CVE-2017-18925 json
opentmpfiles through 0.3.1 allows local users to take ownership of arbitrary files because d entries are mishandled and allow a symlink att…
published 2020-10-26 6 y ago modified 2026-06-17 4 mo ago also EUVD-2017-10014
- cvss
- 5.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 32%
- public exploits
- 0
- none known
Summary
opentmpfiles through 0.3.1 allows local users to take ownership of arbitrary files because d entries are mishandled and allow a symlink attack.
Exploit prediction
0.38% chance of exploitation in the next 30 days, higher than 32% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/OpenRC/opentmpfiles/issues/4 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 2.1 | AV:L/AC:L/Au:N/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-59 Improper Link Resolution Before File Access
References
-
github.com
/OpenRC/opentmpfiles/issues/4
exploit, issue-tracking, third-party-advisory
Sources
- CVE List CVE-2017-18925
- NVD CVE-2017-18925
Fencer Vulns 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.