Vulnerability in openSUSE Leap
CVE-2020-8017
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.
Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.002 (9.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 10th percentile — 9.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- openSUSE Leap — versions 15.1
- openSUSE Leap 15.1 — versions texlive-filesystem
- openSUSE Texlive-Filesystem
- SUSE Linux Enterprise Desktop — versions 15
- SUSE Linux Enterprise Software Development Kit — versions 12
- SUSE Linux Enterprise Module For Desktop Applications 15-Sp1 — versions texlive-filesystem
- SUSE Linux Enterprise Software Development Kit 12-Sp4 — versions texlive-filesystem
- SUSE Linux Enterprise Software Development Kit 12-Sp5 — versions texlive-filesystem
Weakness classification (CWE)
Public proof-of-concept exploits
References
- lists.opensuse.org/opensuse-security-announce/2020-06/msg00021.html (vendor-advisory, Mailing List, Third Party Advisory, Broken Link)
- bugzilla.suse.com/show_bug.cgi (Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-8017?
- CVE-2020-8017 is a medium-severity vulnerability in openSUSE Leap, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 6.2/10. Published 2020-04-02.
- How severe is CVE-2020-8017?
- Medium severity. CVSS v3 base score is 6.2 out of 10.
- Is CVE-2020-8017 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.