CVE-2018-19637: Static temporary filename allows overwriting of files

Severity: medium (CVSS 5.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-03-05 · updated 2026-06-17
Weakness: CWE-377

Description

Supportutils, before version 3.1-5.7.1, wrote data to static file /tmp/supp_log, allowing local attackers to overwrite files on systems without symlink protection

Affected products

SUSE supportutils: before 3.1-5.7.1 — fixed in 3.1-5.7.1

How to fix

Upgrade to a fixed version: SUSE supportutils 3.1-5.7.1. Check the vendor advisory for mitigations.

References

http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00018.html
https://bugzilla.suse.com/show_bug.cgi?id=1117776
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00018.html
https://bugzilla.suse.com/show_bug.cgi?id=1117776

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