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Fencer Intel
low 2.8

CVE-2018-19637 json

Static temporary filename allows overwriting of files

published 7y ago modified 4mo ago also EUVD-2018-11322

cvss
2.8
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 39%
public exploits
0
none known

Summary

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

Patch / fix

  • SUSE supportutils 3.1-5.7.1
  • supportutils SLES for SAP 12 SP4, SLES for SAP 12 SP3, SLES for SAP 12 SP2 +10 more 3.0-95.21.1
  • hostinfo SLES for SAP 12 SP4, SLES for SAP 12 SP3, SLES for SAP 12 SP2 +8 more 1.0.1-19.5.1
  • supportutils SLE Module for Basesystem 15 3.1-5.7.1

suse advisories SUSE-SU-2019:1122-1SUSE-SU-2019:0480-1

  • supportutils openSUSE Tumbleweed 3.1.17-2.2

opensuse advisories openSUSE-SU-2024:11415-1

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Exploit prediction

0.46% chance of exploitation in the next 30 days, higher than 39% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.0 2.8 CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
NVD 3.0 5.5 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
NVD 2.0 3.6 AV:L/AC:L/Au:N/C:N/I:P/A:P

Affected products

  • SUSE supportutils

Classification

Weakness
  • CWE-377 DEPRECATED: Insecure Temporary File
  • CWE-59 Improper Link Resolution Before File Access

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.