CVE-2018-17955: opensuse yast2-multipath Insecure Temporary File
CVSS: 5.5v3.0MediumModified
AliasesSUSE-SU-2020:3231-1SUSE-SU-2021:0182-1openSUSE-SU-2024:11533-1
Published 15-03-2019Last modified 16-09-2024
Vulnerability summary
CVE-2018-17955 is a medium (CVSS 5.5) Insecure Temporary File vulnerability in opensuse yast2-multipath. EPSS estimates a 0.31% chance of exploitation in the next 30 days, higher than 22.2% of scored vulnerabilities.
CVSS score
5.5/10
010
Medium · v3.0 (NVD)EPSS score
0.31%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 15-03-2019PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
Description
In yast2-multipath before version 4.1.1 a static temporary filename allows local attackers to overwrite files on systems without symlink protection
CVSS metrics
3 scores · 2 sources · 2 versionsMedium 5.5Preferred score · NVD (NIST)
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:NSources2 sources · 2.2–5.5
- CVE.orgCNA2.2LowCVSS:3.0/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:NDiffers
Low 3.6Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:N/I:P/A:PSourcesSingle source
EPSS trend
Probability
0.31%
Chance of exploitation in the next 30 days
Percentile
22%
Versus all other CVEs
30-day change
0.00 pp
From 0.31% on 18-09-2026
18-09-202618-10-2026
EPSS score0.31%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-377Insecure Temporary FileCreating and using insecure temporary files can leave application and system data vulnerable to attack.
- CWE-59Improper Link Resolution Before File Access ('Link Following')The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.
Affected systems
Suse5 products
- yast2-multipath&distro=SUSE Linux Enterprise High Availability Extension 12 SP2< 3.1.9-12.3.45
- yast2-multipath&distro=SUSE Linux Enterprise High Availability Extension 12 SP3< 3.2.2-3.3.30
- yast2-multipath&distro=SUSE Linux Enterprise High Availability Extension 12 SP4< 3.2.2-3.3.30
- yast2-multipath&distro=SUSE Linux Enterprise High Availability Extension 12 SP5< 3.2.2-3.3.30
- yast2-multipath≥ unspecified, < 4.1.1
Opensuse2 products
- yast2-multipath< 4.1.1
- yast2-multipath&distro=openSUSE Tumbleweed< 4.4.1-1.2
2 vendors · 7 products
References
6 links- bugzilla.suse.com/show_bug.cgi?id=1117592X Refsource CONFIRM