CVE-2018-17955
Static tempfile name allows overwriting of arbitrary files
In yast2-multipath before version 4.1.1 a static temporary filename allows local attackers to overwrite files on systems without symlink protection
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- High
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Static tempfile name allows overwriting of arbitrary files
In yast2-multipath before version 4.1.1 a static temporary filename allows local attackers to overwrite files on systems without symlink protection
- Record
CVE-2018-17955- CVSS 3.0
- 2.2 Low
CVSS:3.0/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N - Weakness
- CWE-377
- Updated
- 2026-11-02
EUVDEUVD-2018-9696
In yast2-multipath before version 4.1.1 a static temporary filename allows local attackers to overwrite files on systems without symlink protection
- Record
EUVD-2018-9696- CVSS 3.0
- 2.2 Low
CVSS:3.0/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-pc25-pjvp-q59p
In yast2-multipath before version 4.1.1 a static temporary filename allows local attackers to...
In yast2-multipath before version 4.1.1 a static temporary filename allows local attackers to overwrite files on systems without symlink protection
- Record
GHSA-pc25-pjvp-q59p- CVSS 3.0
- 5.5 Medium
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-59
- Updated
- 2026-11-02
NVD
In yast2-multipath before version 4.1.1 a static temporary filename allows local attackers to overwrite files on systems without symlink protection
- Record
CVE-2018-17955- CVSS 3.0
- 2.2 Low
CVSS:3.0/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N - CVSS 3.0
- 5.5 Medium
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N - CVSS 2.0
- 3.6 Low
AV:L/AC:L/Au:N/C:N/I:P/A:P - Weakness
- CWE-377, CWE-59
- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:11533-1 No score
yast2-multipath-4.4.1-1.2 on GA media
These are all security issues fixed in the yast2-multipath-4.4.1-1.2 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:11533-1- Updated
- 2026-11-02
OSVSUSE-SU-2020:3231-1 No score
Security update for yast2-multipath
This update for yast2-multipath to version 3.2.2 fixes the following issues:
- CVE-2018-17955: Use random file name instead of static names (bsc#1117592).
- Record
SUSE-SU-2020:3231-1- Updated
- 2026-11-02
OSVSUSE-SU-2021:0182-1 No score
Security update for yast2-multipath
This update for yast2-multipath to version 3.1.9 fixes the following issues:
Security issue fixed:
- CVE-2018-17955: Use random file name instead of static names (bsc#1117592).
Non-security issue fixed:
- Removed calls to /sbin/insserv (bsc#1026027).
- Record
SUSE-SU-2021:0182-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
yast2-multipathSUSE:Linux Enterprise High Availability Extension 12 SP3 |
before 3.2.2-3.3.30 | 3.2.2-3.3.30 |
yast2-multipathSUSE:Linux Enterprise High Availability Extension 12 SP4 |
before 3.2.2-3.3.30 | 3.2.2-3.3.30 |
yast2-multipathSUSE:Linux Enterprise High Availability Extension 12 SP5 |
before 3.2.2-3.3.30 | 3.2.2-3.3.30 |
yast2-multipathSUSE:Linux Enterprise High Availability Extension 12 SP2 |
before 3.1.9-12.3.45 | 3.1.9-12.3.45 |
yast2-multipathopenSUSE:Tumbleweed |
before 4.4.1-1.2 | 4.4.1-1.2 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-17955 is a low vulnerability (CVSS 2.2) in Opensuse Yast2-multipath, published March 15, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.31%, the 23rd percentile. Fixed in yast2-multipath 3.2.2-3.3.30.
References
bugzilla.suse.com/show_bug.cgi?id=1117592
nvd.nist.gov/vuln/detail/CVE-2018-17955
github.com/advisories/GHSA-pc25-pjvp-q59p
suse.com/support/update/announcement/2020/suse-su-20203231-1