// For flags

CVE-2018-19637

Static temporary filename allows overwriting of files

Severity Score

5.5
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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

Supportutils, en versiones anteriores a la 3.1-5.7.1, escribía datos al archivo estático tmp/supp_log, lo que permitía a los atacantes locales sobrescribir archivos en sistemas sin protecciones symlink.

An update that solves 5 vulnerabilities and has 5 fixes is now available. This update for hostinfo, supportutils fixes the following issues. Security issues fixed for supportutils. Fixed an issue where users could kill arbitrary processes. Fixed an issue where users could overwrite arbitrary log files. Fixed a code execution if run with -v. Fixed an issue where static temporary filename could allow overwriting of files. Fixed a local root exploit via inclusion of attacker controlled shell script. Other issues fixed for supportutils. Issues fixed in hostinfo. This update was imported from the SUSE:SLE-12:Update update project.

*Credits: Vítězslav Čížek of SUSE
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None
Attack Vector
Local
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2018-11-28 CVE Reserved
  • 2019-03-05 CVE Published
  • 2024-09-16 CVE Updated
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-59: Improper Link Resolution Before File Access ('Link Following')
  • CWE-377: Insecure Temporary File
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Opensuse
Search vendor "Opensuse"
 Supportutils
Search vendor "Opensuse" for product "Supportutils"
 < 3.1-5.7.1
Search vendor "Opensuse" for product "Supportutils" and version " < 3.1-5.7.1"
-
Affected