds could use directory traversal to write outside of target area Critical 9.9
• CVE-2019-20787 Teeworlds before 0.7.4 has an integer overflow when computing a tilemap size. Critical 9.8
• CVE-2019-8341 Code injection in n/a Critical 9.8
• CVE-2019-6438 Other in n/a Critical 9.8

All Opensuse Leap vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-h5g4-pg5p-f88v.